Quick connect manifold for a fluid displacement assembly

Abstract

A fluid displacement assembly includes one or more pumps. The pump includes a fluid displacer that moves to pump fluid downstream from the fluid displacement assembly. A manifold routes fluid to and from the pump. The manifold includes a first manifold portion formed as part of a motor module and a second manifold portion formed as part of a displacement module that includes the pumps. The displacement module is mountable to and dismountable from the drive module, forming and breaking fluid connections between the first and second manifold portions.

Description

[0001] G0372-P15975US01-2743US1

[0002] QUICK CONNECT MANIFOLD FOR A FLUID DISPLACEMENT ASSEMBLY CROSS-REFERENCE TO RELATED APPICATION(S) This application claims priority to U.S. Provisional Application No.

[0003] 63 / 743,788 filed January 10, 2025 and entitled “QUICK CONNECT MANIFOLD FOR A FLUID DISPLACEMENT ASSEMBLY,” the disclosure of which is hereby incorporated by reference in its entirety.

[0004] BACKGROUND

[0005] The present disclosure concerns fluid displacement. More specifically, the present disclosure concerns manifolds for routing fluid for fluid displacement assemblies.

[0006] Fluid displacement assemblies include on or more pumps that are configured to pump fluid. The fluid displacement assembly can include a manifold that routes fluid to and / or from the pumps of the fluid displacement assembly. The manifold includes fluid passages and can require servicing. The one or more pumps of the fluid displacement assembly can also require servicing. Typically, servicing requires disconnecting various fluid lines from the fluid displacement assembly and requires disassembly of multiple components to access the components that are to be serviced.

[0007] SUMMARY

[0008] According to an aspect of the present disclosure, a fluid displacement assembly includes a motor module including a motor assembly and a port manifold; and a displacement module including a pump assembly having at least one pump and a transfer manifold. The displacement module is mountable to the motor module by shifting in a first direction along a common axis and the displacement module is dismountable from the motor module by shifting in a second direction along the common axis. Mounting the displacement module forms a dynamic driving connection between the motor module and the displacement module and forms a fluid connection between the port manifold and the transfer manifold.

[0009] According to an additional or alternative aspect of the present disclosure, a method of servicing a fluid displacement assembly includes breaking a static connection holding a displacement module having at least one pump on a motor module configured to power pumping by the at least one pump; and shifting the displacement module in a first axial direction along a common axis and away from the motor module thereby breaking adynamic driving connection between the motor module and the displacement module and breaking a plurality of fluid connections between a port manifold of the motor module and a transfer manifold of the displacement module.

[0010] According to another additional or alternative aspect of the disclosure, a fluid displacement assembly includes a motor module including a motor assembly having a drive shaft, and the motor module including a port manifold; a displacement module including a pump assembly having a drive, at least one pump, and a transfer manifold: an inlet port formed in the port manifold and an outlet port formed in the port manifold; a first flow passage extending between the inlet port and the pump assembly, the first flow passage formed in the port manifold and the transfer manifold; a second flow passage extending between the pump assembly and the outlet port, the second flow passage formed in the port manifold and the transfer manifold; an inlet valve disposed downstream of the inlet port on the first flow passage, the inlet valve actuatable between a first open state and a first closed state. The displacement module is mountable to the motor module by shifting in a first direction along a common axis and the displacement module is dismountable from the motor module by shifting in a second direction along the common axis.

[0011] BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is an isometric view of a fluid displacement assembly.

[0012] FIG. IB is a side elevational view of the fluid displacement assembly. FIG. 2A is a cross-sectional view taken along line 2-2 in FIG. 1A showing an inlet valve in an open state and a bypass valve in a closed state.

[0013] FIG. 2B is a cross-sectional view taken along line 2-2 in FIG. 1A showing an inlet valve in a closed state and a bypass valve in a closed state.

[0014] FIG. 2C is a cross-sectional view taken along line 2-2 in FIG. 1A showing an inlet valve in an open state and a bypass valve in an open state.

[0015] FIG. 3A is a partially exploded view of the fluid displacement assembly. FIG. 3B is a cross-sectional view taken along line B-B in FIG. 3A.

[0016] FIG. 4 is an enlarged view of detail 4 in FIG. 2A.

[0017] FIG. 5 is a block diagram showing a dispense system.

[0018] DETAILED DESCRIPTION

[0019] The present disclosure relates generally to manifolds for fluid displacers. The manifold is configured to form fluid connections for displacement of the material. The manifold can be configured for use in a fluid displacement assembly configured to pump fluid. The fluid displacement assembly can be configured to provide a metered output.According to aspects of the present disclosure, a fluid displacement assembly includes multiple fluid displacers that reciprocate out of phase with respect to each other to pump a fluid. The fluid displacement assembly includes multiple pumps that each include a fluid displacer that moves, such as by reciprocating linear motion, to pump the fluid. The fluid displacement assembly includes valving that checks the inflow and outflow to each of the multiple pumps of the fluid displacement assembly.

[0020] The fluid displacers of the multiple pumps of the multi-displacer pumping assembly can be driven out of phase with respect to each other. Driving the fluid displacers out of phase facilitates continuous outflow from the multi-displacer pumping assembly. According to aspects of the disclosure, the fluid displacers can be driven by drive, such as a wobble drive, a cam drive, or any suitable drivetrain that allows for phasing of the multiple fluid displacers.

[0021] In some examples, the fluid displacement assembly can be used for fluid metering, such as with liquid proportioning in the liquid finishing market. In some examples, the fluid displacement assembly may be driven in reverse with a motive fluid (e.g., compressed air or non-compressible hydraulic fluid) to serve as a motor (i.e., by outputting a rotational force).

[0022] Manifolds according to aspects of the disclosure provide for quick connect and disconnect for ease of assembly and disassembly. The manifold can include a first portion that remains fixed to a support. The first portion can be configured to connect to fluid lines that provide material to or receive material from the fluid displacement assembly. The manifold can include a second portion that is connected to the displacement assembly of the fluid displacement assembly. The displacement assembly includes the fluid displacers that move to displace the fluid through the fluid displacement assembly. The second portion of the manifold is connected to the displacement assembly to mount with and dismount with the displacement assembly. Fluid connections are formed between the first and second portions of the manifold during mounting of the displacement assembly to the motor that powers displacement of the fluid displacers. Fluid connections are broken between the first and second portions of the manifold during dismounting of the displacement assembly.

[0023] Manifolds according to aspects of the disclosure can include one or more valves that control fluid flow within and / or through the manifold. The manifold can include an inlet valve between an inlet port of the manifold and the displacement assembly. Theinlet valve can be closed to prevent additional material flow to the displacement assembly, such as during servicing.

[0024] Manifolds according to some aspects of the disclosure can include a bypass valve. The bypass valve can be disposed between the inlet port of the manifold and the outlet port of the manifold. The bypass valve can be opened to allow the material to flow directly between the inlet port and the outlet port, thereby bypassing the displacement assembly.

[0025] Manifolds according to some additional or alternative aspects of the disclosure are configured for concurrent formation of driving connections between the drive assembly and the displacement assembly and of fluid connections between the first and second portions of the manifold. In some examples, the driving and fluid connections can be configured such that the connections are simultaneously formed during mounting and simultaneously broken during dismounting.

[0026] The fluid connections between multiple portions of the manifold can be formed by connectors according to some additional or alternative aspects of the disclosure. The connectors extend between the multiple portions of the manifold and provide sealed interfaces with each portion to prevent fluid migration. The connectors can remain connected to one portion of the manifold during dismounting and can remain with that one portion of the manifold. The other portion of the manifold can move into engagement with the connectors during mounting and out of engagement with the connectors during dismounting. The connectors can define portions of the flowpaths within the manifold.

[0027] Connectors that form fluid connections between the multiple portions of the manifold can be configured such that a tolerance is provided between the connector and a portion of the manifold. The connector interfaces with the manifold such that a gap is disposed between the exterior of the connector and the interior of the bore receiving the connector. The gap allows for the connector to float relative to that portion of the manifold, providing for tolerance during mounting and dismounting.

