With Gearing Patents (Class 137/865)
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Patent number: 12072028Abstract: A control valve and a control valve system. The control valve comprises a valve body and valve cores; the valve cores comprise a first valve core and a second valve core; the control valve comprises a valve cavity; the valve body has multiple ports; the first valve core and the second valve core are located in the valve cavity; rotation of the valve cores can open or close ports corresponding to fluid channels of the valve cores. The control valve further comprises a first transmission portion and a second transmission portion, the first transmission portion and the first valve core are integrally formed or in transmission connection, and the second transmission portion and the second valve core are integrally formed or in transmission connection; a valve core shaft and the first valve core are in transmission connection.Type: GrantFiled: November 19, 2021Date of Patent: August 27, 2024Assignee: ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.Inventors: Lixin Wang, Junqing Tu, Zhibiao Yu, Weidong Pan
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Patent number: 11719205Abstract: A dual fluid injection system which comprises a liquid fuel metering device, a fluid delivery device, and apparatus providing an interface therebetween. The interface conveys liquid fuel along a flow path from the metering device to a mixing zone for mixing with air from a pressurized supply to provide an air-fuel mixture for injection by the fluid delivery device into a combustion chamber of an internal combustion engine. The flow path may involve a directional change by way of a turn section. The flow path is sized such that liquid fuel is retained therein by virtue of capillary action, whereby a quantity of liquid fuel is retained after a delivery event such that the flow path remains substantially filled with liquid fuel in readiness for the next delivery event during operation of the engine.Type: GrantFiled: March 23, 2017Date of Patent: August 8, 2023Inventors: Geoffrey Paul Cathcart, Stephen John Karay, David James Caley
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Patent number: 11598441Abstract: A coolant control valve is provided that includes at least one actuator, a first rotary valve body and a second rotary valve body, each rotary valve body driveably connected to the at least one actuator. The second rotary valve body is arranged non-coaxially to the first rotary valve body.Type: GrantFiled: December 3, 2019Date of Patent: March 7, 2023Assignee: Schaeffler Technologies AG & Co. KGInventor: Ashish Karve
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Patent number: 11590825Abstract: A gear system for pivoting blades of an air vent, which is releasable or disengageable. For this purpose, one embodiment provides a rack and pinion gear system comprising helical pinions, which engage with a toothed rack as a result of an axial force due to a helical spline when rotational driving, and thereby establish a drive connection with the blades.Type: GrantFiled: March 31, 2021Date of Patent: February 28, 2023Assignee: fischer automotive systems GmbH & Co. KGInventor: Gunter Leopold
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Patent number: 11408116Abstract: A method of operating a dryer appliance includes directing a flow of hot dry air into a chamber defined within a drum of the dryer appliance. The method also includes receiving a signal indicative of an atmospheric condition external to the dryer appliance and determining whether the indicated atmospheric condition is less than a threshold. The method may further include directing a flow of air from the chamber to an interior space when the indicated atmospheric condition external to the dryer is less than the threshold, and activating a component of an environmental control system in communication with the interior space when the indicated atmospheric condition of the ambient environment external to the dryer is less than the threshold.Type: GrantFiled: September 19, 2018Date of Patent: August 9, 2022Assignee: Haier US Appliance Solutions, Inc.Inventors: David Scott Dunn, James Quentin Pollett
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Patent number: 11313480Abstract: Disclosed is a valve mechanical linkage system. A valve comprises a main valve and a secondary valve; the system comprises a first transmission mechanism and a second transmission mechanism; the first transmission mechanism is connected with the main valve and used for converting the up-and-down reciprocating motion of the main valve into a rotational reciprocating motion; the first transmission mechanism and the second transmission mechanism are connected by means of a coupling (4), and the rotational force of the rotational reciprocating motion is transferred to the second transmission mechanism by means of the coupling (4); the second transmission mechanism is connected with the secondary valve, and achieves on-off control on the secondary valve by converting the rotational reciprocating motion into the up-and-down reciprocating motion.Type: GrantFiled: January 28, 2019Date of Patent: April 26, 2022Assignees: Beijing Aerospace Propulsion Institute, Beijing Aerospace Petrochemical Technology & Equipment Engineering Corporation LimitedInventors: Fan Yang, Qingzhao Yang, Yingren Ding, Jingbo Han, Jin Guo, Xiang Su, Jinxian Liu, Huan Yang, Qiang Li, Yusheng Guo
