Class / Patent application number | Description | Number of patent applications / Date published |
137625460 | Rotary valve unit | 77 |
20080295908 | Syngas Flow Diverter - A passively cooled valve assembly selectively diverts a fluid stream from an inlet port selectively through at least one outlet conduit. The valve assembly comprises a housing defining the primary chamber. The housing also comprises at least one inlet port and at least two outlet conduits and associated outlet ports. A rotatable plate with at least one aperture formed therein is located within the primary chamber and is urged against an interior surface of the housing by a spring assembly. The rotatable plate is rotated by a shaft that extends axially through the primary chamber, in order to align the at least one aperture with at least one of the outlet conduits to allow selective fluid flow from an inlet port to an outlet conduit. | 12-04-2008 |
20090032129 | AUTOMATIC FOUR-PORT SELECTOR VALVE - Provided is an automatic four-port selector valve which is capable of controlling a variation in static pressure and a variation in flow rate induced in the switching of air or gas flow passages so that they are within tolerant accuracies, which is further capable of controlling a saliently appearing variation in pressure difference in a clean temperature-controlled/humidity-controlled air supply apparatus, a dry air supply apparatus, etc., so that it is within tolerant accuracy and which is also improved in airtightness and heat-insulating performance, and the present automatic selector valves includes a box body having a space portion inside it, framed partition plates for separating said space portion into four small rooms, the framed partition plates having an opening portion each, plate-shaped turnable valve bodies for opening or closing the opening portions of said framed partition plates, an inflow port for letting a gas flow in through it in any instance, an inflow/outflow port ( | 02-05-2009 |
20090050221 | Multiport Vertical Axial Valve with Sealing Rotor - This invention discloses an axial multiport rotary valve capable of accomplishing the simultaneous interconnection of a plurality of conduits in accordance with a previously determined cycle, where any conduit communicates with no more than one other conduit at any one cycle step, or valve index position. The rotary valve comprises a hollow stator element and a rotor element inside the hollow interior of the stator element which rotates with a substantially vertical axis of rotation within the stator element, the surfaces of both elements being in the form essentially of a frustum of an inverted cone. Bed-line ports in the stator and rotor have a non-circular shape with a greater dimension in the vertical plane for higher capacities than provided in the known art. | 02-26-2009 |
20090071559 | WATER DIVERTER - The present invention provides an improved structure of a water diverter, which includes a housing, a brake axle, a drive seat, a rotary valve, a fixed valve, a base and water inlet/water outlet. The water inlet is placed centrally onto the fixed valve and base, so that one end of the through-flow slot of rotary valve is normally linked to the water inlet. The other end is adapted to different water outlets depending upon the rotation angle of the rotary valve. The water inlet and outlet of the water diverter are incorporated into the bottom of the water diverter, and water flow within fixed valve and rotary valve of ceramic materials is separated from other structural members. Thus, water quality is maintained, and the service life of the water diverter is extended. | 03-19-2009 |
20090120519 | WATER OUTLET DEVICE - A water outlet device includes a hollow main body having a middle body part surrounding an axis, a water inlet pipe part fluidly communicated with the middle body part, and first and second water outlet pipe parts fluidly communicated with the middle body part via first and second water outlet holes, respectively. The water outlet device further includes a rotatable plug disposed in the middle body part and formed with a water conduit section, and a spring-loaded valve unit mounted to the rotatable plug and angularly spaced apart from the water conduit section relative to the axis. The water outlet device is operable to permit fluid communication between the water inlet pipe part and one of the first and second water outlet pipe parts by blocking one of the first and second water outlet holes that corresponds to the other one of the first and second water outlet pipe parts. | 05-14-2009 |
20090120520 | Rotary disc valve - A multi-port rotary disc valve adapted to allow fluid flow from at least one fluid source to a plurality of destinations, comprises a stator with fluid flow ports including a plurality of individual ports and at least one common port. Each of the individual ports is adapted for fluid communication with at least one of the destinations, and the one common port is adapted for fluid communication with the source. The individual ports are arranged in spaced apart relationship within an individual ports' stator sector having a stator sector angular length. The valve further comprises a rotor having at least a first, a second and a third rotor sector with channels arranged therein, being opened to the atmosphere or adapted to connect the fluid flow ports of the stator between them in a plurality of predetermined combinations. The first, second and third rotor sectors have a first, second and third rotor sector angular length, respectively, wherein the first and the second rotor sectors are spaced from each other and their angular length is at least equal to said stator sector angular length. The third rotor sector is located at least partially between the first and second rotor sectors. | 05-14-2009 |
20090139589 | 4 Port fluid cartridge - A control disk insert for a one lever mixer valve ( | 06-04-2009 |
20090205730 | CHANGEOVER VALVE FOR AN AIR COMPRESSOR - A changeover valve assembled with an air compressor includes a valve base, a positioning base, a positioning plate, a shaft, a cover and a rotating knob, a first conduit and a second conduit. The valve base has a chamber communicating with two rooms respectively. The valve base has three connectors; the middle one is connected with an outlet tube of the air compressor and the other two ones are respectively connected with a conduit. The positioning base and the positioning plate have their outer walls fixed with insertion blocks. The shaft has a forcing block fitted in the positioning base. With the rotating knob turned rightward or leftward, the forcing block can be eccentrically whirled to push the positioning base to move aside in the chamber to keep one passage sealed and the other passage unsealed, so air can inflate a tire or pump tire sealant into the tire. | 08-20-2009 |
