291 results about "Two fluid" patented technology

A linear actuator system includes a linear actuator and an integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with two fluid drivers, each fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes the pump in a normal mode of operation in which the prime movers are independently driven and switches to a fail-safe mode of operation in which only one prime mover is operated.

Disclosed is a device for regulating the temperature of cylindrical components and a cooling system including at least two devices for regulating the temperature of cylindrical components. The device includes an elongate base profile that defines in its interior a plurality of at least two fluid flow channels arranged in series in the transverse direction and are separated by webs. The elongate base profile has main surfaces that each have an alternating sequence of concave regions and straight regions.

A cooling system for a modular power control system (MPCS) is provided. The MPCS comprises modules. Each module has a chassis with a first manifold segment for first common manifold and a second manifold segment for second common manifold. When the modules are mounts to each other, the first manifold segments align to form the first common manifold and the second manifold segments align to form the second common manifold, providing two fluid channels between endcaps. The chassis of at least two modules further have a first opening providing a fluid interface region between the first common manifold and a module specific flow path, and a second opening providing a fluid interface region between the module specific flow path and the second common manifold. The module specific flow path provides at least one fluid branch between the first common manifold and the second common manifold.

The invention relates to a device (10, 10') for guiding and / or heat transfer between at least two fluid flows (FS) 1,2,3 ), in particular a process fluid (FS3) and a heat exchange fluid (FS 1,2 ), with a heat exchanger body (12), wherein the heat exchanger body (12) has a gyroidal structure (14) with a main gyroid (16) and a secondary gyroid (18) for intersection in the form of a nested gyroid (14') forming at least one first and second channel system (20, 22), wherein the first and second channel systems (20, 22) each have a first opening (DW1), and forming an interspace system (24), wherein the interspace system (24) has a second opening (DW2), wherein the first and second channel systems (20, 22) are spatially separated from the intermediate space system (24), wherein the interspace system (24) has a supporting structure (26) which penetrates the interspace system (24).

The invention relates to the technical field of petroleum engineering, in particular to a device and method for testing migration of a proppant in a shale reservoir, and the device comprises a model system, an injection system, a vacuumizing system, a pressure field measurement system, a differential pressure measurement system, a back pressure system and a data acquisition and processing system. The model system comprises a model box, a test bin is arranged in the model box, and the test bin penetrates through the side wall of one side in the width extension direction of the model box; the pressing plate can completely cover the test bin and is detachably connected with the model box; the two fluid conveying assemblies are arranged at the two ends of the model box in the length extension direction respectively, the structures are in mirror symmetry, each fluid conveying assembly comprises a first connecting pipe, and the first connecting pipes are communicated with the testing bin. According to the device and the method, different-width fracture and netlike fracture forms of the shale reservoir can be simulated, and the migration rule of shale reservoir fracturing fluid carrying sand in the fractures can be analyzed.

The present invention provides a non-contact pad cleaning device capable of removing foreign matter from fine holes formed in a polishing surface of a polishing pad. A non-contact pad cleaning device is provided with: a rotary table (5) for rotating a polishing pad (2); a plurality of two-fluid nozzles (8) provided above the polishing pad (2); and a liquid supply line (61) and a gas supply line (65) connected to the plurality of two-fluid nozzles (8). The plurality of two-fluid nozzles (8) are arranged side by side in the radial direction of the polishing pad (2). When viewed from a direction perpendicular to the polishing surface (2a) of the polishing pad (2), the discharge ports (8a) of the plurality of two-fluid nozzles (8) are inclined with respect to a reference line (RL) extending in the radial direction of the polishing pad (2).

The utility model provides spray drying equipment and a battery production system.The spray drying equipment comprises a drying tower, a double-fluid nozzle, an ultrasonic generator and a drying device, a containing cavity is formed in the drying tower, the double-fluid nozzle is connected to the drying tower, and the double-fluid nozzle is used for atomizing fluid materials through compressed gas and spraying the fluid materials into the containing cavity; the ultrasonic generator is arranged at a nozzle opening of the double-fluid nozzle, and the drying device is used for introducing dry gas into the containing cavity so as to dry the fluid materials into powder. In the structure, the ultrasonic generator is arranged at the nozzle of the double-fluid nozzle for spraying the atomized fluid material into the accommodating cavity, so that the particle size of fog drops can be further reduced, the particle size of prepared powder is relatively small, and residual materials at the nozzle of the double-fluid nozzle can be removed, so that the double-fluid nozzle can spray smoothly; the process of preparing the powder is stable, and the quality of the prepared material is improved.