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Patent number: 11299016Abstract: An outlet device is provided. In operation, the outlet device generates an outlet flow and includes: a housing with an inner surface forming a channel which extends between an air inlet orifice and an air outlet orifice, a first air-directing surface which together with a first inner surface section forms a first air channel, a second air-directing surface which lies contrary to the first air-directing surface and which together with a second inner surface section forms a second air channel, a first flap which is pivotable around a first adjustment axis which runs transversely the housing centerline and a second flap which is pivotable around a second adjustment axis which runs transversely the housing centerline, an adjustment device which comprises a control device and a coupling device, wherein the coupling device is actuatable by the control device and couples the pivoting motions of the first flap and the second flap.Type: GrantFiled: December 3, 2018Date of Patent: April 12, 2022Assignee: FAURECIA INTERIEUR INDUSTRIEInventors: Bruno Dinant, Ludovic Bouldron
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Patent number: 10704551Abstract: A rotation device according to an embodiment includes a first gear, a second gear, and an energizing part. The first gear includes a toothless part and is connected with a rotation driving source. The toothless part is obtained by cutting a part of continuous teeth of the first gear. The second gear is arranged to be able to be engaged with the first gear and is rotated, when engaged with the first gear, in a predetermined direction by a rotation of the rotation driving source in one direction. The energizing part energizes the second gear in a direction reverse to the predetermined direction when the second gear is in a free state in which an engagement of the second gear with the first gear is released by the toothless part.Type: GrantFiled: October 3, 2017Date of Patent: July 7, 2020Assignee: FUJITSU TEN LimitedInventors: Masashi Otomi, Tomohisa Koseki
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Patent number: 9909386Abstract: An apparatus for directing a fluid from an inlet to one of a plurality of outlets that are associated with a wellhead assembly includes a block body having a block inlet and a plurality of block outlets. A selector plug is located within the block body, the selector plug having a plug inlet aligned with the block inlet along a central axis, a plug outlet at an angle relative to the central axis, and a plug bore extending from the plug inlet to the plug outlet. A stem member is moveable to selectively rotate the selector plug within the block body so that the plug outlet aligns with one of the plurality of block outlets, providing a fluid flow path from the block inlet to such one of the plurality of block outlets, and impeding fluid communication from the block inlet to the others of the plurality of block outlets.Type: GrantFiled: March 17, 2015Date of Patent: March 6, 2018Assignee: GE OIL & GAS PRESSURE CONTROL LPInventors: Travis Kyle McEvoy, Lloyd Ray Cheatham, Ben Calvin Holgate, Christopher Dibernardo
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Patent number: 9217395Abstract: A valve able to control an exhaust gas recirculation system of an internal combustion engine equipped with a turbine installed in an exhaust circuit of the internal combustion engine, is disclosed. The valve includes a body through which a first stream of exhaust gas tapped off upstream of the turbine can flow and through which a second stream of exhaust gas tapped off downstream of the turbine can flow. The valve is configured to control the flow of the first and second streams of exhaust gas through the valve body.Type: GrantFiled: November 19, 2012Date of Patent: December 22, 2015Assignee: Valeo Systemes de Controle MoteurInventors: Patrick Lebrasseur, Franck Girardon, Mathieu Lallemant
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Publication number: 20150027575Abstract: A thermal management valve module having at least one flow chamber is provided, with one or more inlet and outlet ports connected to the at least one flow chamber. A first valve body is rotatably positioned in the at least one flow chamber, and includes a fluid pathway that connects a first port to the flow chamber, which allows separate or mixed flows, or blocks the flow, based on the valve body position. A second valve body is rotatably positioned in the at least one flow chamber, and includes a fluid pathway that connects a second port, which allows separate or mixed flows, or blocks the flow, based on the second valve body position. One or more actuators can be used to independently position the first and second valve bodies. An indirect connection, which can be an epicyclic gear arrangement, allows a single actuator to independently position both valve bodies.Type: ApplicationFiled: July 21, 2014Publication date: January 29, 2015Applicant: Schaeffler Technologies GmbH & Co. KGInventor: Alexander Joseph Morein