[0028] Components can be considered to radially overlap when those components are disposed at common axial locations along an axis. A radial line extending from the axis will extend through each of the radially overlapping components. Components can be considered to axially overlap when those components are disposed at common radial and circumferential locations relative to an axis such that an axial line parallel to the axis extends through the axially overlapping components. Components can be considered tocircumferentially overlap when aligned about the axis, such that a circle centered on the axis passes through the circumferentially overlapping components.

[0029] FIG. 1A is an isometric view of fluid displacement assembly 10. FIG. IB is a side elevational view of fluid displacement assembly 10. FIGS. 1A and IB are discussed together. Fluid displacement assembly 10 includes motor module 12, displacement module 14, and manifold 16. Motor module 12 includes motor assembly 18, and mounting plate 20. Displacement module 14 includes pump assembly 22 of which assembly body 24 is shown. Port manifold 26, transfer manifold 28, assembly port 30, and assembly port 32 of manifold 16 are shown.

[0030] Fluid displacement assembly 10 is configured to output a fluid, which can also be referred to as a material, for dispensing, such as dispensing on a substrate. For example, fluid displacement assembly 10 can be configured to dispense higher viscosity fluids (e.g., sealant, adhesive, foam, gasketing material, among other options). In some examples, the fluid displacement assembly 10 can be configured to produce sufficient outlet fluid pressure to create fluid atomization at a nozzle outlet, thereby allowing the system to be used in airless spraying applications, such as disclosed in United States Patent No.

[0031] 9,914,141 (‘141 Patent) and United States Pre-Grant Publication 2017 / 0165692, the disclosures of which are herein incorporated by reference in their entireties. Fluid displacement assembly 10 can be configured to pump the same as the fluid displacement assembly disclosed in United States Patent Application No. 63 / 664,444, filed June 6, 2024, the disclosure of which is hereby incorporated by reference in its entirety. Fluid displacement assembly 10 can be configured to pump the same as the fluid displacement assembly disclosed in United States Patent Application No. 63 / 698,289, filed September 24, 2024, the disclosure of which is hereby incorporated by reference in its entirety.

[0032] Displacement module 14 includes pump assembly 22 that is configured to output the fluid at a target pressure. The pump assembly 22 includes one or more fluid displacers (e.g., pistons, plungers, etc., among other options) that reciprocate to pump fluid. The fluid displacers reciprocate within assembly body 24 to pump the fluid. Displacement module 14 is connected to motor module 12 to receive a driving input from motor module 12.

[0033] Displacement module 14 is statically and dynamically connected to motor module 12. The dynamic connection can provide a motive input to displacement module 14 to cause movement of the fluid displacers. The static connection can connect the displacement module 14 to the motor module 12 to mechanically fix the displacementmodule 14 to the motor module 12. For example, the displacement module 14 can be connected to mounting plate 20, such as by one or more fasteners (e.g., bolts), among other options. Displacement module 14 is fluidically connected to motor module 12. Displacement module 14 can receive fluid from motor module 12 and can output fluid to the motor module 12. The fluid connections can be formed in manifold 16, between port manifold 26 and transfer manifold 28.

[0034] According to various examples, the displacement module 14 can mount to and dismount from motor module 12. The static, dynamic, and fluid connections can be formed during mounting and broken during dismounting. Multiple of the connections can be formed and / or broken simultaneously, in various examples.

[0035] Motor assembly 18 is configured to generate a motive output and provide that motive output to displacement module 14. Motor assembly 18 is supported by mounting plate 20. Drive 38 is configured to generate the motive output. For example, drive 38 can be configured to generate a rotational output that is provided to pump assembly 22. Drive 38 can be configured as or include a motor (e.g., pneumatic, hydraulic, electric, etc.). Drive 38 can, in some examples, include a gearbox that receives the output from the motor and provides the rotational output to the pump assembly 22. The gearbox can include speed reduction gearing, among other options.

[0036] Mounting plate 20 is configured to support other components of fluid displacement assembly 10. Mounting plate 20 can be connected to a base and is configured to support the other components of fluid displacement assembly 10 relative to the base. For example, the base can be a static component. In other examples, the base can be movable such as in examples in which the base is formed as a portion of a robot, such as a robotic arm. For example, the robot, which can be referred to as a robotic applicator, can be a multi -axis robot.

[0037] Manifold 16 receives fluid into and outputs fluid from fluid displacement assembly 10. is configured to provide fluid connections to and from pump assembly 22. In the example shown, manifold 16 is formed from multiple manifold portions that form the body of the manifold 16 when assembled together. Manifold 16 includes assembly port 30 and assembly port 32, through which fluid can enter and exit from fluid displacement assembly 10. In some examples, assembly port 30 is configured as an inlet port, through which fluid is received into fluid displacement assembly 10, and assembly port 32 is configured as an outlet port, through which fluid is output from fluid displacement assembly 10.Assembly port 30 is configured to connect to a fluid line, such as a hose, to receive inflow of fluid to fluid displacement assembly 10. Assembly port 32 is configured to connect to a fluid line, such as a nozzle, hose, etc., to provide outflow of fluid from fluid displacement assembly 10. While manifold 16 is described as receiving inflow through assembly port 30 and providing outflow through assembly port 32, it is understood that not all examples are so limited. For example, manifold 16 can be configured such that inflow is received through assembly port 32 and outflow is provided through assembly port 30, such as in examples in which fluid displacement assembly 10 is configured as a motor to provide a rotational output.

[0038] Manifold 16 includes port manifold 26 and transfer manifold 28. Port manifold 26 and transfer manifold 28 are fluidly connected with pump assembly 22 to provide pathways for fluid flow to and from pump assembly 22. Port manifold 26 and transfer manifold 28 form the body of manifold 16.

[0039] Port manifold 26 is connected to mounting plate 20. Port manifold 26 is connected to motor assembly 18, via mounting plate 20, such that port manifold 26 remains connected to motor assembly 18 with fluid displacement assembly 10 disassembled. Port manifold 26 includes assembly port 30 and assembly port 32, such that fluid is received into manifold 16 at port manifold 26 and fluid is output from manifold 16 at port manifold 26.

[0040] Transfer manifold 28 is connected to pump assembly 22 such that transfer manifold 28 remains connected to pump assembly 22 with fluid displacement assembly 10 disassembled. In the example shown, the transfer manifold 28 is fixed to assembly body 24. For example, transfer manifold 28 can be fixed to assembly body 24 by a fastener, such as a threaded fastener (e.g., bolt).

[0041] Assembly port 30 and assembly port 32 are formed in port manifold 26. The port manifold 26 is configured to receive the inflow into manifold 16 and provide the outflow from manifold 16. The assembly port 30 and the assembly port 32 being formed in the port manifold 26 maintains the positions of the assembly port 30 and assembly port 32 relative to the mounting plate 20, and thus relative to any base to which the mounting plate 20 is connected, during assembly and disassembly of fluid displacement assembly 10.

[0042] Maintaining the relative positions of the assembly port 30 and / or assembly port 32 provides significant advantages. The assembly port 32 can support a nozzle and / or valve through which the fluid is emitted. The location at which material is actually emitted (e.g., the outlet orifice of the nozzle) is at a fixed location relative to the assembly port 32.That fixed position is known by any robotic applicator that operates and positions fluid displacement assembly 10. Having the assembly port 32 maintain the known position during assembly and disassembly of fluid displacement assembly 10 means that the applicator does not need to be reprogrammed or retrained for a new location of that orifice. Instead, the displacement module 14, including transfer manifold 28, can be removed and replaced without any reconfiguration of the robotic applicator.

[0043] FIG. 2A is a cross-sectional view taken along line 2-2 in FIG. 1A showing inlet valve 48 in a closed state and bypass valve 50 in a closed state. FIG. 2B is a cross-sectional view taken along line 2-2 in FIG. 1A showing inlet valve 48 in an open state and bypass valve 50 in a closed state. FIG. 2C is a cross-sectional view taken along line 2-2 in FIG. 1A showing inlet valve 48 in an open state and bypass valve in an open state. FIG.

[0044] 3 A is an isometric exploded view of fluid displacement assembly 10. FIG. 3B is a cross-sectional view taken along line B-B in FIG. 3B. FIGS. 2A-3B are discussed together.