20090211656 | Changeover unit for fuel gas pressure reducer - The creation discloses a changeover unit for a fuel gas pressure reducer comprising at least two pressure reducers applicable for various kinds of fuel gases, and a changeover valve for connecting a gas source to the pressure reducers. Said changeover valve further comprises a valve body accommodating groove, and a valve core mounted within the valve body accommodating groove. The pressure reducers for various kinds of fuel gases are connected by the valve body accommodating groove of the changeover valve, and are applicable for at least two or more kinds of fuel gases by switching the valve core. Users can adjust or change the pressure reducer which matches the kind of fuel gas by themselves in accordance with the kind of fuel gas. | 08-27-2009 |
20090235999 | Spray Application Rate Regulating Valve - A regulator valve includes an inlet coupled for receiving a spray solution delivered by a fixed displacement pump coupled to a solution tank. Located in the valve body so as to divide the solution received at the inlet between a bypass or tank port of the regulator valve, and a boom port is a ball valve in the form of a hollow sphere having a first circular opening in register with said inlet, a second circular opening in register with said boom port and an elongate, wedge-shaped opening in register with said bypass port. The ball valve is mounted for rotation about an axis which is coaxial with the first circular opening and includes a stem coupled to an electric motor for actuating the valve, the motor being coupled for receiving a control signal for causing the motor to position the ball for dividing the flow so as to achieve a desired solution application rate. | 09-24-2009 |
20090255600 | Diverter valve and assembly - A diverter valve assembly is used in a material handling system and may include a diverter valve, an actuator, a chute, and a material handling line. The diverter valve has a body that defines an inlet bore and a pair of outlet bores. A rotor is located within the body and rotates, depending on factors, between the pair of outlet bores. The actuator is connected to the rotor in a way that it can rotate the rotor. The chute communicates with the inlet bore. And a material handling line communicates with each of the pair of outlet bores. | 10-15-2009 |
20090272444 | Vacuum regulator having selectable adjustment ranges - A vacuum regulator has a vacuum range controller and a manifold including an inlet opening, a vacuum source connection, and a bleed orifice. The vacuum range controller includes a regulator stem having a metering tip, a stem body, and an adjustment rod. The metering tip is selectively positioned against the bleed orifice. The vacuum range controller further includes a vacuum adjuster having an adjustment collar and a resilient member which are coaxially disposed on a portion of the regulator stem. An adjustment knob engages the adjustment rod for concurrent rotational movement therewith. | 11-05-2009 |
20090320947 | Multi-way valve with fan-shaped flow channel sealing pair - The present utility model relates to an oil and gas collection and transmission system for petroleum, chemical industry and so on. A multi-way valve with fan-shaped flow channel sealing pair measures in turn the production of an individual well to obtain the dynamic production data of an oil well. The multi-way valve with fan-shaped flow channel sealing pair is characterized in that: a floating gating ring that is applied with contact specific pressure by an elastic component and an upper porous plane body form a gating plane sealing pair; a plurality of fan-shaped flow channel oil inlet holes are annularly and uniformly distributed on a mating surface of the upper porous plane body; the floating gating ring is configured such that it changes gradually from the upper fan-shaped flow channel to the lower round-shaped flow channel; and the inner part of the middle rotary spool is used as a public flow-guide passage. In order to realize the rotary gating for measurement, the inner public flow-guide metering passage of the middle rotary spool is in communication with a certain fan-shaped flow channel oil inlet hole located in the mating surface of the upper porous plane body when the middle rotary spool is rotated by electrical power or manual power to a certain angle. The floating gating ring is pre-exerted by an elastic force to make the sealing face self-sealed under a contact specific pressure. The present utility model has a compact structure. The flow channels are formed by casting. The sands carried in the fluid can not enter into the sealing face easily when the fluid flows down from the top to the bottom. The precise processing can be executed in the planar mechanism easily, thereby enabling a lower machining cost, reliable sealing and a longer working life. | 12-31-2009 |
20100000619 | SLURRY VALVE - A multi-way valve suitable for use with large particle abrasive slurries. The valve has a housing and a seat piece affixed to the housing that defines a chamber. The seat piece has a conical valve seat. A rotor defines a conical base end that is received in the conical valve seat. A spring member biases the conical base end of the rotor against the conical valve seat to center the rotor and to allow the rotor to glide over large particles and for compensating for wear of the rotor over the lifetime of said rotor. The rotor has a first fluid path that is over a top of the rotor and a second fluid path that is through a bridge passageway in the rotor, thereby pressure balancing said rotor. The first fluid path provides continual flushing of particles from the chamber. | 01-07-2010 |
20100032037 | Water Control Valve - A water control valve, which has one valve cartridge to control the temperature and flow rate of hot water, cold water or a mix of hot and cold water only through rotating motions, is disclosed. The valve cartridge ( | 02-11-2010 |
20100032038 | SHARED GAS VALVE - The invention is a shared gas valve which has a valve body with a valve core therein. The valve body has inlet for gas a, the valve core has a gas passage therein with an inlet for gas a and an inlet for gas b on each side. The inlet for gas a and inlet for gas b can connect with said gas passage separately. The valve core has another opening of supplementary inlet for gas a. The valve body has a primary gasway and a supplementary gasway therein and each gasway has a outlet nozzle. The primary gasway is connected with gas passage directly and the supplementary gasway can connect with the a supplementary gas inlet. This invention overcomes the shortages of traditional valve in structure for that there is no need to replace any component or part when changing the gas. It is safe and convenient for use. At the same time, waste could be reduced and the risk of incurring disastrous accident is lessened and thus benefit mankind. | 02-11-2010 |
