Biased Patents (Class 251/320)
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Patent number: 9400057Abstract: A rotationally adjustable valve is disclosed whereby the user is able to control the flow of fluids from complete shutoff to maximum flow by rotating the body of the valve, said rotation being axial to the flow of the fluid. Additionally, the user is able to attach high and low pressure test probes directly to the valve, as it is rotatably adjusted, so that additional equipment is not required next to the valve. An embodiment of this invention includes the use of an adjustable Cv disk to set the maximum flow of the valve, rather than just create a simple 180° on/off, very similar to a current 90° ball valve that this device will replace. All of the problems associated with the ball valve have been minimized including creating a linear relationship between the percentage open of the valve and the percentage of maximum flow of the valve.Type: GrantFiled: April 2, 2014Date of Patent: July 26, 2016Assignee: Griswold Controls, LLCInventors: Stefan Tuineag, Bryan Holloway
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Patent number: 9004451Abstract: A control valve (8) for a medical suction device (1) is provided, with the control valve (8) having an actuating element for freeing and closing a flow path (15) through a valve chamber (11) through the use of a valve plunger (12). Additional air intake openings (16) are formed on the actuating element (10) and define an additional flow path (21) through the valve chamber (11).Type: GrantFiled: February 1, 2012Date of Patent: April 14, 2015Assignee: Schölly Fiberoptic GmbHInventors: Stefan Schlenker, Thomas Lietzau, Hartmund Biedermann
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Publication number: 20140124690Abstract: A valve mechanism for controlling release of pressurized fluid includes a fluid chamber, a plunge and a plunger driver. The plunger is received in an aperture in the fluid chamber, and is movable between a fluid retention position in which fluid is substantially trapped in the fluid chamber and a fluid release position in which fluid can escape from the fluid chamber through passages in the plunger. The plunger is biased into the fluid retention position. The plunger driver engages the plunger to cause the plunger driver and the plunger to move in unison and move the plunger into the fluid release position during a first portion of a stroke of the driver towards the fluid chamber, and the plunger actuator is further guided to permit the plunger to return to the fluid retention position during a second portion of the stroke.Type: ApplicationFiled: January 10, 2014Publication date: May 8, 2014Inventor: Josef Karl Kihs
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Patent number: 8566975Abstract: A faucet control structure includes an outlet head, a switch rod and a valve body. The outlet head is provided therein with a through-hole, a downward outlet end and an inlet chamber. The outlet end and the inlet chamber are separated by the through-hole. One end of the switch rod is enlarged to form a pulling head, and the other end is provided with a restricting groove. The valve body has a partitioning plate whose front surface is provided with two clamping claws. An inverted U-shaped flexible piece is integrally formed atop the valve body. Both sides of the flexible piece are provided with a bending section respectively. The bending sections provide a force for supporting the valve body when the valve body is compressed by an external force, and provide a restoring force to the valve body after the external force is removed.Type: GrantFiled: May 11, 2012Date of Patent: October 29, 2013Assignee: Hsue Sam Enterprise Co., Ltd.Inventor: Wen-Tsung Lin
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Publication number: 20130153686Abstract: The present invention relates to a fuel injector for use in a fuel system of an internal combustion engine. The fuel injector has a supply passage for high pressure fuel and an injection nozzle. The injection nozzle includes a valve needle which can engage with a valve needle seating to control fuel delivery from the fuel injector. A first control valve is provided for controlling fuel pressure within a control chamber to control the valve needle. The fuel injector also includes a second control valve for controlling fuel pressure within a low pressure drain. The invention also relates to a control valve for controlling fuel pressure within a low pressure drain.Type: ApplicationFiled: December 4, 2012Publication date: June 20, 2013Applicant: DELPHI TECHNOLOGIES HOLDING, S.ARLInventor: DELPHI TECHNOLOGIES HOLDING, S.ARL
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Publication number: 20120211090Abstract: A valve assembly configured for a clean-in-place operation for processing systems includes a valve body with a valve seat and inner cavity extending into the valve body. A shaft extends through the valve body and a stopper is connected to one end of the shaft for movement between a normally closed position wherein the stopper sealingly engages the valve seat and an open position wherein the stopper is spaced from the valve seat to permit cleaning fluid to enter and exit the inner cavity only through the valve. An actuator is connected to the valve body and includes a plunger adapted for contacting an opposite end of the shaft for moving the stopper toward the open position when activated. An air inlet extends through the valve body and into the inner cavity.Type: ApplicationFiled: February 17, 2011Publication date: August 23, 2012Applicant: CENTRAL STATES INDUSTRIAL,INC.Inventors: Bryan Downer, Paul Marcink