[0045] Fluid displacement assembly 10 includes motor module 12, displacement module 14, and manifold 16. Motor assembly 18 includes motor assembly 18 and mounting plate 20. Assembly body 24, fluid displacer 34, fluid valve 36, and drive 38 of pump assembly 22 are shown. Body port 40a and body port 40b of assembly body 24 are shown. Port manifold 26, transfer manifold 28, assembly port 30, assembly port 32, flow connectors 42, flow passage 44a, flow passage 44b, bypass passage 46, inlet valve 48, and bypass valve 50 of manifold 16 are shown. Valve bore 52a, valve bore 52b, connector port 54a, and connector port 54b of port manifold 26 are shown. Connector port 54c, connector port 54d, connector port 54e, and connector port 54f of transfer manifold 28 are shown.

[0046] Mounting plate 20 supports other components of fluid displacement assembly 10. The other components of fluid displacement assembly 10 can be directly or indirectly connected to mounting plate 20. As discussed above, mounting plate 20 can be connected to a base that supports mounting plate 20, and thus other components of fluid displacement assembly 10.

[0047] Motor assembly 18 is supported by mounting plate 20. Motor assembly 18 is configured to provide a motive output to pump assembly 22 to cause displacement of fluid displacers 34. Drive shaft 56 of motor assembly 18 extends at least partially out of motor assembly 18 in the example shown. Drive shaft 56 is configured to connect to pump assembly 22 to provide the motive input to pump assembly 22.

[0048] Pump assembly 22 includes one or more pumps 33 and drive 38. Each pump 33 includes a fluid displacer 34 configured to reciprocate on a pump axis PA to displacefluid. Drive 38 is configured to receive the motive output from drive shaft 56 and cause displacement of fluid displacers 34. Drive 38 can be configured to receive a rotational output from drive 38. In the example shown, drive shaft 56 and drive 38 are configured to connect and disconnect by relative axial motion along the common axis CA, which common axis CA can be coaxial with the axis of rotation of the drive shaft 56. The common axis CA can be disposed parallel to the pump axis PA along which fluid displacer 34 reciprocates. The common axis CA can be coaxial with the axis of rotation of the shaft of fluid valve 36.

[0049] Drive 38 includes drive body 58 that is supported by at least one bearing. The drive body 58 includes receiver 60 that is configured to receive a portion of the drive shaft 56. While drive body 58 is described as including receiver 60, it is understood that not all examples are so limited. For example, drive shaft 56 can include the receiver such that a portion of drive body 58 extends into drive shaft 56 to form the dynamic driving interface between motor module 12 and displacement module 14.

[0050] Drive 38 and drive shaft 56 connect together at a dynamic interface. The dynamic interface transmits motive force from motor assembly 18 to pump assembly 22. In the example shown, the dynamic interface transmits rotational force from drive shaft 56 to drive 38. The drive 38 and drive shaft 56 are connected together at a keyed interface in the example shown. The keyed interface prevents relative rotation between drive 38 and drive shaft 56. The keyed interface rotationally fixes drive shaft 56 and drive 38 together for 1:1 rotation. The keyed interface is configured to be formed and broken by relative linear movement between drive 38 and drive shaft 56. In the example shown, the keyed interface is configured to be formed and broken by relative axial movement along the common axis CA.

[0051] It is understood that the keyed interface between drive shaft 56 and drive 38 can be of any type suitable for rotationally locking drive shaft 56 and drive 38. For example, the end of drive shaft 56 and the receiver 60 can have mating non-circular crosssections taken in a plane normal to the common axis CA. In additional or alternative examples, one or both of drive shaft 56 and receiver 60 can include a projection that extends into a recess (e.g., a slot) on the other one of the drive shaft 56 and receiver 60 to prevent relative rotation therebetween.

[0052] In the example shown, the dynamic driving interface between motor assembly 18 and pump assembly 22 is configured to be formed and broken by relative axial movement between motor assembly 18 and pump assembly 22. Pump assembly 22 isconfigured to shift in axial direction AD2 to dismount and break the dynamic driving interface. Pump assembly 22 is configured to shift in axial direction ADI to mount and form the dynamic driving interface.

[0053] In some examples, the drive 38 is configured to provide driving forces to the one or more fluid displacers 34 of the pump assembly 22. Pump assembly 22 can include multiple fluid displacers 34 that are configured to reciprocate out of phase with each other. It is understood, however, that various examples of pump assembly 22 can include a single fluid displacer 34. In some examples, the pump axis PA of such a single fluid displacer 34 can be disposed coaxially on common axis CA. In the example shown, the multiple fluid displacers 34 can be disposed in an array around the common axis CA. Each fluid displacer 34 is configured to reciprocate on its own pump axis PA, which can be parallel with and radially offset from the drive axis DA. The fluid displacers 34 reciprocate to displace the fluid through pump assembly 22.

[0054] In the example shown, drive 38 includes eccentric 62 and drive plate 64. Eccentric 62 and drive plate 64 can be considered to form a wobble drive that provides the linear input to fluid displacers 34. The rotation of drive shaft 56 is provided to drive body 58 to cause rotation of the drive body 58. Rotation of the drive body 58 causes rotation of eccentric 62, which in turn causes the drive plate 64 to wobble, thereby causing reciprocation of fluid displacer 34. In the example shown, eccentric 62 is formed as a portion of drive body 58, through it is understood that not all examples are so limited. Eccentric 62 and receiver 60 can be formed by monolithic structure in various examples.

[0055] Pump assembly 22 includes fluid valve 36 that is configured to regulate flow of fluid to and from the pump chambers 98 associated with the fluid displacers 34. Fluid valve 36 includes a rotating shaft in the example shown. Rotation of the shaft fluidly connects and disconnects the pump chambers 98 from the flow passage 44a and the flow passage 44b, regulating inflow to and outflow from the pump chambers 98. It is understood that the rotating shaft can itself check fluid flow to the pump chambers 98 or can actuate separate valving that checks fluid flow to the pump chambers 98. While pump assembly 22 is shown as including a rotational valve, it is understood that not all examples are so limited. It is further understood that while pump assembly 22 is shown as including active checking, not all examples are so limited. Various examples can include passive checking, such as pres sure- actuated valving.

[0056] Manifold 16 provides fluid connections for fluid displacement assembly 10. Manifold 16 is configured to route fluid to pump assembly 22 and to receive fluid frompump assembly 22. Manifold 16 receives fluid into fluid displacement assembly 10 and outputs fluid from fluid displacement assembly 10. Manifold 16 is configured a multi -part component that can be disassembled during disassembly of fluid displacement assembly 10 and can be assembled during assembly of fluid displacement assembly 10. Disassembly breaks fluid connections within manifold 16 and assembly forms fluid connections within manifold 16.

[0057] Flow passage 44a is formed in manifold 16. Flow passage 44a extends between assembly port 30 and pump assembly 22. Flow passage 44a provides a flowpath for fluid between assembly port 30 and pump assembly 22. Flow passage 44a extends within both port manifold 26 and transfer manifold 28 in the example shown. Flow passage 44b is formed in manifold 16. Flow passage 44b extends between pump assembly 22 and outlet manifold 16. Flow passage 44b provides a flowpath for fluid between and pump assembly 22 and assembly port 32. Flow passage 44b extends within both port manifold 26 and transfer manifold 28 in the example shown.

[0058] Port manifold 26 is connected to mounting plate 20 to be supported by mounting plate 20. Port manifold 26 can be fixed to mounting plate 20, such as by one or more fasteners (e.g., bolts) among other options. Port manifold 26 is mounted to mounting plate 20 such that port manifold 26 remains connected to mounting plate 20 during assembly and disassembly of fluid displacement assembly 10. Port manifold 26 forms a portion of drive module in the example shown.

[0059] Assembly port 30 and assembly port 32 are formed in port manifold 26. As such, both assembly port 30, through which fluid is received, and assembly port 32, through which fluid is emitted, are mounted to and supported by mounting plate 20 with fluid displacement assembly 10 both assembled (FIGS. 1A-2C) and disassembled (FIGS. 3A and 3B).