20100126613 | DIVERTER VALVE - An exemplary embodiment of a diverter valve system includes a valve body defining an internal chamber having at least first, second and third ports, and a first valve seat associated with the first port and a second valve seat associated with the second port. A valve shaft structure includes an internal shaft portion positioned within the internal chamber, the valve shaft structure configured for rotation about a valve axis through a range of motion. A diverter structure includes a diverter face portion configured to seat against the first valve seat when in a first rotational position and against the second valve seat when in a second position, and a mounting portion configured to mount on the internal shaft portion of the valve shaft structure | 05-27-2010 |
20100126614 | Separated-control valve device - A separated-control valve device includes a valve seat having a space defined therein. An inner lower periphery of the space has two inlets and two outlets are defined therein and communicated with the space. A control assembly is partially and pivotably received in the space in the valve seat. The control assembly has a first valve and a second valve for respectively adjusting water flowing from the inlet to the outlet. A limiter is mounted on the valve seat for confining the control assembly received in the space. | 05-27-2010 |
20100229984 | ROTARY SWITCHING VALVE - A rotary valve ( | 09-16-2010 |
20100269936 | CHANNEL SWITCHING VALVE - In a preferred embodiment, a channel switching valve has a stator having a connecting surface and a body section having a connecting surface, and the stator and the body section are removably fixed to each other by bolts at their connecting surfaces. Each of the connecting surfaces has a protruding/recessed pattern formed thereon, and the protruding/recessed patterns are designed to be fitted into each other. By rotating the stator and the body section relative to each other, the stroke of a spring is changed between a position where the stator and the body section are fixed to each other in a state where their protruding/recessed patterns are fitted into each other and a position where the stator and the body section are fixed to each other in a state where their protruding/recessed patterns are not fitted into each other. The spring is held in the body section in its compressed state to urge the rotor toward the stator. An urging force for pressing the rotor against the stator is adjusted by changing the stroke of the spring. | 10-28-2010 |
20100282348 | FLOW DIVIDER FOR HYDRAULIC CIRCUITS - A rotary flow divider, particularly for use in hydraulic circuits for applications such as dividing the output of a hydraulic pump between several differently (non-equally) loaded devices. Includes a central distributor which channels fluid from the pump to outlet ports, and an outer housing with a plurality of distribution ports (associated with different loaded devices). Repeated alignment and closure of outlet and distribution ports in a sequential type manner distributes fluid to the different devices. Such port alignment and closure is achieved by movement of the distributor and housing relative to each other in a rotational and/or linear manner, though an intermediary moving shutter device or sleeve may be used instead. Such an intermediary shutter device or sleeve may also be configured as a repositionable control sleeve to modify the nature of distribution of fluid when it is secured in different positions. | 11-11-2010 |
20100319796 | Multi-Port Valve - A multi-port valve has a valve body, a directional component, and an elastomeric seal. The valve body is formed as an annular cylinder with plurality of ports extending from an outer circumferential surface and in inner circumferential surface further defines a cavity. The directional component is positioned in the cavity and defines a channel in an outer circumferential wall that provides fluid communication between combinations of two or more of the plurality of ports depending upon an angular orientation of the directional within the cavity. The elastomeric seal is positioned between the directional component and the inner circumferential surface of the valve body and defines a plurality of apertures aligned with the ports to provide fluid communication between the channel and the plurality of ports. The elastomeric seal provides a fluid seal and a low-friction interface between the directional component and the inner circumferential surface of the valve body. | 12-23-2010 |
20110048562 | Multi-way selector valve - There is provided a multi-way selector valve capable of suppressing any excessive rise in the pressure of a high-pressure refrigerant during a transitional phase of flow path switching and of preventing malfunctioning of a flow path switching operation, while also being capable of preventing situations in which erroneous judgments of anomaly/failure occurrences in the device are made by a fail-safe mechanism to cause the device to stop unduly. A high-pressure passage portion | 03-03-2011 |
20110067772 | FLOW PATH SWITCHING VALVE - There is provided a flow path switching valve arranged to rotate a main valve | 03-24-2011 |
20110186160 | REFRIGERATION VALVE BLOCK - A service valve assembly that is designed to minimize leakage by reducing the number of leakage paths from the valve assembly. In addition, the service valve assembly is designed to permit connection to many different refrigeration systems and has higher flow capacity. The valve assembly is engageable by current servicing tools so that purchase of new service tools is not required. In the valve assembly, the service connection is designed as part of the shut-off valve and communicates with the condenser side port. Therefore, initial processing through the condenser side port and subsequent processing through the evaporation side port occur through the combined service connection and shut-off valve structure. Once installed, the described valve assembly has one leak path versus two leak paths in known valve assemblies. | 08-04-2011 |
20110259457 | Joint Structure for Controlling Water Flow - A joint structure for controlling water flow contains a first joint including an outer connecting portion disposed on one end thereof, a larger-diameter fitting portion mounted on another end thereof to receive a first stopping ring, and a closed surface fixed on a top end of the larger-diameter fitting portion, the closed surface including a plurality of limiting bores attached thereon; a second joint including an inner connecting portion disposed on one end thereof, a small-diameter fitting portion mounted on another end thereof, and openings defined therein; an adjusting member including a partition mounted therein, the partition including an orifice formed thereon, and two ends of the adjusting member being used to fit the first and the second joints axially so that the first joint is connected with the second joint, and the adjusting member is located between the first and the second joints to rotate relatively. | 10-27-2011 |