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Patent number: 8869835Abstract: A dual valve construction partners first and second valve portions with a mechanical linkage such as gears to operably couple the control stems together. The gears need not be identical and in fact a first gear may have flats so that motion of the first gear need not always move the second gear proportionally. Furthermore, the gears may have differing gear ratios at different portion of the gears.Type: GrantFiled: April 17, 2013Date of Patent: October 28, 2014Assignee: Burner Systems International, Inc.Inventors: Stephen Sapp, Timothy Frost
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Patent number: 8684033Abstract: A valve including a body that defines first and second ducts that open out into a third duct. The first duct is provided with a first shutter and the second duct is provided with a second shutter connected to drive means arranged to move the shutters in a normal mode of operation in which the second shutter is in the closed position and the first shutter is adjustable in position between an open position and a first closed position, a stop mode in which the second shutter is in its closed position and the first shutter is in its first closed position, and a secondary mode of operation in which the second shutter is in its open position and the first shutter is in a second closed position.Type: GrantFiled: April 26, 2007Date of Patent: April 1, 2014Assignee: Valeo Systemes de Controle MoteurInventors: Laurent Albert, Arnold Rimpau
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Patent number: 8602506Abstract: An air brake locking device for a vehicle includes a main body having a pair of internal channels capable of connecting to a vehicle air line, a valve interposed between the internal channels for controlling the flow of air, and a control unit for regulating the operation of the valve.Type: GrantFiled: September 30, 2011Date of Patent: December 10, 2013Inventor: Frank Sittnick
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Patent number: 8479770Abstract: The invention relates to valve system made up of multiple three way valves mechanically coupled together to produce the functionality of a four way valve.Type: GrantFiled: June 25, 2009Date of Patent: July 9, 2013Assignee: Oceaneering International, Inc.Inventor: Todd G. Holtz
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Publication number: 20130134336Abstract: An electric three-way valve comprises: an input port, a plurality of output ports and a valve core which rotates in a sliding manner in the valve seat by a driving force of a motor unit, wherein the valve core selectively opens or closes the plurality of output ports, the motor unit is attached as a separated constituent to an outside of an upper end surface of a cylindrical casing introducing refrigerant, the valve core is driven by a gear unit which transmits the driving force of the motor unit and is disposed inside the cylindrical casing, the cylindrical casing includes one opening portion and a side wall with an apex portion, a housing which is fixed to a cylindrical wall portion of the apex portion and is equipped with the motor unit is uprightly formed in the other opening portion, and the housing is attached to the cylindrical casing.Type: ApplicationFiled: October 25, 2012Publication date: May 30, 2013Applicant: ZHEJIANG SANHUA CO., LTD.Inventor: ZHEJIANG SANHUA CO., LTD.
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Patent number: 8113268Abstract: An air conditioning system of the present invention for an automotive vehicle includes a housing having at least two sections connected by two side by side air passage. A blower device of the air conditioning system discharges air into the housing. An evaporator is disposed in one of the sections for taking heat from the air discharged from the blower device to produce cool air. A heater is disposed in the other section positioned downstream of the evaporator for adding heat to the cool air to produce warm air. First and second sliding valve plates mechanically communicating with a driving mechanism of the present invention are supported by the housing for selectively closing the two side by side air passages thereby regulating air flow of cool and warm air.Type: GrantFiled: August 7, 2008Date of Patent: February 14, 2012Assignee: Delphi Technologies, Inc.Inventor: Mark W. Stevenson
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Patent number: 7658671Abstract: An air distribution assembly for vehicles, comprising a first flap, able to rotate around a first axis, a second distribution flap, able to rotate around a second axis, and a geared transmission device that connects the first and the second flap to each other. The transmission device comprises at least one gear wheel including a first and a second element able to rotate relative to each other and an elastic element positioned between the first and the second element to allow a relative rotation motion between the first and the second element.Type: GrantFiled: January 30, 2007Date of Patent: February 9, 2010Assignee: Denso Thermal Systems SpAInventors: Michele Balzo, Andrea Carbone