[0060] Inlet valve 48 is actuatable between an open state (FIGS. 2 A and 2C) and a closed state (FIG. 2B). Inlet valve 48 is disposed fluidically between assembly port 30 and the flowpaths within pump assembly 22. Inlet valve 48 is disposed downstream of assembly port 30 and upstream of connector port 54a. Inlet valve 48 controls fluid flow through a portion of flow passage 44a within port manifold 26. With inlet valve 48 in the open state, the flow passage 44a is open between assembly port 30 and pump assembly 22 allowing flow to pump assembly 22. With inlet valve 48 in the closed state, the flow passage 44a is blocked between assembly port 30 and pump assembly 22, preventing flow to pumpassembly 22. With inlet valve 48 in the closed state, the flow passage 44a is closed upstream of the connector port 54a.

[0061] Inlet valve 48 includes a movable valve seal that is configured to displace relative to a valve seat to open and close the inlet valve 48. In the example shown, inlet valve 48 is formed by inlet stem 90 and inlet seat 92 in the example shown. Inlet stem 90 is movable relative to inlet seat 92 to place inlet valve 48 in the respective open and closed states. In this example, inlet stem 90 forms the movable valve seal and inlet seat 92 forms the valve seat.

[0062] Inlet stem 90 is supported by manifold 16. Inlet stem 90 is at least partially disposed in valve bore 52a of port manifold 26 in this example. Inlet stem 90 is connected to port manifold 26 within valve bore 52a. In the example shown, the inlet stem 90 is connected to port manifold 26 by interfaced threading, between exterior threading on the inlet stem 90 and interior threading in valve bore 52a. Inlet stem 90 is rotatable to cause displacement of inlet stem 90 towards or away from inlet scat 92. Inlet scat 92 is disposed within manifold 16. In the example shown, the inlet seat 92 is formed by a body of the port manifold 26.

[0063] Bypass valve 50 is supported by manifold 16. Bypass valve 50 is actuatable between an open state (FIG. 2C) and a closed state (FIGS. 2A and 2B). Bypass valve 50 is disposed on a bypass passage 46 between assembly port 30 and assembly port 32. Fluid flowing through bypass passage 46 can flow between assembly port 30 and assembly port 32 without passing through pump assembly 22. With bypass valve 50 in the open state, the bypass passage 46 is open between assembly port 30 and assembly port 32 allowing flow directly between assembly port 30 and assembly port 32. With bypass valve 50 in the closed state, the bypass passage 46 is blocked between assembly port 30 and assembly port 32, preventing flow directly from assembly port 30 to assembly port 32. While manifold 16 is shown as including bypass valve 50, it is understood that not all examples are so limited. Some examples of manifold 16 do not include a bypass valve 50 or bypass passage 46.

[0064] Bypass valve 50 includes a movable valve seal that is configured to displace relative to a valve seat to open and close the bypass valve 50. In the example shown, bypass valve 50 is formed by bypass stem 94 and bypass seat 96. Bypass stem 94 is movable relative to bypass seat 96 to place bypass valve 50 in the respective open and closed states. In this example, bypass stem 94 forms the movable valve seal and bypass seat 96 forms the valve seat.Bypass stem 94 is supported by manifold 16. Bypass stem 94 is at least partially disposed in valve bore 52b of port manifold 26 in this example. Bypass stem 94 is connected to port manifold 26 within valve bore 52b. In the example shown, the bypass stem 94 is connected to port manifold 26 by interfaced threading, between exterior threading on the bypass stem 94 and interior threading in valve bore 52b. In the example shown, bypass stem 94 is rotatable to cause displacement of bypass stem 94 towards or away from bypass seat 96. Bypass seat 96 is disposed within manifold 16. In the example shown, the bypass seat 96 is formed by a body of the port manifold 26. In the example shown, bypass stem 94 supports a seal that interfaces with the body of port manifold 26 to seal the bypass passage 46.

[0065] Transfer manifold 28 is connected to pump assembly 22. Transfer manifold 28 can be considered to form a component of displacement module 14. Transfer manifold 28 is configured to mount with and dismount with pump assembly 22. The fluid connections between transfer manifold 28 and port manifold 26 arc broken during dismounting of pump assembly 22 and are formed during mounting of pump assembly 22.

[0066] Transfer manifold 28 is fixed to pump assembly 22 such that transfer manifold 28 remains connected to pump assembly 22 during assembly and disassembly of fluid displacement assembly 10. In the example shown, the body of transfer manifold 28 is fixed to assembly body 24. For example, transfer manifold 28 can be fixed to assembly body 24 by one or more fasteners (e.g., bolts).

[0067] Fluid connections are formed between transfer manifold 28 and assembly body 24. A flow connector 42 extends between and is at least partially disposed within both assembly body 24 and transfer manifold 28 to provide a fluid connection between flow passage 44a and a flowpath within assembly body 24. The flow connector 42 extends into transfer manifold 28 through connector port 54c. The flow connector 42 extends into the assembly body 24 through body port 40a. The flow connector 42 defines a flowpath for fluid to flow between manifold 16 and assembly body 24.

[0068] Another flow connector 42 extends between and is at least partially disposed within both assembly body 24 and transfer manifold 28 to provide a fluid connection between flow passage 44b and a flowpath within assembly body 24. The flow connector 42 extends into transfer manifold 28 through connector port 54d. The flow connector 42 extends into the assembly body 24 through body port 40b. The flow connector 42 defines a flowpath for fluid to flow between manifold 16 and assembly body 24.The fluid connections between assembly body 24 and transfer manifold 28 can be maintained throughout operation and during assembly and disassembly of fluid displacement assembly 10. Transfer manifold 28 can be fixed to pump assembly 22 such that the fluid connections between transfer manifold 28 and assembly body 24 are maintained with fluid displacement assembly 10 assembled and disassembled.

[0069] In some examples, transfer manifold 28 can be removably connected to pump assembly 22. In some examples, transfer manifold 28 is fixed to pump assembly 22 by a single static fixing interface. In the example shown, the fixing interface is formed by manifold fastener 66. Manifold fastener 66 extends into assembly body 24 through the body of transfer manifold 28 to fix transfer manifold 28 to pump assembly 22. Such a configuration avoids flowpaths through both the manifold 16 and pump assembly 22.

[0070] The static fixation is between the flow connectors 42 that interface with transfer manifold 28 and assembly body 24. In the example shown, manifold fastener 66 is disposed between the fluid connections between transfer manifold 28 and assembly body 24. Manifold fastener 66 can be disposed directly between the fluid connections between transfer manifold 28 and assembly body 24. The flow connectors 42 are offset from the manifold fastener 66. The flow connectors 42 interfacing with transfer manifold 28 and assembly body 24 prevents relative rotation between pump assembly 22 and transfer manifold 28 with fluid displacement assembly 10 in the disassembled state.

[0071] Connections between port manifold 26 and transfer manifold 28 are configured to be formed during mounting of motor assembly 18 and are configured to be broken during dismounting of motor assembly 18. Flow connectors 42 are disposed at the fluid interfaces between port manifold 26 and transfer manifold 28.

[0072] A flow connector 42 extends between and is at least partially disposed within both port manifold 26 and transfer manifold 28 to provide a first fluid connection therebetween. The flow connector 42 defines a portion of flow passage 44a. The flow connector 42 extends into port manifold 26 through connector port 54a. The flow connector 42 extends into transfer manifold 28 through connector port 54e. The flow connector 42 defines a flowpath for fluid to flow between port manifold 26 and transfer manifold 28.

[0073] Another flow connector 42 extends between and is at least partially disposed within both port manifold 26 and transfer manifold 28 to provide a second fluid connection therebetween. The flow connector 42 defines a portion of flow passage 44b. The flow connector 42 extends into port manifold 26 through connector port 54b. The flow connector 42 extends into transfer manifold 28 through connector port 54f. The flowconnector 42 defines a flowpath for fluid to flow between port manifold 26 and transfer manifold 28.