20110308651 | Stopcock - According to a preferred embodiment of the present invention there is provided a stopcock including a housing element defining at least first, second and third ports, a handle element which is selectably positionable relative to the housing element, at least one fluid passageway communicating between at least two of the at least first, second and third ports, the at least one fluid passageway being selectably defined by at least one of the housing element and the handle element, the at least one fluid passageway being configured for enabling flushing an internal volume of at least one of the first, second and third ports by a fluid flow which does not flow entirely through the port whose internal volume is being flushed. | 12-22-2011 |
20120152385 | FLUID TREATMENT DEVICE - Fluid treatment device and valve assembly therefore. The fluid treatment device comprises rotary columns or other containers which are alternately subjected to different fluid streams. In order to effect the required connection to different feed and discharge lines on the stationary part of the device, a valve assembly is proposed comprising a stationary and rotary valve plate. The front surfaces of these valve plates are directed towards each other. Optimum mating properties have been realised by producing one front surface from a plastic material and more particular a Teflon based material whilst the other front surface is produced from a polyethylene and more particular ultra high molecular weight polyethylene. This combination allows for a wide temperature range and a large number of fluids to be conveyed. | 06-21-2012 |
20120152386 | MOTOR ASSEMBLY FOR PNEUMATIC TOOL - A valve arrangement includes an inlet conduit defining an inlet passage adapted for communication with a supply of pressurized motive fluid, a first planar surface spaced radially from the inlet conduit, first and second supply passages communicating through the first planar surface, and a rotary valve. The rotary valve includes a second planar surface abutting against the first planar surface and a valve passage communicating through the second planar surface. The rotary valve is rotatable to place the inlet passage in communication with a selected one of the first and second supply passages through the valve passage, and is adapted to conduct the pressurized motive fluid from the inlet passage to the selected one of the first and second supply passages. | 06-21-2012 |
20120180890 | ROTARY VALVE - A movable valve element is provided so as to rotate about a predetermined shaft center. A first valve seat and a second valve seat are respectively arranged apart from the movable valve element with predetermined clearances on both sides of the movable valve element in a direction along the shaft center. A first sealing member is arranged around a communication path so as to seal a space inside the communication path from a space defined by the clearance on a side close to the first valve seat. A second sealing member is arranged around the communication path so as to seal the space inside the communication path from a space defined by the clearance on a side close to the second valve seat. | 07-19-2012 |
20120192975 | HYDRAULIC CONTROL VALVE HAVING A PILOT PISTON WITH FOUR CONTROL EDGES ARRANGED INSIDE THE HOLLOW SPOOL - Provided is a hydraulic control valve with a main stage, having a movable spool valve in a valve housing with at least four ports P, A, B, T to block or release the ports, and provided with control edges formed on piston collars, and with a hydraulic pilot stage provided to control the spool valve of the main stage. If the spool valve of a hydraulic control valve requires a control to release or block the valve housing ports, in addition to electromechanical pilot valves, hydraulically operating pilot stages are also known, in which a pilot valve, controlled by means of a connected drive, regulates a stream of hydraulic fluid acting upon the spool valve of the hydraulic main stage and therefore moving the spool valve between its control positions. | 08-02-2012 |
20120305116 | BUTTON SWITCHING SHOWER AND ITS SWITCHING METHOD - A switching method of a button switching shower includes: step 1, pressing a button slidingly connected to the shower, and then the button slides; step 2, the button acts on the linking seat of the pawl for rotating the pawl; step 3, the pawl rotates the ratchet wheel through the control end of the pawl, and the shape of the elastic claw of the pawl is changed for restoring energy; step 4, the rotation of the ratchet wheel rotates the water diversion disc, and then the water diversion disc is in place, and then the water diversion disc switches the outlet functions, the stopping claw of the pawl is against the ratch of the ratchet wheel for stopping the ratchet wheel inversion; step 5, the pressing is loosened for resetting the button, and the elastic energy of the elastic claw is released for resetting the pawl. | 12-06-2012 |
20120318391 | PULLING-WIRE WATERWAY SWITCHING MECHANISM - A pulling-wire waterway switching mechanism has a fixed unit, a water division body, a ratchet shaft, a stopping claw, a returning body and a pulling wire. The water division body can be rotationally arranged in the fixed unit, and can use the rotation between the water division body and the fixed unit to achieve the switch of the outlet functions, a plurality of lower ratchets in anuular array are arranged on the top surface of the water division body, and a plurality of stopping teeth in anuular array are arranged on the outer rotative surface of the water division body. The ratchet shaft provided with a pulling block extending out of the fixed unit and a plurality of upper ratchets in annular array. The pulling block drives the ratchet shaft to rotate forward. The upper ratchets can drive the water division to rotate forward. | 12-20-2012 |
20130118620 | FLOW ADJUSTABLE WATERWAY SWITCH DEVICE - A flow adjustable waterway switch device is disposed inside a valve body. The valve body is disposed with an inlet connected to the water source and at least two outlets. The waterway switch device has a driving shaft, a setting plate rotated and disposed inside the valve body and a button mechanism. One end of the driving shaft is disposed outside the valve body, and the other end is disposed inside the valve body. The setting plate is rotated by the driving shaft. The flow area of the inlet is changed by the relative rotation of the setting plate and the valve body to adjust the flow. The button mechanism includes a switch plate rotated and disposed inside the valve body, a switch rotor and a restoring spring, the driving shaft is rotated relatively to the switch rotor but not sliding relatively. | 05-16-2013 |
20130284293 | DIFFUSER FOR A MULTI-WAY VALVE - A diffuser for a multiway valve, in particular for a two-way valve, includes a tip ( | 10-31-2013 |