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Patent number: 7517278Abstract: An HVAC controller housing including a plurality of valves extending therein for directing airflow to a plurality of ducts is provided. The housing is of the type including a side port extending outwardly from the housing and in fluid communication with one of the ducts. A drive gear is provided on the housing to drive a plurality of driven gears disposed on the housing for driving the plurality of valves. The driven gears are responsive to the drive gear through a transmission member comprising an annular idling gear in meshing engagement with the drive gears and at least one of the driven gears. The annular idling gear is rotatably supported on the housing and encircles the side port for efficient torque transfer between the drive gear and the driven gears.Type: GrantFiled: February 20, 2007Date of Patent: April 14, 2009Assignee: Delphi Technologies, Inc.Inventor: Phillip M. Sokolofsky
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Publication number: 20080000537Abstract: An HVAC controller housing including a plurality of valves extending therein for directing airflow to a plurality of ducts is provided. The housing is of the type including a side port extending outwardly from the housing and in fluid communication with one of the ducts. A drive gear is provided on the housing to drive a plurality of driven gears disposed on the housing for driving the plurality of valves. The driven gears are responsive to the drive gear through a transmission member comprising an annular idling gear in meshing engagement with the drive gears and at least one of the driven gears. The annular idling gear is rotatably supported on the housing and encircles the side port for efficient torque transfer between the drive gear and the driven gears.Type: ApplicationFiled: February 20, 2007Publication date: January 3, 2008Inventor: Phillip M. Sokolofsky
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Patent number: 6990992Abstract: A damper device includes a first baffle capable of opening or closing a first opening portion by turning about its axis and a second baffle capable of opening or closing a second opening portion by turning about its axis. A common drive source for driving the first baffle and the second baffle and a gear train by which the output from the drive source is transmitted to the first baffle and the second baffle are also provided. The device also includes a first rotary shaft driven by the gear train for driving the first baffle and a second rotary shaft driven by the gear train for driving the second baffle. The first rotary shaft and the second rotary shaft are arranged to be extended from the positions adjacent to each other on the gear train toward one side in an axial direction of the gear train.Type: GrantFiled: July 25, 2003Date of Patent: January 31, 2006Assignee: Sankyo Seiki Mfg. Co., Ltd.Inventor: Seiichiro Noritake
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Patent number: 6871576Abstract: Method and apparatus for isolating hydraulic devices in a stacked hydraulic circuit of modular design employing an isolator valve module which enables partial and/or complete isolation of components in a hydraulic system to be isolated for inspection, testing, maintenance or replacement, by selective operation of the isolator valves in the isolator valve module. The isolator valve module may be a sub-plate module supporting other modules or a plurality of stacks of modules or may be a “sandwich” type module sandwiched between a sub-plate and another module or between two sandwich-type modules.Type: GrantFiled: February 19, 2003Date of Patent: March 29, 2005Inventor: Peter Vari
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Patent number: 6776240Abstract: A valve for downhole well service, having a rotary indexer carrying an elastically-loaded valve element on a valve seat surface in a flow passage, the valve element adapted to obstruct one or more flow passages in the valve seat surface when aligned therewith. The valve may additionally, or alternatively, comprise an elastically-loaded valve element mounted in one or more flow passages in the valve seat surface, this valve element adapted to obstruct the flow passage in which it is installed when urged into contact with the valve seat surface. When a valve element is mounted in one or more of the flow passages in the valve seat, the indexer comprises a protrusion positioned to engage such valve element and force it out of contact with the valve seat surface. The valve may be actuated by command from the surface by sending telemetry elements to a downhole telemetry data detector.Type: GrantFiled: July 30, 2002Date of Patent: August 17, 2004Assignee: Schlumberger Technology CorporationInventors: Michael H. Kenison, Michael L. Smith