[0074] The flow connectors 42 that form the fluid connections between port manifold 26 and transfer manifold 28 are configured to come into engagement with and move out of engagement with one of port manifold 26 and transfer manifold 28 during assembly and disassembly of fluid displacement assembly 10. In some examples, the multiple flow connectors 42 forming fluid connections between port manifold 26 and transfer manifold 28 can remain connected to a single one of port manifold 26 and transfer manifold 28 with fluid displacement assembly 10 disassembled. It is understood, however, that not all examples are so limited. For example, one such flow connector 42 can remain connected to port manifold 26 and the other can remain connected to transfer manifold 28.

[0075] In the example shown, the flow connectors 42 forming the fluid connections between port manifold 26 and transfer manifold 28 are connected to port manifold 26 to remain mounted on port manifold 26 with transfer manifold 28 dismounted. The flow connectors 42 remaining mounted to port manifold 26 provides significant advantages. The same flow connectors 42 can remain mounted on port manifold 26 during removal and replacement of transfer manifold 28. Such a configuration reduces part count and cost as well as reduces assembly and disassembly time. The same flow connectors 42 can remain mounted on the port manifold 26. The user does not have to use different connectors on different transfer manifolds 28. The user does not need to remove flow connectors 42 from a dismounted transfer manifold 28 and move such flow connectors 42 to the replacement transfer manifold 28.

[0076] Motor module 12 and displacement module 14 are statically connected together to maintain the dynamic driving interface and the fluid connections. In the example shown, the displacement module 14 is statically connected to mounting plate 20 to secure displacement module 14 to motor module 12.

[0077] In the example shown, fasteners 68 statically connect the displacement module 14 and motor module 12 together. The fasteners 68 displace in axial direction AD2, opposite the mount direction of the displacement module 14, to connect the displacement module 14 and motor module 12 together. In the examples shown, the motor module 12 and displacement module 14 are connected together by an array of fasteners 68. The fasteners 68 are arrayed annularly about the common axis CA. The fasteners 68 can be evenly arrayed about the common axis CA. The fasteners 68 can be threaded to interface with corresponding mounting threading. In the example shown, the fasteners 68 extendthrough the mounting plate 20 and into the assembly body 24 to form the static connection between the motor module 12 and the displacement module 14.

[0078] For purposes of example, flow through fluid displacement assembly 10 is discussed in more detail. The discussed example assumes inflow through assembly port 30 and outflow through assembly port 32. The fluid provided to fluid displacement assembly 10 can be pressurized to a desired feed pressure. For example, the fluid can be fed to fluid displacement assembly 10 by an upstream feed pump. The feed pressure can be the greater than, less than, or equal to the output pressure provided by fluid displacement assembly 10.

[0079] The displacement module 14 is mounted to motor module 12. During mounting, the inlet valve 48 is in a closed state. In examples including both an inlet valve 48 and a bypass valve 50, both the inlet valve 48 and the bypass valve 50 can be in respective closed states. Drive 38 is axially aligned with drive shaft 56 and the porting in transfer manifold 28 is axially aligned with the porting in port manifold 26. In the example shown, the receiver 60 is axially aligned with the drive shaft 56. In the example shown, the connector ports 54a, 54e are aligned and the connector ports 54b, 54f are aligned.

[0080] Displacement module 14 is shifted in axial direction ADI into engagement with motor module 12. The dynamic driving interface is formed between drive 38 and pump assembly 22. In the example shown, the drive shaft 56 interfaces with the drive 38. In the example shown, an end of the drive shaft 56 enters into the receiver 60 of drive 38 to form the dynamic driving interface, though it is understood that not all examples are so limited.

[0081] The fluid connections between port manifold 26 and transfer manifold 28 are formed by the axial shifting of displacement module 14. In the example shown, the flow connectors 42 that are supported by port manifold 26 enter into the connector ports 54e, 54f of transfer manifold 28. The flow connectors 42 seal with transfer manifold 28 to form fluid-tight interfaces with transfer manifold 28.

[0082] The displacement module 14 and motor module 12 are fixed together to maintain the driving and fluid connection interfaces. Fasteners 68 extend through mounting plate 20 and into assembly body 24. The fasteners 68 statically connect the displacement module 14 to the motor module 12.

[0083] In the example shown, the motor assembly 18 and the displacement module 14 are not directly connected other than the dynamic interface between drive shaft 56 and drive 38. The motor assembly 18 can be directly connected to the mounting plate 20. Thedisplacement module 14 can be directly connected to the mounting plate 20. In the example shown, the pump assembly 22 is directly connected to the mounting plate 20. The independent mounting of the motor assembly 18 and pump assembly 22 to the mounting plate 20 provides tolerance for the driving interface connection between drive shaft 56 and drive 38. Such a configuration provides for easier mounting of displacement module 14 and assembly of fluid displacement assembly 10.

[0084] With the displacement module 14 statically connected to the motor module 12, the fluid displacement assembly 10 is ready to displace fluid. The manifold 16 can be placed in the displacement state shown in FIG. 2A, in which inlet valve 48 is open and bypass valve 50 is closed. Inlet stem 90 can be rotated to displace inlet stem 90 away from inlet seat 92. Opening the inlet valve 48 fluidly connects the flow through the assembly port 30 with pump assembly 22 through flow passage 44a.

[0085] Motor assembly 18 is activated (e.g., by powering the motor) to cause fluid displacement assembly 10 to output material. Activating motor assembly 18 causes rotation of drive shaft 56. The drive shaft 56 transmits a rotational output to drive 38. The drive 38 rotates, causing reciprocation of the fluid displacers 34, thereby displacing fluid through pump assembly 22. In the example shown, drive 38 rotates fluid valve 36 to check fluid flow into and out of the pump chambers 98 associated with the fluid displacers 34.

[0086] The fluid output by the pumping of pump assembly 22 flows through flow passage 44b and to assembly port 32. The fluid is output through assembly port 32. The fluid can be directly applied to a substrate from a nozzle connected to manifold 16 at the assembly port 32.

[0087] The fluid displacement assembly 10 can be placed in a bypass state in which the bypass valve 50 is opened to bypass fluid around the pump assembly 22. The bypass valve 50 can be actuated from the closed state to the open state. For example, the bypass stem 94 can be rotated to displace the bypass stem 94 away from bypass seat 96. The bypass stem 94 moves out of engagement with the bypass seat 96, thereby opening the bypass passage 46. The fluid can flow from the assembly port 30 to the assembly port 32 through the bypass passage 46 without passing through the pump assembly 22. Such a configuration allows for outputting the fluid at the feed pressure without metering by the pump assembly 22. Such a configuration allows for quick and easy depressurization of the system upstream of fluid displacement assembly 10, such as for maintenance and servicing.

[0088] The fluid displacement assembly 10 is in the bypass state with the bypass valve 50 open. Inlet valve 48 can be actuated to a closed state during bypass operations orcan remain in an open state. If inlet valve 48 remains in an open state, the fluid can pressurize flow passage 44a but will not be pumped by pump assembly 22 unless motor assembly 18 is activated.

[0089] Displacement module 14 can be dismounted for servicing or replacement. Fluid displacement assembly 10 is placed in the no flow state shown in FIG. 2B, in which both the inlet valve 48 and the bypass valve 50 are in their respective closed states, during mounting and dismounting of displacement module. Fasteners 68 are disconnected from displacement module 14, thereby breaking the static, structural interface holding the motor module 12 and displacement module 14 together.

[0090] With fasteners 68 removed, the displacement module 14 is not structurally connected to or supported by the motor module 12. The displacement module 14 is shifted in axial direction AD2, breaking both the dynamic driving connection between motor assembly 18 and drive 38 and the fluid connections between port manifold 26 and transfer manifold 28.

[0091] In the example shown, drive shaft 56 is withdrawn from receiver 60 of drive 38 and the flow connectors 42 forming the fluid connections between port manifold 26 and transfer manifold 28 are withdrawn from connector ports 54e, 54f of transfer manifold 28. The fluid displacement assembly 10 is placed in the disassembled state shown in FIGS. 3A, 3B, except with the inlet valve 48 in a closed state.