A valve for a refrigeration application, in particular a shut-off and / or regulating valve including a bonnet connected to a housing with two fluid openings, a spindle fully penetrating the bonnet and reaching inside the housing, and a piston with an upper guiding and sealing portion with a seal section, a bottom closing portion for opening and closing a fluid passage between the two fluid openings, and a piston tube between the upper guiding and sealing portion and the bottom closing portion. The outer diameter of the piston tube is smaller than the outer diameters of the upper guiding and sealing portion and the bottom closing portion. The spindle engages the piston for moving it between a closed position and an open position of the valve. Additionally, a pressure balancing chamber is disclosed above and within the piston, said pressure balancing chamber being connected to the fluid passage via a pressure balancing passage, wherein the piston is supported by the spindle and the bonnet during at least some or all open positions of the valve, and wherein the piston is sealed against the bonnet at the upper guiding and sealing portion.

A static mixing unit (100, 200, 300, 400) for mixing at least two fluids (F1, F2) comprises a premixing unit (VE) with a downstream main mixing unit (HE), wherein: a) The premixing unit (VE) comprises a premixing chamber (50, 50') which has several first inlets (51a, 51a') for supplying a first fluid (F1) and several second inlets (51b, 51b') for supplying a second fluid (F2) into a cavity (50.1, 50.1') of the premixing chamber (50, 50'), as well as a central outlet (52, 52') for discharge of the fluids (F1, F2) from the cavity (50.1, 50.1') of the premixing chamber (50, 50'); b) wherein the multiple first inlets (51a, 51a') and the multiple second inlets (51b, 51b') are arranged in a peripheral region (P) of the premixing chamber (50) around the outlet (52, 52'), wherein one or more first inlets (51a, 51a') and one or more second inlets (51b, 51b') alternately open into the cavity (50.1, 50.1') open, c) wherein the premixing chamber (50, 50') is designed such that the fluids (F1 , F2) can be directed to the outlet (52, 52') of the premixing chamber (50, 50') from several different directions lying in a common premixing plane (E), at least into an area of ​​the premixing chamber (50, 50') adjacent to the outlet (52, 52'); d) the outlet (52, 52') of the premixing chamber (50, 50') opens into an inlet (11, 21, 21') of the main mixing unit (HE), so that the fluids (F1 , F2) can be directed from the cavity (50.1, 50.1) through the outlet (52, 52').1') fluids discharged from the premixing chamber (50, 50') can be supplied to the main mixing unit (HE); e) the main mixing unit (HE) has at least one static mixer (10, 20, 20') with several flow-influencing elements (12, 22a, 22b) arranged in a hollow body (14, 24), wherein the static mixer (10, 20, 20') is designed such that a main flow direction (L) of the fluids (F1, F2) in the static mixer (10, 20, 20') from the inlet (11, 21, 21') of the main mixing unit (HE) to an outlet (13, 23) of the main mixing unit (HE) is substantially perpendicular to the premixing plane (E) of the premixing unit (VE).

The spray bottle assembly has a trigger sprayer assembly, dip tube combiner, trigger sprayer adapter, dilution wheel, bottle adapter, at least two dip tubes and a bottle configuration. The bottle configuration has at least two containers that engage with a bottle adapter. Bottle adapter has two openings that accept at least two dip tubes extending into at least two containers. On the upper flat portion of bottle adapter cuffs that engage with detents on a dilution wheel surround the openings that are fluidly connected to the at least two dip tubes. The detents on dilution wheel determine how much fluid passes through each opening, thus allowing different proportions of fluid from each container to pass through to the dip tube combiner housed within trigger sprayer adapter. Dip tube combiner combines the two fluids prior to being expelled by prior art trigger sprayer assembly.

A media directing element includes a housing defining a volume with at least two fluid openings disposed in the housing. Each fluid opening is connected to a fluid line, respectively, and the volume interacts with the fluid openings. At least a partial region of the outer side of the housing is surrounded by an outer shell. The shell and the outer shell jointly define a circulation volume, and at least two fluid interfaces arranged on the outer shell are communicated with the circulation volume.