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Patent number: 5845677Abstract: The present invention relates to a dual throttle valve of a car which includes an intake pipe divided into a primary intake path for low speed and a secondary intake path for middle or high speed, a primary throttle valve, a secondary throttle valve, a pinion, a fan-shaped gear, and a semi-circular member, wherein at a low speed, only the primary throttle valve rotates to open the primary intake path having a smaller diameter than the secondary intake path and at a middle or high speed, the primary and secondary throttle valves rotate sequentially to open the primary and secondary intake paths gradually even when the sudden accelerating for starting or outrunning occurs, so that waste of fuel at a low speed due to the sudden oversupply of gas and the occurrence of harmful exhaust gas due to the incomplete combustion at a middle or high speed can be prevented by controlling the amount of the intake gas.Type: GrantFiled: October 2, 1996Date of Patent: December 8, 1998Assignee: Kia Motors CorporationInventor: Yong-Woo Kim
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Patent number: 5730507Abstract: A brake lock system is used in a vehicle having a brake line which feeds brake fluid to at least one brake member. The system comprises a brake line fittable housing having at least one fluid inlet and at least one fluid outlet. A flow control which controls the flow of brake fluid from each inlet to each outlet is provided within the housing. The flow control is movable from a first position which allows two way flow between the inlet and the outlet to a second position only allowing one way flow from the inlet to the outlet. Also provided within the housing is an operating member for moving the flow control. A controller which controls the operating member is provided remotely of the housing and a flexible drive shaft connects the controller to the operating member. The use of the flexible drive shaft permits a mounting position for the controller at a location different from that of the housing within the vehicle.Type: GrantFiled: June 18, 1997Date of Patent: March 24, 1998Inventors: Mark Wayne MacWilliam, George Meyer
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Patent number: 5462086Abstract: A dual pressure relief valve selector is formed by a Y-shaped tubular body having an inlet port at its stem position connected with a vessel or a line to be monitored. Each leg of the Y-shaped housing is connected in fluid communicating relation with a safety relief valve. A spring and fluid flow biased open flap valve and valve seat is contained by each leg of the Y-shape adjacent the inlet of the respective relief valve. A pinion journalled by the housing moves a rack to and fro between the flap valves for normally maintaining one of the flap valves in closed position and isolating the relief valve downstream from the closed flap valve.Type: GrantFiled: November 7, 1994Date of Patent: October 31, 1995Inventors: Julian S. Taylor, Christopher F. Rooney
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Patent number: 5344221Abstract: An anti-theft device is installed in a vehicle brake line which carries braking fluid. The device defines a valve seat and a valve body adapted to close against said valve seat, the valve body having a passageway therethrough and being rotatable against said seat about an axis substantially perpendicular to the passageway, between a first position in which it permits fluid flow in one direction and inhibits fluid flow in the opposite direction, and a second position in which it permits fluid flow in both directions. The valve can easily be switched between the first and second positions, and can be locked in the first position. By allowing braking fluid to flow only toward the wheels, it will be evident that the wheel brakes, once applied, cannot, be released.Type: GrantFiled: January 27, 1993Date of Patent: September 6, 1994Inventor: Mark W. MacWilliam
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Patent number: 5309934Abstract: Balanced piston fluid valve, wherein annular outer and core inner coaxial valve members are adapted to move to and fro slidably relative to one another and to bar upstream-to-downstream fluid flow when mutually juxtaposed into seated position but adapted to enable such flow when spaced apart in unseated position.Type: GrantFiled: May 21, 1993Date of Patent: May 10, 1994Inventor: Robert A. Jaeger
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Patent number: 5307838Abstract: A rotary valve assembly is disclosed in which a rotary valve member is located within a casing having one or more fluid inlets and a plurality of fluid outlets. The rotary valve member has a fluid conduit which extends in a generally radial direction and which communicates with the fluid inlet. Fluid orifices communicate with the fluid conduit and exit through opposite sides of the rotary valve member to thereby minimize, or eliminate altogether, axial forces acting on the rotary valve member. Fluid outlet passages communicate with the two fluid orifices during at least part of the rotation of the rotary valve member to direct the pressurized fluid to the valve outlets. The rotary valve may include a pair of rotary valve members drivingly connected to each other such that they rotate synchronously. The connection may include gear teeth formed on the adjacent peripheries of the rotary valve members such that rotation of one of the valve members causes rotation of the other.Type: GrantFiled: January 7, 1993Date of Patent: May 3, 1994Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation (S.N.E.C.M.A)Inventors: Guy d'Agostino, Jean-Marie Brocard, Pierre G. J. Hebert, Franck Liotte, Eric C. Lorne, Claude Maillard, Alain Tiepel