[0092] Displacement module 14 is thus disconnected from the motor module 12. Port manifold 26 can remain connected to the fluid lines at the assembly port 30 and assembly port 32. The fluid provided through assembly port 30 can remain at the desired feed pressure. The closed inlet valve 48 prevents the fluid from flowing downstream through flow passage 44a and the closed bypass valve 50 prevents the fluid from flowing downstream through bypass passage 46. The same or a different displacement module 14 can then be installed on motor module 12 to place fluid displacement assembly 10 back into an operating state.

[0093] Fluid displacement assembly 10 provides significant advantages. Displacement module 14 is mountable to and dismountable from motor module 12. Motor module 12, including the port manifold 26, remains in an operational position and connected to components to receive inflow and provide outflow with displacement module 14 dismounted. The user is not require to manipulate, remove, or reconnect any fluid handling lines from the port manifold 26. Any output component (e.g., nozzle) connected to assembly port 32 remains in a known position and orientation during mounting anddismounting of displacement module 14. An automatic applicator (e.g., robotic arm) that positions the fluid displacement assembly 10 does not need to be retrained or reprogrammed to account for a new position of assembly port 32 and any dispense component connected to assembly port 32. Instead, the assembly port 32 remains at a known position during mounting and dismounting of displacement module 14. Such a configuration provides for quick and easy removal, replacement, and operation of fluid displacement assembly 10. No fluid connections with port manifold 26 need to be broken (other than those with transfer manifold 28) during mounting and dismounting of displacement module 14.

[0094] Displacement module 14 can mount to and / or dismount from motor module 12 by a single linear displacement of the displacement module 14 relative to the motor module 12. Displacement module 14 can shift in mount direction MD1 to connect with motor module 12. Displacement module 14 can shift in mount direction MD2 to disconnect from motor module 12. In the example shown, displacement module 14 is configured to shift axially along common axis CA during mounting and dismounting. The displacement module 14 can shift in a single axial direction ADI to form both the dynamic driving connection that powers pumping by pump assembly 22 and the fluid connections between port manifold 26 and transfer manifold 28. The driving and fluid connections can be formed and broken simultaneously in various examples.

[0095] In the example shown, displacement module 14 is statically connected to mounting plate 20 to structurally support the displacement module 14. Motor assembly 18 is statically connected to mounting plate 20 to structurally support the motor assembly 18. The pump assembly 22 and motor assembly 18 are separately connected to mounting plate 20 and are not directly connected together. Such a configuration provides tolerance for forming the dynamic driving connection between motor module 12 and displacement module 14, providing for easier and quicker assembly and disassembly.

[0096] In the example shown, the port manifold 26 and the transfer manifold 28 are fluidly connected to provide fluid flow therebetween. The port manifold 26 and the transfer manifold 28 are not directly structurally connected together. Instead, the port manifold 26 is mounted to and supported by the mounting plate 20 while the transfer manifold 28 is mounted to and supported by the assembly body 24. The port manifold 26 and transfer manifold 28 not being directly structurally connected together provides for efficient mounting and dismounting of transfer manifold 28. Such a configuration provides tolerance that facilitates formation of the fluid connections between port manifold 26 andtransfer manifold 28. The flow connectors 42 are able to align with and enter into connector ports 54e, 54f of transfer manifold 28 and the tolerance facilitates concurrently forming the driving connection and fluid connections.

[0097] In the example shown, the flow connectors 42 that form the fluid connections between port manifold 26 and transfer manifold 28 remain mounted to port manifold 26 with transfer manifold 28 dismounted. Such a configuration reduces part count and provides for quick and easy removal and installation of transfer manifold 28. The flow connectors 42 remain mounted on the port manifold 26 such that the same or a replacement transfer manifold 28 can be installed without separate flow connectors 42. The same flow connectors 42 can be used regardless of the specific transfer manifold 28 fluidly connected to port manifold 26. The user is not required to have separate flow connectors 42 for each transfer manifold 28, reducing part count. The user is not required to uninstall the flow connectors 42 from a removed transfer manifold 28 and install such flow connectors 42 on a replacement transfer manifold 28. Instead, the flow connectors 42 remain with the port manifold 26 and are positioned to interface with and form fluid connections with any transfer manifold 28 that is installed.

[0098] In some examples, fluid displacement assembly 10 is configured such that a single tool can both form and break the static structural connections and can actuate the inlet valve 48 (and bypass valve 50 in examples including bypass valve 50) open and closed. For example, fasteners 68 can be configured to be engaged by and manipulated (e.g., rotated) with a first tool, such as a driver. The inlet stem 90 can be configured such that that first tool engages with and rotates the inlet stem 90 to actuate the inlet valve 48 open or closed. The bypass stem 94 can be configured such that that first tool engages with and rotates the bypass stem 94 to actuate the bypass valve 50 open or closed.

[0099] FIG. 4 is an enlarged view of detail 4 in FIG. 2A. Flow connector 42 is shown as forming a fluid connection between port manifold 26 and transfer manifold 28. While the flow connector 42 shown extends between and fluidly connects connector ports 54a, 54e, it is understood that the discussion applies equally to the flow connector 42 that extends between and fluidly connects connector ports 54b, 54f. Flow connector 42 extends along connector axis TA, which can be parallel to common axis CA in various examples.

[0100] Flow connector 42 includes connector body 70 defining connector passage 72. Connector body 70 includes flange 74, tube portion 76a, tube portion 76b. Flow connector 42 is at least partially disposed within both port manifold 26 and transfer manifold 28 with fluid displacement assembly 10 assembled together. Flow connector 42forms a fluid connection between the flowpath in port manifold 26 and the flowpath in transfer manifold 28. Flow connector 42 seals with both port manifold 26 and transfer manifold 28 to prevent leakage about the flow connector 42.

[0101] Connector body 70 is at least partially disposed within both port manifold 26 and transfer manifold 28. Connector passage 72 extends fully through connector body 70 through both tube portion 76a and tube portion 76b. Connector passage 72 can be considered to form a portion of a flow passage (e.g., flow passage 44a, 44b) within manifold 16.

[0102] Tube portion 76a is disposed within port manifold 26. Tube portion 76a extends from flange 74 and further into port manifold 26. One or more seals are disposed between tube portion 76a and port manifold 26 to provide a fluid seal therebetween. In the example shown, seal 78a is disposed in seal groove 80a on tube portion 76a. Seal 78a is configured to seal with port manifold 26 and flow connector 42. Seal 78a can be of any configuration suitable for forming the fluid seal, such as an elastomeric seal among other options. In some examples, seal 78a can be formed as an o-ring.

[0103] In the example shown, flow connector 42 further includes backup ring 82 that is disposed in seal groove 80a. Backup ring 82 can provide for additional sealing between flow connector 42 and port manifold 26.

[0104] Flange 74 projects outward relative to other portions of connector body 70. Flange 74 is at least partially disposed within retaining chamber 86 formed in port manifold 26. Retainer 84 is connected to port manifold 26 and axially overlaps with flange 74 relative to axis TA of flow connector 42. Retainer 84 at least partially defines the retaining chamber 86 that the flange 74 is disposed within. Retainer 84 can be connected to port manifold 26 in any desired manner, such as by interfaced threading among other options. Retainer 84 holds flow connector 42 on port manifold 26 by interfacing with flange 74. Retainer 84 holds the flow connector 42 on port manifold 26 such that the flow connector 42 remains mounted to port manifold 26 during assembly and disassembly of fluid displacement assembly 10.

[0105] Tube portion 76b is at least partially disposed outside of port manifold 26. Tube portion 76b is configured to extend into and seal with transfer manifold 28. Tube portion 76b can be exposed outside of port manifold 26 with displacement module 14 dismounted from motor module 12. One or more seals are disposed between tube portion 76b and transfer manifold 28 to provide a fluid seal therebetween. In the example shown, seal 78b is disposed in seal groove 80b on tube portion 76b. Seal 78b is configured to sealwith transfer manifold 28 and flow connector 42. Seal 78b can be of any configuration suitable for forming the fluid seal, such as an elastomeric seal among other options. In some examples, seal 78b can be formed as an o-ring.

[0106] Flow connector 42 is configured such that gap 88 is disposed between the exterior of connector body 70 and the port manifold 26. The gap 88 is disposed radially between the connector body 70 and the body of port manifold 26. The gap 88 can, in some examples, extend fully annularly about the flow connector 42. Seal 78a and backup ring 82 can bridge gap 88 to engage with both flow connector 42 and port manifold 26.