20140014207 | Stopcock - According to a preferred embodiment of the present invention there is provided a stopcock including a housing element defining at least first, second and third ports, a handle element which is selectably positionable relative to the housing element, at least one fluid passageway communicating between at least two of the at least first, second and third ports, the at least one fluid passageway being selectably defined by at least one of the housing element and the handle element, the at least one fluid passageway being configured for enabling flushing an internal volume of at least one of the first, second and third ports by a fluid flow which does not flow entirely through the port whose internal volume is being flushed. | 01-16-2014 |
20140116550 | ROTATION JOINT AND MULTIPLE AIR CHANNEL WORKSTATION USING THE SAME - A rotation joint includes a base and a rotation member sleeved on the base. An end of the base defines at least one first air guiding hole and a first air outlet. An outer sidewall of the base defines an air guiding groove. The air guiding groove extends around an axis of the base. A bottom wall of the air guiding groove defines a second air guiding hole communicating with the first air guiding hole. The outer sidewall of the base further defines a second air outlet. The first air outlet communicates with the second air outlet. Sidewalls of the rotation member define connecting holes. One of the connecting holes communicates with the second air outlet, while the other connecting holes communicate with the air guiding groove. The present disclosure further provides a multiple air channel workstation using the rotation joint. | 05-01-2014 |
20140144532 | ROTARY DISTRIBUTION APPARATUS - A rotary distribution apparatus includes a stationary, cylindrical inner core ( | 05-29-2014 |
20140158239 | CONTINUOUS CIRCULATION VALVE - A valve comprises a housing and a closing member. The housing provides a flow path and comprises a chamber with a first opening and a second opening. The housing further comprises an upstream port, a downstream port and a lateral port. The closing member is located inside the chamber and is rotatable selectively between a first position and a second position so as to dose the first opening and the second opening respectively The lateral port is in flow communication with the downstream port in the first position of the closing member. The upstream port is in flow communication with the downstream port in the second position of the closing member. The dosing member has an internal profile that adjoins the flow path. The internal profile is shaped such that a cross-sectional area of the flow path is larger through the chamber than the rest of the flow path. | 06-12-2014 |
20140261813 | CONCENTRIC DIVERTER CARTRIDGE - A diverter cartridge for a fluid mixing valve includes an inlet adapter having a first inlet port, a second inlet port, a first outlet port and a second outlet port. The cartridge further includes a diverter plate having a first inlet channel and a second inlet channel. The diverter plate is rotatable relative to the inlet adapter between a first end position, a second end position, and a neutral position between the first and second end positions. Rotation of the diverter plate from the neutral position toward the first end position increases a volume flow rate through the cartridge and diverts the fluid to the first outlet port. Rotation of the diverter plate from the neutral position toward the second end position increases a volume flow rate through the cartridge and diverts the fluid to the second outlet port. | 09-18-2014 |
20140261814 | FLOW CHANNEL SWITCHING VALVE - A flow channel switching valve is provided in which a stator and a rotor are contained in an internal space of a housing, and a packing is sandwiched between a flow channel connection plane, which is one plane of the internal space of the housing, and the stator. In the flow channel connection plane of the housing, a packing gland is provided at a distance from a flow channel connection portion so as to surround an outer circumference of the flow channel connection portion, and the packing gland is in contact with a circumferential edge portion of the packing on the same plane as the flow channel connection portion. | 09-18-2014 |
20140283938 | Three-way Integrated Joule-Thomson Valve and Liquefied Gas Expander - A cryogenic turbine expander system which consists essentially of a cryogenic liquid pressure vessel, and the vessel further accommodating a turbine expander, an internal bypass configuration, which are operable in parallel, a three-way valve to direct incoming high pressure liquefied gas flow to the turbine expander, or the internal bypass configuration, which further consists a Joule-Thomson valve, when the turbine expander is not operational. | 09-25-2014 |
20140326343 | ELECTRICALLY DRIVABLE VALVE FOR REGULATING VOLUME FLOWS IN A HEATING AND/OR COOLING SYSTEM OF A MOTOR VEHICLE - An electrically drivable valve for regulating volume flows in a heating and/or cooling system of a motor vehicle with a housing, on which at least two connecting pieces are formed, whereby depending on the arrangement of the valve in a heating and/or cooling circuit one or more connecting pieces are formed as inflow connections and a connecting piece as an outflow connection or one or more connecting pieces as outflow connections and a connecting piece as an inflow connection, whereby a valve body rotatable around a rotation axis is arranged in the housing. In the case of an electrically controllable valve, in which pressure losses in the control circuit are reliably reduced, in the case of an axial inflow or outflow of the valve by a heating medium and/or coolant the axes of one or more outflow connections or of one or more inflow connections are oriented axially and radially relative to the rotation axis of the valve body. | 11-06-2014 |
20140352827 | FLOW PATH SWITCHING VALVE - A base and a stator forming a housing are joined by a stator position adjustment member. The adjustment member is a ring-shaped member having an inner diameter that is equal to the outer forms of the base and the stator, and threads opposite to each other are provided to an upper portion and a lower portion of the inner circumferential surface, along the circumferential direction. A thread for being screwed with the thread is provided, in the circumferential direction, to each of an upper portion of an outer circumferential surface of the base and a lower portion of an outer circumferential surface of an outer wall member of the stator. When the adjustment member is rotated, the base and the stator move in the direction of separating from each other or in the direction of coming close to each other. | 12-04-2014 |