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Patent number: 5291911Abstract: The subject device has a pair of conical segment members extending downstream from a central chamber and provided with means to relatively rotate them to proportion the flow of the non-predominant (volumetric-wise) phase of two-phase fluid therethrough. Relative positioning of the conical segment members forces the two-phase mixture streams to change velocities and mix the liquid phase with the gaseous phase prior to their encountering a flow-splitting device such as a tee junction.Type: GrantFiled: July 19, 1993Date of Patent: March 8, 1994Assignee: Texaco Inc.Inventors: Alvaro Bernal, Jackie R. Boyles
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Patent number: 5007456Abstract: A closing arrangement for ducts having large cross-sectional areas, particularly flue gas ducts for power plants. The arrangement includes at least two flaps which are mounted on at least one flap shaft. Lever arrangements composed of crank arms and tightening arms for swinging the flaps are connected to the flaps. At least one drive shaft is connected to the lever arrangements. The drive shaft extends transversely of the flap shaft. The transverse arrangement of the drive shaft makes it possible to open and close the flaps by means of a single drive shaft.Type: GrantFiled: October 20, 1989Date of Patent: April 16, 1991Assignee: Stober & Morlock Warmekraft Gesellschaft mbHInventor: Volker von Erichsen
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Patent number: 4889317Abstract: A valve for the proportioning of fluid flow between orifices (14,15) consists of a first cylinder (16) provided with a tapering circumferential groove (19) in its periphery, and a pair of cylinders (17,18) contacting the first cylinder respectively in the path between those orifices and a single orifice (13). The pair of cylinders (17,18) have tapered circumferential grooves (20,21) arranged so that rotation of the cylinders causes opening of one path and closing of the other.Type: GrantFiled: September 27, 1988Date of Patent: December 26, 1989Assignee: Geoflow International Pty. LimitedInventor: Christopher G. Kelsey
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Patent number: 4778083Abstract: An apparatus for mixing and dispensing fluid components includes a mixing chamber for mixing reactive components prior to dispensing the components. The components are provided through separate valves to ducts in fluid communication with inlets to the mixing chamber. The valve actuator can be selectively positioned to prevent one of the valve from opening. The valves are ball valves which are actuated by a hydraulic actuator acting through a rack and gear system. The rack is cylindrical with a flat spot formed thereon for preventing rotation of an associated one of the gears as the actuator is moved.Type: GrantFiled: August 10, 1987Date of Patent: October 18, 1988Inventor: Herman W. Decker
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Patent number: 4749004Abstract: A valve apparatus interconnects a single inlet duct with a plurality of outlet ducts. The apparatus has a manifold body that provides a passageway between the inlet and the outlets. Operatively positioned in each outlet is a butterfly valve. A single drive motor is used to operate all the valves, wherein each valve is operated independently of the other.Type: GrantFiled: May 6, 1987Date of Patent: June 7, 1988Assignee: The Boeing CompanyInventor: Douglas E. Peash
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Patent number: 4685156Abstract: An adjustment water temperature safety control unit (40) includes a pair of control valves (42, 44) interconnected by meshed control gears (100, 106) for opposite inversely proportional actuation responsive to a single control knob (78). The desired maximum hot water temperature and/or the desired minimum cold water temperature can be set by means of adjustable clips (104, 110) on the gears (100, 106), which are located behind a removable panel (26). Volumetric flow rate of the mixture is controlled by at least one valve (56) and control knob (64).Type: GrantFiled: June 11, 1986Date of Patent: August 11, 1987Inventor: James A. Brabazon
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Patent number: 4664356Abstract: A valve includes a valve housing having a valve bore with a first valve member movable therein to control fluid communication between a pump, a reservoir and a hydraulic function. The first valve member includes annular grooves which receive pressure controlled seals. A second valve member is movable in the valve bore and is connected to an actuator. The first and second valve members cooperate to form a pre-control valve which controls pressurization of the pressure controlled seals. The second valve member also connects the actuator with the first valve member so that the seals are relieved of pressure before the first valve member is moved.Type: GrantFiled: June 16, 1986Date of Patent: May 12, 1987Assignee: Deere & CompanyInventors: Manfred Becker, Hilmar Ortlepp