[0107] Gap 88 allows for flow connector 42 to float relative to port manifold 26, providing tolerance for mounting of transfer manifold 28 to form fluid connections between port manifold 26 and transfer manifold 28. Gap 88 allows the flow connector 42 to shift within connector port 54a to facilitate alignment of flow connector 42 with connector port 54e during mounting of transfer manifold 28. Such a configuration provides tolerance for the multiple connections between motor module 12 and displacement module 14 to be formed during mounting. The tolerance provides for easier and quicker mounting of displacement module 14.

[0108] Additionally or alternatively, flow connector 42 can be configured such that gap 89 is disposed between the exterior of connector body 70 and the port manifold 26. The gap 89 is disposed axially between the connector body 70 and the body of port manifold 26 and / or axially between connector body 70 and retainer 84. The gap 89 can, in some examples, extend fully annularly about the flow connector 42. Gap 89 is disposed axially between flange 74 and an axial wall of the retaining chamber 86.

[0109] Gap 89 allows for flow connector 42 to float relative to port manifold 26, providing tolerance for mounting of transfer manifold 28 to form fluid connections between port manifold 26 and transfer manifold 28. Gap 89 allows the flow connector 42 to shift within connector port 54a to facilitate alignment of flow connector 42 with connector port 54e during mounting of transfer manifold 28. Such a configuration provides tolerance for the multiple connections between motor module 12 and displacement module 14 to be formed during mounting. The tolerance provides for easier and quicker mounting of displacement module 14.

[0110] FIG. 5 is a block diagram of dispense system 1000. Dispense system 1000 includes a fluid displacement assembly 10 for metering flow of material to a dispenser 1020. Dispense system 1000 can be disposed along a manufacturing line. Dispense system 1000 is configured to output material at desired locations. For example, dispense system1000 can be configured to dispense structural adhesive to structurally join components together. In some examples, dispense system 1000 can be in an automotive manufacturing system.

[0111] Material, such as higher viscosity fluids (e.g., sealant, adhesive, foam, gasketing material, among other options), is stored in primary reservoirs 1002. Dispense system 1000 includes robotic applicator 1004 and material supply system 1006. In some examples, robotic applicator 1004 is configured as a multi-axis robotic arm. For example, robotic applicator 1004 can be configured as an articulated arm robot. Robotic applicator 1004 is configured to position the dispense nozzle 1008 during material output.

[0112] Material supply system 1006 is configured to provide material under pressure for output through the dispense nozzle 1008. Material supply system 1006 is configured to drive material from a primary reservoir 1002 to the dispense nozzle 1008.

[0113] Press 1012 is configured to pressurize the material within primary reservoir 1002. The material within primary reservoir 1002 is pressurized upstream of primary feed pump 1010 to facilitate priming of primary feed pump 1010 and maintaining such prime. In the example shown, the press 1012 includes platen 1014 that is configured to press down on the material within primary reservoir 1002. Platen 1014 can be formed as a plate, among other options. Primary reservoir 1002 can be formed as a drum that platen 1014 can move within. Platen 1014 can be configured to fluidly seal against the interior wall of the drum forming primary reservoir 1002.

[0114] Platen 1014 is connected press drive 1016. In the example shown, the platen 1014 is connected to press drive 1016 by press frame 1018, which can be formed by one or more of rods and plates, among other options. Press drive 1016 is configured to displace platen 1014 within primary reservoir 1002 to generate the pressure in the primary reservoir 1002. In the example shown, press 1012 is configured to shift along press axis PRA. The platen 1014 can be driven into primary reservoir 1002 along a press axis PRA to pressurize the material. The platen 1014 can be withdrawn from the primary reservoir 1002 along axis PRA to allow for removal and replacement of the primary reservoir 1002.

[0115] Press drive 1016 is configured to displace platen 1014 axially along press axis PRA. For example, press drive 1016 can be formed by one or more rams, which can be pneumatically driven among other options. In some examples, press 1012 is configured to provide a constant pressure within primary reservoir 1002. For example, the press drive 1016 can displace platen 1014 until a certain resistance is met, the resistance indicating that the pressure in the primary reservoir 1002 is at a desired supply pressure. The primaryreservoir 1002 can be pressurized up to a prime pressure. The prime pressure can, in some examples, be up to about 500psi (about 3.447 MPa), though it is understood that the prime pressure can be higher or lower. It is further understood that some examples of material supply system 1006 may not include a press 1012 that pressurizes the primary reservoir 1002.

[0116] Primary feed pump 1010 is configured to draw material from primary reservoir 1002 and drive the material downstream to dispenser 1020 under pressure. Primary feed pump 1010 can be of any desired configuration forpumping the material. For example, the primary feed pump 1010 can be configured as a piston pump, among other options. In some examples, primary feed pump 1010 is configured as a double displacement pump such that primary feed pump 1010 outputs material during both a first stroke in a first direction and a second stroke in an opposite second direction. In some examples, primary feed pump 1010 is configured as a single displacement pump such that primary feed pump 1010 outputs material during one stroke (c.g., downstroke) and not the other (e.g., upstroke).

[0117] Primary feed pump 1010 is fluidly connected to dispenser 1020 by hose assembly 1022. Hose assembly 1022 fluidly connects primary feed pump 1010 and dispenser 1020. Hose assembly 1022 can include one or more individual hoses, which can be heated hoses, among other options. For example, the heated portions of hose assembly 1022 can include one or more wires for resistive heating of the material flowing in the heated hose assembly 1022.

[0118] Dispenser 1020 is mounted on robotic applicator 1004. Dispenser 1020 is configured to receive the material from hose assembly 1022 and to output the material through dispense nozzle 1008.

[0119] Fluid displacement assembly 10 is configured to regulate the flow of the material to the dispense nozzle 1008, which can be mounted at assembly port 32, such that dispenser 1020 provides the material at a desired pressure, flowrate, dispense rate, etc.

[0120] Dispense valve 1024 is disposed downstream of fluid displacement assembly 10. Dispense valve 1024 can be supported by manifold 16. Dispense valve 1024 is actuatable between open and closed states. Opening of dispense valve 1024 allows for dispensing of material through dispense nozzle 1008 and closing of dispense valve 1024 prevents dispensing of material through dispense nozzle 1008. Dispense valve 1024 can be configured as a needle valve, among other options. Dispense valve 1024 can be actuatedin any desired manner, such as pneumatically, hydraulically, electrically (e.g., by a solenoid), among other options.

[0121] While the invention(s) has been described with reference to an exemplary embodiment(s), it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention(s) without departing from the essential scope thereof. Therefore, it is intended that the invention(s) not be limited to the particular embodiment(s) disclosed, but that the invention(s) may include all embodiments falling within the scope of the appended claims. Any single feature, or any combination of features from one embodiment show herein, may be utilized in a different embodiment independent from the other features shown in the embodiment herein. Accordingly, the scope of the invention(s) and any claims thereto are not limited to the particular to the embodiments and / or combinations of the features shown herein, but rather can include any combination of one, two, or more features shown herein.

Claims

CLAIMS:

1. A fluid displacement assembly comprising:a motor module including a motor assembly and a port manifold; and a displacement module including a pump assembly having at least one pump and a transfer manifold;wherein the displacement module is mountable to the motor module by shifting in a first direction along a common axis and the displacement module is dismount able from the motor module by shifting in a second direction along the common axis, and wherein mounting the displacement module forms a dynamic driving connection between the motor module and the displacement module and forms a fluid connection between the port manifold and the transfer manifold.

2. The fluid displacement assembly of claim 1, wherein the motor assembly includes a drive shaft, the displacement module includes a drive, and the drive shaft interfaces with the drive to form the dynamic driving connection.

3. The fluid displacement assembly of claim 2, wherein a portion of the drive shaft extends into the drive to form the dynamic driving connection.

4. The fluid displacement assembly of any one of claims 1-3, wherein the port manifold includes an inlet port and an outlet port, wherein fluid is received into the fluid displacement assembly through the inlet port and output from the fluid displacement assembly through the outlet port.