20150020904 | DEVICE WITH ROTARY VALVE FOR THE MANIPULATION OF LIQUIDS - The present invention describes a device consisting of a rotor, a holding-down device, and a base plate. The base plate is normally a fluidic system, a planar fluidic system for example or a fluidic system with several fluidic ports for a directed guidance of liquids or gases through different channels, channel systems, cavities or tubing, for the combination liquid and gas streams, or for prevention of liquid flows. | 01-22-2015 |
20150136259 | VALVE FOR CONTROLLING A FLOW OF FLUID, INCLUDING A ROTARY CLOSURE MEANS - The valve comprises: a body ( | 05-21-2015 |
20150316156 | FLOW PASSAGE SWITCHING VALVE - There is provided a flow passage switching valve that can individually perform the flow control of flow passages of a system including a plurality of flow passages while reducing the number of parts. | 11-05-2015 |
20150323085 | HIGH-FLOW ELECTRO-HYDRAULIC ACTUATOR - Embodiments of the invention provide a high-reliability, cost-effective electro-hydraulic servo-valve assembly that is not susceptible to failure caused by contaminated fluid. In particular embodiments, the electro-hydraulic servo-valve assembly includes a rotary valve that may be actuated by either a direct-coupled Limited Angle Torque (LAT) motor, a geared, brushless DC motor, or some other rotary electric actuating element with an integrated driver circuit. In particular embodiments, the rotary valve element made up of an outer sleeve element and an inner spool element, with matching ports and slots, respectively. | 11-12-2015 |
20150354714 | MULTI-CHAMBER THERMAL MANAGEMENT ROTARY VALVE MODULE - A rotary valve with ports connected to housing. A first valve body rotatably positioned in a housing flow chamber has a fluid pathway that connects a first and/or second port to the flow chamber in a first rotational position, and prevents flow from the first and/or second port in a second rotational position. A second valve body rotatably positioned in the flow chamber has at least one fluid pathway that connects a third and/or fourth port to the flow chamber in a first rotational position, and prevents flow from the third and/or fourth port in a second rotational position of the second valve body. An actuator positions of the first and second valve bodies, and includes an epicyclic gear arrangement for driving the second valve body such that movement of the actuator shaft that rotates the first valve body results in only a partial movement of the second valve body. | 12-10-2015 |
20150369381 | SLIDE VALVE - A slide valve comprises a bushing in which fluid openings are provided which extend through the wail of the bushing, a slide which is arranged adjustably in the bushing and is provided with at least one fluid duct, and an electroactive polymer actuator which can adjust the slide in the bushing. | 12-24-2015 |
20150377380 | Gas Valve Capable of Switching for Two Different Gas Supplies - A gas valve capable of switching for two different gas supplies, has two outlets, two independent rotation positioning areas and two staggered groups of fire holes, one outlet responds to the first gas supply, and the other outlet corresponds to a second gas supply; when the gas valve is mounted on a stove, each outlet is connected to the gas nozzle fit for the corresponding gas supply, then when the corresponding gas supply is used, only the valve rod is switched to the corresponding rotating positioning area, the rotating positioning area corresponds to the corresponding group of fire holes and outlet, only the outlet fit for the gas supply supplies gas to the stove at the moment, and the other outlet is in a closed state all the time, so the gas valve capable of switching for two different gas supplies can be realized without replacing the gas nozzles. | 12-31-2015 |
20160033050 | Improved Three-Way Valve Structure - The invention relates to an improved three-way valve structure consisting of a main three-way valve body ( | 02-04-2016 |
20160067896 | ROTARY VALVE DEVICE - A rotary valve device includes a valve body having a valve hole and a plurality of ports connected to the valve hole. The rotary valve device further includes a rotary valve having communication passages and a motor driving to rotate the rotary valve to regulate flow of a fluid. The valve body has a first and a second supply passage that interconnect the valve hole and the ports. The second supply passage is connected to the valve hole at a position that is closer to an axial end of the valve hole than the first supply passage. The fluid supplied from the second supply passage has lower pressure than the fluid supplied from the first supply passage. Sealing members are interposed between an inner peripheral surface of the valve hole and an outer peripheral surface of the rotary valve at respective opposite ends of the valve hole. | 03-10-2016 |
20160102614 | IMPULSE DUTY CYCLE VALVES - A valve includes a valve housing having a fluid inlet and a fluid outlet with a longitudinal axis defined through the valve housing. The valve also includes a toggle mechanism configured and adapted to cycle flow from the fluid inlet to the fluid outlet through a plurality of different flow rates in response to repeated impulses. The toggle mechanism is also configured to hold flow rate steady between impulses. | 04-14-2016 |
20160139094 | MULTI-POSITION, MICRO-FLUIDIC VALVE ASSEMBLY WITH MULTIPLE RADIAL GROOVES TO ENABLE INDIVIDUAL OR COMBINED FLOWS - A rotary shear valve having a rotor device and a stator device both with planar faces. The stator face includes a central port located at a common rotational axis, a second port radially spaced a radius R | 05-19-2016 |
137625470 | Plug | 22 |
20090236000 | DIVERTER VALVE WITH HANDLE - A diverter valve assembly which eliminates rotational motion for actuation. | 09-24-2009 |
20110011474 | Multi-port stopcock valve and flow designating system - A stopcock is provided with multiple ports joining multiple fluid conduits leading between fluid sources and fluid destinations. A central hub manifold resides within a valve body supporting the ports, and can rotate relative to the valve body. Fluid flow paths within the central hub are selectively aligned or not aligned with the ports. The stopcock indicates which ports are open by providing marks corresponding with positions of the ports. When the marks are visible, the corresponding ports are open. With different positioning of ports and different configurations of fluid flow paths within the central hub, stopcocks having different numbers of operable positions are provided including two, three, four, six and eight way stopcocks. By providing an axial flow path through a central axis of the central hub intersecting the embedded fluid flow paths within the central hub, still further numbers of operational states are provided. | 01-20-2011 |
20110126931 | VALVE DEVICE AND TEMPERATURE ADJUSTING SYSTEM FOR ELECTRONIC DEVICE - A valve device for adjusting the flow volumes of a cooling medium and a heating medium for adjusting the temperature of an electronic device includes: flow paths through which a cooling medium and heating medium are able to flow; and a merging section into which these flow path merge. The merging section has a valve shaft internally and a first channel is formed in the valve shaft. The valve shaft makes the first channel face at least two of the flow paths so as to make at least two flow paths communicate with each other. | 06-02-2011 |
