231 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.

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 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 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

A diaphragm switch valve and a method for assembling same, the diaphragm switch valve includes a valve seat having two transverse fluid passages, and a valve body for disconnecting a the two fluid passages by a valve diaphragm and providing an axially collapsible elastic force to the valve diaphragm by an elastic driving structure. The first fluid passage is bent upwards in the valve seat to form a central fluid passage port toward a central axis of valve and toward a lifting diaphragm core corresponding to the valve diaphragm the second fluid passage forms, in the valve seat, a surrounding fluid passage port surrounding the central fluid passage port toward a diaphragm flexure of the valve diaphragm; the valve seat or the lifting diaphragm core has a annular knife-edge respective on the central fluid passage port and the surrounding fluid passage port.

The utility model relates to fluid pipeline joint technical field, concretely is a kind of fluid pipeline quick-release quick-assembly joint mechanism, solve the fluid pipeline joint more through thread, flange bolt and connect fixed, when installing or disassembling replacement, it is more cumbersome to operate, it is not conducive to maintenance, replacement problem.A kind of fluid pipeline quick-release quick-assembly joint mechanism, including two fluid pipeline butt joint end pipes, two the fluid pipeline butt joint end pipe position symmetry, and two fluid pipeline butt joint end pipe all include butt joint ring, the surface of two the butt joint ring mutually towards is all annular array fixed with multiple clamping pieces, the clamping piece is composed of two upper and lower symmetrical connecting pieces.The utility model is after releasing the restriction of limiting plug-in board to rotating ring, rotating ring is rotated, realizes the separation of fluid pipeline butt joint end pipe and connecting end pipe, shortens the disassembly time of joint mechanism, improves the assembly and maintenance, replacement efficiency of staff to the joint mechanism of fluid pipeline.

A vortex-type fluid mixer (11) is provided with: a volute chamber (25) defined by a cylindrical peripheral side wall (13), and a first end wall (15) and a second end wall (17) provided at both ends thereof and facing each other; an inlet flow path (19) that opens in the peripheral side wall (13); an outlet flow path (21) that opens in the first end wall (15); and a merging section (23) that is provided upstream of the inlet flow path (19) and merges the at least two fluid supply paths. The volute chamber (25) is configured such that when the fluid supplied from the at least two fluid supply paths and merged at the merging section (23) flows into the volute chamber (25) via the inlet flow path (19), a vortex is formed, and the fluid that forms the vortex in the volute chamber (25) and is mixed flows out from the outlet flow path (21).

1. The name of the design product: nozzle (multi-head double-fluid external mixing dry mist). 2. The use of the design product: nozzle for unmanned aerial vehicle. 3. The design points of the design product: in the overall shape design of the product. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the field of pipe joints with quick cut-off devices, in particular to a fluid joint and an automatic quick joint assembly. When the fluid connectors are connected with an adaptive connector in an inserted mode, the valve element pushing sleeve can be pushed backwards and drive the spherical valve element to move and roll over, steering of a valve element channel is achieved, conduction is achieved after the two fluid connectors are connected in place, and on the contrary, when the fluid connectors and the adaptive connector are pulled out and separated, the valve element pushing sleeve can be pushed backwards to drive the spherical valve element to move and roll over. When the two fluid connectors are connected, the valve element pushing sleeve is not pushed backwards any more, the elastic maintaining structure pushes the spherical valve element to reset forwards and roll over, steering of a valve element channel is achieved, and the valve elements in the two connectors can be closed when the two fluid connectors are disconnected, that is, opening and closing of the valve elements in the two fluid connectors are achieved while the two fluid connectors are connected and separated. Operation is simple, and use is convenient.

The present invention relates to a valve device (10) for a fluid flow, comprising a housing (20) with a fluid chamber (30) bounded by an inner surface (25) of the housing (20) and with at least two connections (21, 22, 23, 24) connected to the fluid chamber (30), a slide (50) arranged rotatably about an axis of rotation (X) in the fluid chamber (30), which divides the fluid chamber (30) into at least two fluid areas (B1, B2) and bears at least partially against the inner surface (25) to seal the fluid areas (B1, B2) from each other, and an actuation mechanism (80) arranged at least partially in the fluid chamber (30) for rotating the slide (50).

The invention relates to an adsorption module (1) for an adsorption heat pump (20). The adsorption module (1) comprises a working chamber (3) which is divided into a first subchamber and a second subchamber fluidically separated from the first subchamber (7a), wherein a working medium (A) is arranged in the working chamber (3). The adsorption module (1) further comprises a first fluid path (4a) through which a first temperature control fluid (F1) can flow, and a second fluid path (4b) through which a second temperature control fluid (F2) can flow, wherein the working chamber (3) is fluidically separated from the two fluid paths (4a, 4b). Furthermore, the adsorption module (1) comprises a fluid line system (8) by means of which the first subchamber (7a) fluidically communicates with the second subchamber (7b) and by means of which a media flow of working medium (M) can be generated between the two subchambers (7a, 7b).