The utility model relates to a double-channel fluid adjustable fixed flow ratio device which comprises two unpowered rotary displacement pumps, one of the two rotary displacement pumps takes first fluid as pushing power, and the other rotary displacement pump takes second fluid as pushing power. The output shafts of the two rotary displacement pumps are connected through a common speed change device, so that the two rotary displacement pumps operate at a determined rotation speed ratio, and the two fluids are conveyed at a determined flow ratio; the rotary positive displacement pump is provided with two sets of rotating parts, each set of rotating part comprises a waist wheel, a waist wheel shaft and a synchronous gear, and the waist wheel shaft and the synchronous gear are coaxially arranged. The two mutually connected rotary positive displacement pumps run at a set rotating speed ratio and fixed inlet and outlet pressure, so that the constant flow ratio of two fluids is ensured, additional power input is not needed, pure mechanical matching is adopted in the whole process, a complex automatic control system is not needed, the operation process is simplified, and the cost is reduced.

The application provides a cleaning spray gun, comprising a body, a spray head arranged at the upper end of the body, first and second spray holes arranged on the spray head, first and second fluid channels arranged in the body, one end of the first and second fluid channels being connected with the first and second spray holes respectively, and the other end of the first and second fluid channels being used for receiving water or steam input; and a cleaning device using the cleaning spray gun. The cleaning spray gun has two fluid channels, and the cleaning device can output two different fluids, so that the user can use water or steam to clean kitchen and bathroom appliances and facilities.

An energy recovery wheel includes a wheel that rotates on a rotational axis and a drive configured to power rotation of the wheel. The wheel is configured to rotate through at least two different fluid flows and is configured to provide energy transfer (thermal and / or moisture) between the fluid flows. An integrated drive cause rotation of the wheel through the two fluid flows. The integrated drive is supported on a stationary shaft and causes rotation of the wheel about the shaft.

To provide a two-fluid discharge device, a substrate processing device and a two-fluid nozzle control method in which dropping of droplet from a two-fluid nozzle is suppressed.SOLUTION: A two-fluid discharge device includes: a two-fluid nozzle which can discharge a mixed liquid where liquid and gas are mixed; a gas supply part 11a for supplying the gas to the two-fluid nozzle; a liquid supply part for supplying liquid to the two-fluid nozzle; and a control part 90 for stopping supply of the liquid and then stopping supply of the gas, when controlling the gas supply part 11a and the liquid supply part, and stopping discharge of the mixed liquid from the two-fluid nozzle.SELECTED DRAWING: Figure 12

Fluid coupling devices can be used in fluid handling systems. Some fluid couplings include multiple rigid components, two fluid seal members, and a seal spacer that is mechanically captured and / or clamped between rigid components of the fluid coupling. Such seal spacers can be used to separate the two fluid seal members and to position the fluid seal members in desired operational positions.

The invention relates to a switching valve (100) for switching at least two fluid channels (202, 204), comprising at least a valve housing (110) in which a piston (120) is movably arranged to control a fluid flow between at least two valve openings (102, 104) in an axial direction (112), which are fluidically connected to the fluid channels (202, 204), a first return spring (114) by means of which the piston (120) experiences a return force in the axial direction (112) during intended operation, and a switching unit (10) which is configured to bring and hold the piston (120) against the return force from at least one first switching position (1) to at least one second switching position (2), and to return it from the at least one second switching position (2) to the at least one first switching position (1).The piston (120) is held in at least one first switching position (1) and at least one second switching position (2) without any energy input. Furthermore, the invention relates to a switching unit (10) for a switching valve (100).

The disclosure relates to a piston accumulator having an accumulator housing in which a separating piston is longitudinally movably guided which separates two fluid chambers, in particular separates a fluid chamber having a working gas from a further fluid chamber having an operating fluid, such as hydraulic oil, and which separating piston has a damping device, wherein, in addition to the damping device, an inflow device is provided which interacts with the damping device for damping a fluid flow out of the accumulator housing by forming a throttle along a fluid path and which releases a further fluid path by bypassing the other fluid path that has the throttle in order for fluid to flow into the accumulator housing.

A mouthpiece (10) for distribution of a liquid in a user's mouth, the mouthpiece (10) being configured to be positioned within a superior vestibule of the user's mouth apical to a gingival margin, the mouthpiece (10) comprising: an inlet (12) configured to receive a fluid supply, at least two fluid outlets (22), and an internal channel (14) fluidly connecting the inlet (12) to the fluid outlets (22); and a flange portion (16) at least partially surrounding the channel (14) for adhering to a user's gum; wherein a thickness of the channel (14) is greater than a thickness of the flange portion (16).

A heat exchanger includes a laminated structure of alternately stacked first and second plates forming separate flow paths for two fluids. The stack is enclosed in a bottomed tubular case with an open end sealed by a base plate. The case features sidewall-mounted inlet and outlet ports for a first fluid. Each plate has a protruding outer flange taper-fitted to adjacent plates.