5. The fluid displacement assembly of claim 4, wherein a first feed passage extends between the inlet port and the pump assembly, the first feed passage formed in the port manifold and the transfer manifold.

6. The fluid displacement assembly of any one of claims 4 and 5, wherein a second feed passage extends between the pump assembly and the outlet port, the second feed passage formed in the port manifold and the transfer manifold.

7. The fluid displacement assembly of any one of claims 4-6, further comprising:an inlet valve disposed between the inlet port and the pump assembly, the inlet valve actuatable between a first open state and a first closed state.

8. The fluid displacement assembly of claim 7, wherein the inlet valve includes an inlet stem configured to shift relative to an inlet seat.

9. The fluid displacement assembly of claim 8, wherein rotation of the inlet stem causes the inlet stem to displace relative to the inlet seat to change a distance between the inlet stem and the inlet seat.

10. The fluid displacement assembly of claim 9, wherein the inlet stem includes exterior threading.

11. The fluid displacement assembly of any one of claims 7-10, wherein the inlet stem is connected to the port manifold.

12. The fluid displacement assembly of any one of claims 7-11, wherein the inlet valve is supported by the port manifold.

13. The fluid displacement assembly of any one of claims 4-12, further comprising:a bypass valve disposed between the inlet port and the outlet port, the bypass valve actuatable between a second open state and a second closed state.

14. The fluid displacement assembly of claim 13, wherein the bypass valve includes a bypass stem configured to shift relative to a bypass seat.

15. The fluid displacement assembly of claim 14, wherein rotation of the bypass stem causes the bypass stem to displace relative to the bypass seat to change a distance between the bypass stem and the bypass seat.

16. The fluid displacement assembly of claim 15, wherein the bypass stem includes exterior threading.

17. The fluid displacement assembly of any one of claims 13-16, wherein the bypass stem is connected to the port manifold.

18. The fluid displacement assembly of any one of claims 13-17, wherein the bypass valve is supported by the port manifold.

19. The fluid displacement assembly of any one of claims 1-18, further comprising:a first fluid connector extending between and interfacing with the port manifold and the transfer manifold, the first fluid connector fluidly connecting the port manifold and the transfer manifold; anda second fluid connector extending between and interfacing with the port manifold and the transfer manifold, the first fluid connector fluidly connecting the port manifold and the transfer manifold.

20. The fluid displacement assembly of claim 19, wherein the first fluid connector is retained on the port manifold during dismounting of the displacement module from the motor module.

21. The fluid displacement assembly of claim 20, wherein the first fluid connector includes a first tube portion at least partially disposed in the port manifold, a flange, and a second tube portion at least partially disposed outside of the port manifold.

22. The fluid displacement assembly of claim 21, wherein a first gap is formed between the first tube portion and the port manifold.

23. The fluid displacement assembly of claim 22, wherein the first gap extends fully annularly around the first tube portion.

24. The fluid displacement assembly of any one of claims 21-23, wherein a first seal groove is formed in the first tube portion, and a first seal is disposed in the first seal groove.

25. The fluid displacement assembly of claim 24, wherein a backup ring is disposed in the first seal groove.

26. The fluid displacement assembly of any one of claims 21-25, wherein the second tube portion is configured to extend into the transfer manifold.

27. The fluid displacement assembly of any one of claims 21-26, wherein a second seal groove is formed in the second tube portion, and a second seal is disposed in the second seal groove.

28. The fluid displacement assembly of any one of claims 21-27, wherein a second gap is formed between the flange and an axial end a retaining chamber within which the flange is at least partially disposed.

29. The fluid displacement assembly of claim 28, wherein the second gap extends fully annularly around the first fluid connector.

30. The fluid displacement assembly of any one of claims 1-29, wherein the port manifold and the transfer manifold are not directly structurally connected together.

31. The fluid displacement assembly of any one of claims 1-30, wherein:the motor module includes a mounting plate;the motor assembly is connected to and supported by the mounting plate; the port manifold is connected to and supported by the mounting plate; andthe displacement module is connected to and supported by the mounting plate with the displacement module mounted to the motor module.

32. The fluid displacement assembly of claim 31, wherein the displacement module is connected to the mounting plate by a plurality of fasteners.

33. The fluid displacement assembly of claim 32, wherein the plurality of fasteners are arrayed around the common axis.

34. The fluid displacement assembly of any one of claims 32-33, wherein the plurality of fasteners extend through the mounting plate and into an assembly housing of the pump assembly.

35. The fluid displacement assembly of any one of claims 31-34, wherein the motor assembly and the pump assembly are not directly connected together.

36. A method of servicing a fluid displacement assembly, the method comprising:breaking a static connection holding a displacement module having at least one pump on a motor module configured to power pumping by the at least one pump; andshifting the displacement module in a first axial direction along a common axis and away from the motor module thereby breaking a dynamic driving connection between the motor module and the displacement module and breaking a plurality of fluid connections between a port manifold of the motor module and a transfer manifold of the displacement module.

37. The method of claim 36, wherein breaking the static connection includes disconnecting a plurality of fasteners from the displacement module.

38. The method of any one of claims 36 and 37, further comprising:shifting the displacement module in a second axial direction along the common axis and towards the motor module thereby forming the dynamic driving connection between the motor module and the displacement module and forming the plurality of fluid connections between the port manifold and the transfer manifold.

39. The method of claim 38, wherein foiming the dynamic driving connection includes connecting a drive shaft of the motor module with a drive of the displacement module, the drive rotationally fixed to the drive shaft.

40. The method of any one of claims 38 and 39, further comprising:forming the static connection between the displacement module and the motor module to secure the displacement module to the motor module.

41. A fluid displacement assembly comprising:a motor module including a motor assembly having a drive shaft, and the motor module including a port manifold;a displacement module including a pump assembly having a drive, at least one pump, and a transfer manifold;an inlet port formed in the port manifold and an outlet port formed in the port manifold;a first flow passage extending between the inlet port and the pump assembly, the first flow passage formed in the port manifold and the transfer manifold;a second flow passage extending between the pump assembly and the outlet port, the second flow passage formed in the port manifold and the transfer manifold; andan inlet valve disposed downstream of the inlet port on the first flow passage, the inlet valve actuatable between a first open state and a first closed state;wherein the displacement module is mountable to the motor module by shifting in a first direction along a common axis and the displacement module is dismountable from the motor module by shifting in a second direction along the common axis.

42. The fluid displacement assembly of claim 41, wherein mounting the displacement module forms a dynamic driving connection between the motor module and the displacement module and forms a fluid connection between the port manifold and the transfer manifold.

43. The fluid displacement assembly of any one of claims 41 and 42, wherein the inlet valve is disposed upstream of a portion of the first flow passage formed in the transfer manifold.

44. The fluid displacement assembly of any one of claims 41-43, wherein the port manifold and transfer manifold are not directly structurally connected together.

45. The fluid displacement assembly of any one of claims 41-44, further comprising:a first fluid connector extending between the port manifold and transfer manifold to fluidly connect the port manifold and the transfer manifold, the first fluid connector at least partially defining the first flow passage.

46. The fluid displacement assembly of claim 45, further comprising:a second fluid connector extending between the port manifold and transfer manifold to fluidly connect the port manifold and the transfer manifold, the second connector at least partially defining the second flow passage.

47. The fluid displacement assembly of any one of claims 45 and 46, wherein the first fluid connector is connected to the port manifold to remain mounted to the port manifold with the displacement module dismounted.

48. The fluid displacement assembly of any one of claims 41-47, wherein the transfer manifold is fixed to an assembly housing of the pump assembly.

49. The fluid displacement assembly of any one of claims 41-48, further comprising:a bypass valve disposed between the inlet port and the outlet port, the bypass valve actuatable between a second open state and a second closed state.

50. The fluid displacement assembly of claim 49, wherein the bypass valve blocks a bypass passage when in the second closed state, the bypass passage configured to route fluid from the inlet port to the outlet port without the fluid passing through the pump assembly.

51. The fluid displacement assembly of claim 50, wherein the bypass passage is fully disposed in the port manifold.

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