20110139281 | Multi-Way Valve of a Fuel System of a Gas Turbine - A multi-way valve of a fuel system of a gas turbine is provided. The multi-way valve includes a valve body provided with a cylindrical housing, the wall bounding the housing includes a plurality of openings for supplying and/or removing fluids, wherein a movably supported insert including at least one channel having two additional openings is provided in the housing, whereby two adjoining openings may be fluidically connected to each other. | 06-16-2011 |
20110174405 | GAS VALVE WITH DUAL OUTLETS - A dual outlet fluid valve capable of obtaining a closed state operation mode for both outlet ports, a low flow operation mode for either operating port either individually or combined, or a high flow operation mode for either outlet port individually or combined such that at least five distinct operating conditions can be obtained. The fluid valve is not charged with fuel when in a closed position. | 07-21-2011 |
20110272049 | COOLANT-RETURN MANIFOLD SHUT-OFF VALVE - A vehicular cooling system coolant-return manifold is provided that includes a plurality of ports reconfigurable by the user to open, such that coolant will flow into the manifold, or close, such that coolant will not flow into the manifold. The ports are opened and closed by rotating a valve spool in relation to the manifold body. The ports of the manifold are brought into alignment with holes in the valve spool to open a port such that coolant flows into the manifold. A plurality of positions of the valve spool in relation to the manifold body allow a user to select a position wherein the desired combination of ports are on and off. | 11-10-2011 |
20120247593 | TWO EDUCTOR / FOUR-WAY SELECTOR VALVE ASSEMBLY - A selector valve assembly controlling the flow of different flow paths of fluid. The assembly includes a body member having a compartment with an end wall, an outlet passage in the end wall, two ports connected to the body member and communicating with the outlet passage in the end wall, and two passages communicating with the compartment. A rotatable member is sealable positioned in the compartment and has a side wall and an end wall. A first passageway extends a distance into the rotatable member from the end wall thereof and a second passageway extends through the side wall thereof and communicates with the first passageway. Rotation of the rotatable member selectively orients the second passageway with each of the two passages to cause liquid in the two passages to pass to the first and second passageways and subsequently to the outlet passage and at least one of the ports. | 10-04-2012 |
20130037147 | GAS VALVE WITH DUAL OUTLETS - A dual outlet fluid valve capable of obtaining a closed state operation mode for both outlet ports, a low flow operation mode for either operating port either individually or combined, or a high flow operation mode for either outlet port individually or combined such that at least five distinct operating conditions can be obtained. The fluid valve is not charged with fuel when in a closed position. | 02-14-2013 |
20130299023 | Pressure Swing Adsorption System with Indexed Rotatable Multi-Port Valves - Pressure swing adsorption system comprising two or more vessels, each having a feed end, a product end, and adsorbent material adapted to adsorb one or more components from a multi-component feed gas mixture; piping adapted to (1) introduce the feed gas mixture into the feed ends, withdraw a product gas from the product ends, and withdraw a waste gas from the feed ends of the vessels, and (2) place the product ends of any pair of vessels in flow communication; a feed pipe adapted to supply the feed gas mixture to the system; a product pipe adapted to withdraw the product gas from the system; and a waste gas pipe adapted to withdraw the waste gas from the system. An indexed rotatable multi-port valve is adapted to place the product end of each vessel in sequential flow communication with the product end of each of the other vessels. | 11-14-2013 |
20140076439 | DIVERTER VALVE DEVICE, IN PARTICULAR FOR A WASHING MACHINE, SUCH AS A DISHWASHER - A diverter valve device ( | 03-20-2014 |
20150013806 | WATER SUPPLY VALVE - A water supply valve comprising a valve body having a first orifice and a second orifice, a rotatable valve shaft, and a handle. The rotatable valve shaft can be inserted into the first orifice or the second orifice, thereby converting the water supply valve from first configuration where the handle is on the left side to a second configuration where the handle is on the right side. | 01-15-2015 |
20150013807 | MEDICAL STOPCOCK - A medical stopcock device comprises a housing configured to allow a flow of liquid therethrough, and a cock configured to fit in the housing and switch flow paths of the liquid flowing through the housing. The housing comprises a cylindrical body section formed with a through-hole, an upstream port section provided on an outer periphery of the body section, a downstream port section provided on the outer periphery of the body section and disposed on a side of the body section that is opposite to the upstream port section, and a side tube port section provided between the upstream port section and the downstream port section on the outer periphery of the body section and including a first communication hole, and a second communication hole having an opening area smaller than an opening area of the first communication hole. The cock comprises a cylindrical section configured to be inserted in the through-hole of the body section in a slidable manner, and including a first flow path groove and a second flow path groove, and a handle section configured to rotate the cylindrical section. When the cock is at a reference position, the upstream port section, the side tube port section, and the downstream port section communicate with each other in a manner such that the first flow path groove communicates with the upstream port section and the first communication hole in the side tube port section, and the second flow path groove communicates with the second communication hole in the side tube port section and the downstream port section. | 01-15-2015 |
20150047730 | METHOD AND APPARATUS FOR SAMPLE INJECTION IN LIQUID CHROMATOGRAPHY - The present invention provides a method and apparatus for substantially eliminating destructive transients of pressure or flow rate which can degrade the efficiency and useful lifetime of chromatography columns. The present invention enables a substantially constant flow of mobile phase liquid to be maintained through the chromatography system by eliminating the flow blockage interval associated with the actuation of sample injection valves. The present invention further provides a method to reduce the pressure and flow rate transients associated with pressurization of the sample loop contents when the sample loop is introduced to chromatography system delivery pressure. | 02-19-2015 |