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Patent number: 4633903Abstract: A 4/2 type distributing control valve characterized by compactness, ruggedness and high sampling frequency, the valve comprising two index plates (6, 7), each having teeth about its perimeter, provided with axial switching bores (8, 9, 10, 11). The two switching bores for each plate are connected with a groove (12, 13) which extends over the center of the relevant index plate.Type: GrantFiled: May 10, 1985Date of Patent: January 6, 1987Assignee: ENFO Grundlagenforschungs AGInventor: Dionizy Simson
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Patent number: 4543984Abstract: Highway trailer for hauling cargo has air actuated brakes. Valve mounted on the trailer connected in the air line maintains brake-on air pressure in the line while trailer is parked. Valve has locking handle to inhibit trailer theft.Type: GrantFiled: September 9, 1983Date of Patent: October 1, 1985Inventor: John M. Murray
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Patent number: 4437461Abstract: A valve respirator device for use both on human and on animal patients. The device comprises a housing having an inport, an outport and an exhaust port. The outport is connected to the patient's respiratory system, the inport is connected to a source of air and the exhaust port is open to the surrounding atmosphere. To that end, in alternating succession, first the inport and then the exhaust port is in fluid communication with the outport. A slotted, rotatable valve cylinder is utilized as a means for providing alternating fluid communication first between the inport and the outport and then between the outport and the exhaust port. The device further comprises a metering plate which is interposed in the path of fluid communication between the outport and the other two respective ports. In that regard, the metering plate includes several apertures which regulate the volume and other flow characteristics of air passing between these respective ports.Type: GrantFiled: April 16, 1982Date of Patent: March 20, 1984Inventor: Mitchell H. Greenberg
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Patent number: 4388766Abstract: A fluid flow control device including an inlet and a pair of outlets and a diverter valve selectively operable to place the inlet in fluid communication with either the first or second outlet in response to a humidity sensitive control mechanism. The fluid flow control device is particularly adapted for utilization with an automatic clothes dryer in which the inlet is coupled to the exhaust outlet of the dryer and the valve is actuated to open the first outlet, communicating with the outside of the house, for example, when the humidity within the exhaust air exceeds a threshold value, and to open the second outlet, which is in communication with an interior space or with a duct in a hot air circulating system, when the humidity of the dryer exhaust air is below the threshold value.Type: GrantFiled: August 17, 1981Date of Patent: June 21, 1983Inventor: L. Wayne Sanderson
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Patent number: 4312381Abstract: A control device for a triple-plenum air conditioning apparatus having a by-pass air duct, a hot air duct and a cold air duct. A first shaft mounted through the by-pass and hot air ducts carries a first by-pass air damper blade and a hot air damper blade at right angles to each other. A second shaft mounted through the by-pass air duct and the cold air duct carries a second by-pass damper blade and a cold air damper blade at right angles to each other. The control device includes a first geneva link on the first shaft, a second geneva link on the second shaft and a third shaft carrying a drive plate with pins for independently actuating the geneva links and a geneva cam for holding one of the geneva links against rotation while the other is being independently actuated. Rotation of the third shaft through one hundred degrees results in rotation of each of the first and second shafts through ninety degrees.Type: GrantFiled: March 27, 1980Date of Patent: January 26, 1982Assignee: Aladdin Heating CorporationInventor: David A. Ratner
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Patent number: 4196752Abstract: A group valve for selectively connecting two liquid supply lines separately to a container. The valve comprises a housing with three chambers, one of which is separately connected to the others communicating with a respective liquid line. In each chamber there is a rotary slide, said slides cooperating to at each particular time open one line and close the other. In order to prevent leakage from one line to the other said two chambers communicating with the liquid lines, respectively, are provided with an outlet to the atmosphere, said outlet of each chamber being closed by the rotary slide when the liquid line is open and open when the line is closed.Type: GrantFiled: August 22, 1978Date of Patent: April 8, 1980Assignee: Koltek OyInventor: Erkki P. Niskanen