The invention relates to a valve, in particular a seat valve, comprising: a valve housing (10) which has two fluid ports (1, 2) for conducting fluid; an actuating device (12) for actuating a valve piston (14) which is longitudinally displaceably guided in the valve housing (10); a first fluid port (1) which opens axially in the direction of a free end face of the valve piston (14); a second fluid port (2) which opens radially in the direction of a circumferential wall (13) of the valve piston (14); and a check valve function which is integrated into the valve, wherein an extension (54) is provided at the free end face of the valve piston (14) in order to realise a diaphragm function, which extension, in a position which prevents the fluidic connection (56) between the fluid ports (1, 2), engages into the valve housing (10) with the axial fluid port (1), wherein, when fully engaged, a closed seat valve (58) is formed between parts of the valve housing (10) and the valve piston (14), wherein, when the fluidic connection (56) is released, the fluid flow between the two fluid ports (1, 2) is throttled, and wherein, at least when the valve seat (58) is closed, the check valve function is realised in which a fluidic connection (56) from the axial (1) to the radial fluid port (2) is enabled.

The invention relates to a cartridge ball valve (1) with an L-shaped flow path for operation with a refrigerant, comprising an actuator (3); a drive shaft (8) rotatable about a pivot axis (7); a valve ball (10) connected to the drive shaft (8); a valve housing (4) with a cavity (15) for receiving the valve ball (10) and two fluid connections connected to the cavity (15), wherein one of the fluid connections is formed in the form of a first side wall opening (18) in a side wall (19) of the valve housing (4) and a second refrigerant connection is formed in the form of a bottom wall opening (20) in a bottom wall (12) of the valve housing (4); a distributor (2) with flow lines (21, 22) which has a distributor pocket (6) into which the valve housing (4) is inserted, wherein the flow lines (21, 22) are aligned with the fluid connections of the valve housing (4);and internal sealing elements placed within the valve housing (4) for exerting pressure on the valve ball surface; wherein a flow channel (11) with a bottom opening (13) directed towards the bottom wall opening (20) of the valve housing (4) and with a side opening (14) extends through the valve ball (10), and wherein a pressure equalization opening (23) is placed as a further housing opening on the side of the valve housing (4) opposite the first side wall opening (18), and wherein the first side wall opening (18) and the pressure equalization opening (23) are in fluid communication with each other via a pressure equalization channel (24).

An HVACR system includes: a first compressor and a second compressor arranged in parallel and fluidly connected, a condenser, an expansion device, an evaporator, and a lubricant separator. The first compressor includes a first lubricant reservoir and a first suction port. The second compressor includes a second lubricant reservoir and a second suction port. The lubricant separator is disposed between the evaporator and the first and second compressors and includes a fluid inlet and two fluid outlets. A first fluid outlet of the two fluid outlets is fluidly connected to at least one of the first lubricant reservoir and the second lubricant reservoir. A second fluid outlet of the two fluid outlets is fluidly connected to the first suction port and the second suction port. The second fluid outlet includes a nozzle that is disposed within a flow passage of the lubricant separator such that a gap is maintained between an outer surface of the nozzle and an inner surface of the flow passage.

The invention relates to a flow device (3) having a flow converging section (15) for converging two fluid flows (11.1, 11.2), the flow converging section (15) having a first inflow region (17.1) for a first fluid flow (11.1) and a second inflow region (17.2) for a second fluid flow (11.2) and an outflow region (19) for a total fluid flow (13) formed by converging the fluid flows (11.1, 11.2), the inflow region (17.1, 17.2) is connected to the outflow region (19) in a flow manner by means of introduction sections (31.1, 31.2) which each lead into a common outflow region (19), the introduction cross-section of the introduction sections (31.1, 31.2) being constricted along a respective flow line from the inflow region (17.1, 17.2) to the outflow region (19) in a constriction direction (V), and wherein the inlet cross-section of the introduction sections (31.1, 31.2) is constricted in a constriction direction (V), the inlet cross-section of the introduction sections (31.1, 31.2) being constricted along a respective flow line from the inflow region (17.1, 17.2) to the outflow region (19). The inlet sections (31.1, 31.2) are arranged adjacent to one another in the outflow region (19) in the contraction direction (V) and are separated from one another in a separating section (46) of the outflow region (19) facing the inflow region (17.1, 17.2) by a separating wall (47) oriented transversely to the contraction direction (V), according to the invention, the partition wall (47) terminates in the flow direction before an outflow end (51) of the outflow region (19), such that the introduction sections (31.1, 31.2) converge in a converging section (49) of the outflow region (19) facing away from the inflow region (17.1, 17.2).