20150068627 | DIRECTION OF MOTION CONVERSION MECHANISM, ACTUATOR DEVICE USING THE SAME, AND REAGENT MANUFACTURING APPARATUS - An actuator device includes a pin that performs translatory motion along a groove of a cam to which a three-way stopcock is connected, the cam that performs rotary motion, and a control unit that causes the pin to perform the translatory motion along an extending direction of the cam, and rotates the cam with respect to a central axis of rotation, thereby to divert a passage of the three-way stopcock. A first, second, third, and fourth grooves that form the groove have a linked shape. Directions of inclinations of the first inclination angle and the third inclination angle are opposite with respect to the central axis, and directions of inclinations of the second inclination angle and the fourth inclination angle are opposite with respect to the central axis. | 03-12-2015 |
20150075658 | ROTARY VALVE - A rotary valve that includes a rotor and a casing which rotatably accommodates the rotor. The casing includes an inflow side opening through which a fluid flows in from the outside to the rotor accommodating space and two outflow side openings through which the fluid flows out from the rotor accommodating space to the outside, at a position opposite to an outer circumferential surface of the rotor. The rotor is formed in a cylindrical shape having an internal space. An end surface of the rotor is provided with an end surface side opening which communicates with the internal space. The outer circumferential surface of the rotor is provided with a rotor outer circumferential opening and a rotor outer circumferential blocking surface which are configured to open and close the outflow side openings of the casing. | 03-19-2015 |
20150096635 | VALVE WITH AIR-GAP PROVISION TO PREVENT BACKFLOW - A valve is provided having an air gap to protect against backflow in a fluid system. The valve can also be used to control fluid flow while providing such backflow protection. The valve can be used with e.g., a reverse osmosis water filtration system and/or other systems. By incorporating both backflow protection and flow control into the same device, efficiencies in space, complexity, and/or installation time are provided. | 04-09-2015 |
20150122359 | COOLANT CONTROL VALVE APPARATUS - An engine cooling system compromises a main channel connecting an engine and a radiator, and a coolant control valve apparatus controlling a flow rate of coolant water in the main channel having a main rotary valve. The main valve includes a rotor and a casing that has an inner peripheral surface facing an outer peripheral surface of this rotor, and a gap is provided between the outer peripheral surface of the rotor and the inner peripheral surface of the casing. The inner peripheral surface of the casing has a main opening part that is connected to the main channel, and this main opening part is provided with a sealing member that protrudes to the outer peripheral surface of the rotor. This sealing member composes a channel that connects an opening part of the rotor and an opening part of the casing. | 05-07-2015 |
20150308577 | SHUT-OFF ROTARY VALVE, PARTICULARLY FOR GAS TURBINE - A valve for use in a gas turbine. The valve includes at least one valve body, at least first, second and third fluid delivery pipes positioned on the valve body, at least one outlet pipe positioned on the valve body and a rotatable spherical shutter inside the valve body (and including first and second distribution channels formed within the shutter so as to allow the outlet pipe to be selectively connected to one of the delivery pipes during rotation of the shutter. | 10-29-2015 |
20150354716 | ROTARY VALVE WITH AN ISOLATING DISTRIBUTION BODY - A rotary valve is provided including a housing with an inner chamber having a first inlet, a first outlet, a second inlet, and a second outlet. A valve body is rotatably positioned in the housing. The valve body includes at least one isolated fluid pathway that, depending upon a rotational position of the valve body, provides at least one of a direct connection of one or more of the inlets to one or more of the outlets, or permits flow from at least an other one of the inlets or the outlets that are not in the direct connection created by the at least one isolated fluid pathway into or from the inner chamber. At least one actuator controls the position of the valve body. | 12-10-2015 |
20160125962 | System for Regulating a Liquid in a Circuit - This invention relates to a system for regulating a liquid in a circuit, with the system comprising: a plug valve comprising at least one inlet and one outlet, the plug comprising an internal passage through which is intended to pass the liquid flowing from the inlet to the outlet of the valve when the valve is open at least partially, an expansion reservoir in communication with the liquid flowing in the circuit and intended to contain liquid and a compensating gas, characterised in that the plug comprises at least partially an expansion channel which has at least one lateral opening located on a lateral face of the plug and which is conformed to provide a permanent communication between said lateral opening and the expansion reservoir, the valve being conformed in such a way that: at least when the valve is closed: the lateral opening is in direct communication with the liquid coming from the inlet or from the outlet of the valve, when the valve is open at least partially, the lateral opening cooperates with an inner wall integral with a body of the valve in such a way as to form a conduit in communication on the one hand with the expansion reservoir and on the other hand with the internal passage. The invention also relates to a circuit integrating this system as well as a use of this system. | 05-05-2016 |
20190145532 | ADJUSTMENT TOOL FOR PRESSURIZED VESSELS | 05-16-2019 |
20220136611 | MULTI FLUID PATH SELECTOR VALVE AND INTEGRATED MULTICHANNEL FLUID PATH MODULE - The present application relates to a multi fluid path selector valve, including a valve body, and several fluid outlet pipes. The valve body is provided with several layers of branch channels therein, the branch channel includes a fluid inlet hole and several branch holes. The valve body is provided with communication holes therein for one-to-one communicating the branch holes with the fluid outlet pipes. The valve body is provided with a control mechanism to control the on or off state between the branch hole and communication hole, and the valve body is provided with fluid inlet pipes in communication with the fluid inlet holes respectively. | 05-05-2022 |