The differential pressure sensing apparatus has a housing enclosing three chambers and a piston which slides within the housing chambers where two fluids cause movement of the piston corresponding to a differential pressure between the locations. The piston includes a first cylindrical section 202 coupled between two second cylindrical sections of lesser diameter 204, and having first and second annular surfaces 512A&B joining the first and the two second sections. A third annular surface 510 at the opposite end of one of the second cylindrical sections has a surface area equal to that of the first and second annular surfaces. The housing had first and second chambers (302, 306 in figure 3) to apply first and second fluid pressures to the first and second annular surfaces and a third chamber (310 in figure 3) in which the third annular surface applies pressure to a fluid based on the difference between the first and second fluid pressures. A method of operating the apparatus is also disclosed.

The utility model relates to the field of valves, and discloses a valve convenient to produce and process, which structurally comprises a valve body, the valve body comprises a valve core port and two fluid ports, a partition wall is arranged in an inner cavity between the fluid ports and is provided with an opening area, a lining is fixedly mounted in the valve body, and the lining is fixedly connected with the fluid ports in a nested manner. The lining is arranged in the valve body and comprises a sleeve part and a partition part, the partition wall is formed by the partition part, the partition part is provided with a plane, a water passing opening is formed in the plane, the opening area is formed by the water passing opening, and the axis of the water passing opening points to the valve element opening. The separating wall of the valve body is formed through the separating part of the lining to separate water flow on the two sides, the opening area of the valve body is formed through the water passing opening of the separating part to abut against the valve element, the valve body can be cast through a simple die or formed through simple punching and forging, and an internal complex flow channel structure does not need to be dealt with.

The present invention provides a damping mechanism and fitness equipment. The damping mechanism includes two fluid-driven structures, a flow control valve, and a first connecting member and a second connecting member that are movable relative to each other. One end of the two fluid-driven structures is connected via the flow control valve. The first connecting member is fixedly connected to the flow control valve, and the second connecting member is fixedly connected to the fixed ends of the two fluid-driven structures. In the damping mechanism and fitness equipment provided by the present invention, when the first connecting member and the second connecting member move relative to each other, one of the fluid-driven structures is compressed and the other fluid-driven structure is stretched. The damping between the first and second connecting members can be adjusted via the flow control valve. The damping mechanism has a long service life and does not produce irreversible structural deformation like a spring.

The invention relates to a pitch change mechanism (70) comprising a frame (72), a control actuator (74) and a locking device (160). The control actuator (74) includes a cylinder (104) and a piston (106), one of which is fixed and the other being translatable relative to the frame (72). The cylindrical body (104) defines an interior cavity (110), and the piston (106) divides the interior cavity (110) into two fluid chambers (112, 114), each containing a control fluid for controlling movement of the cylindrical body (104) and the piston (106) relative to each other. The pitch locking device (160) is external to the fluid chambers (112, 114).

To efficiently bring two fluids having different specific gravities into contact.SOLUTION: The fluid contact apparatus comprises: a contact tube having an inlet through which liquid is introduced and an outlet which is located below the inlet and through which the liquid is discharged; and a supply mechanism that supplies a contact fluid having a lower specific gravity than the liquid into the interior of the contact tube from a position below an upper liquid level, which is the upper limit of the liquid level in the contact tube.SELECTED DRAWING: Figure 1

Fluid arrangement (10) for the fluidic actuation of several motor vehicle components (L1, L2, L3, L4), wherein this fluid arrangement (10) has several fluid flow sources (S1, S2, S3), of which at least two fluid flow sources (S1, S2, S3) each comprise a fluid pump (12, 14, 84) with a first delivery direction and with a second delivery direction opposite to the first delivery direction, wherein the fluid flow sources (S1, S2, S3) are fluidically interconnected in the fluid arrangement such that at least one of the fluid flow sources (S1, S2) is used to actuate two of the motor vehicle components (L1, L3; L2, L3; L1, L4;L2, L4) and at least one of the fluid flow sources (S1, S2) is suitable for actuating a motor vehicle component (L3, L4) which can also be actuated by another of the fluid flow sources (S2, S1), with at least three fluid flow sources (S1, S2, S3), characterized in that at least two of the fluid pumps (12, 14, 84) are each assigned an AND valve (32, 34, 86) which is connected fluidically in parallel to the respective fluid pump (12, 14, 84).