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Publication number: 20120061426Abstract: An applicator for dispensing a liquid conformal coating material onto a substrate. The applicator includes a body assembly with a liquid flow passage having a liquid inlet adapted to receive the coating material and a liquid outlet. A valve seat is positioned between the liquid flow passage and the liquid outlet. A valve stem is mounted in the body assembly for reciprocating movement between an open position and a closed position. The valve stem includes a first end and a second end. The first end of the valve stem engages the valve seat in the closed position to stop flow of the liquid coating material through the outlet and disengages from the valve seat in the open position to allow flow of the liquid coating material through the outlet. A valve actuating mechanism is operative to move the valve stem from the open position to the closed position and is further operative to move the valve stem from the closed position to the open position.Type: ApplicationFiled: September 13, 2010Publication date: March 15, 2012Applicant: NORDSON CORPORATIONInventors: Patrick T. Hogan, Jon Tedrow
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Publication number: 20110291038Abstract: A quick connect fluid valve assembly comprises a housing, a flow passage insert, and a movable connector. The flow passage insert is disposed at least partially within the housing and is movable relative to the housing. The flow passage insert forms a flow path from a first end of the flow passage insert to a second end of the flow passage insert. The movable connector is disposed in fluid communication with the flow path of the flow passage insert and the movable connector has at least one orifice. The movable connector is movable between a forward fluid flow position that allows forward fluid flow within the flow path of the flow passage insert and a backward fluid flow position that prevents backward fluid flow within the flow path of the flow passage insert.Type: ApplicationFiled: May 27, 2010Publication date: December 1, 2011Applicant: International Engine Intellectual Property Company, LLCInventor: Erik Jordan Hansen
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Publication number: 20110186764Abstract: A coupler having a stop valve, in which one of the connectors comprises a cylindrical wall, and a fixed shaft arranged along a center axis of the cylindrical wall. A valve sheet is arranged around a leading end portion of the fixed shaft, and the valve sheet is tapered to widen a diameter thereof toward a leading end side of the fixed shaft. A cylindrical first valve element is fitted onto the fixed shaft in a manner to slide in its axial direction while being pushed by an elastic member, and an inner circumferential face of the first valve element is tapered at its leading end to be congruent with the taper of the valve sheet. An engagement portion which is diametrically larger than the leading end portion of the first valve element is formed on the outer circumferential face of the first valve element at an intermediate portion in the axial direction.Type: ApplicationFiled: February 2, 2010Publication date: August 4, 2011Applicant: DAIWA CAN COMPANYInventor: Makoto TAKAMI
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Publication number: 20100243940Abstract: A relief valve includes a valve body having a first port through which fluid flows in and a second port through which the fluid is discharged, a sleeve arranged so as to be slidable within the valve body and formed with an inlet being communicatable with the first port and an outlet being communicatable with the second port, a valve being slidable within the sleeve by receiving a fluid pressure of the first port flowing through the inlet in order to establish a closing state at which the outlet is closed by the valve and an opening state at which the outlet is opened, a biasing member applying a biasing force to the valve and a valve position adjusting mechanism actuated for operating the fluid pressure of the first port so as to act on the sleeve in a direction of the biasing force of the biasing member and changing the position of the sleeve relative to the valve body by turning on or off the operation of the fluid pressure of the first port so as to act on the sleeve.Type: ApplicationFiled: March 30, 2010Publication date: September 30, 2010Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Mitsuru TERADA, Yuta Inoue
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Patent number: 7753073Abstract: An occlusion valve with safety relief comprising a manifold block having an inlet and an outlet. A diaphragm connected to the manifold block and for being manually pressed to stop flow between the inlet and the outlet. A pressure relief valve internal to the manifold block and in fluid communication with downstream and upstream pressures and wherein when the diaphragm is pressed and downstream pressure exceeds a predetermined pressure the pressure relief valve opens allowing flow through the occlusion valve with safety relief.Type: GrantFiled: January 10, 2007Date of Patent: July 13, 2010Assignee: Midmark CorporationInventor: John A. Owczarczak
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Publication number: 20090050835Abstract: There are two major applications here: Application 1: Balloon or toy filling device, with any other features besides the primary filling, dispensing, or balloon ridge or gripping features. Ornamental and ornamental-functional features are emphasized here, for example, use as a cover, protection, fitting, grip, handle, or hook (e.g. for hanging). Application 2: Method, system, and apparatus for balloon or toy valve actuated by (the force of) placing an object on the nozzle, or actuated at or by the nozzle egress, or using a one-handed operation means. Even though there are industrial valves out in the market place, there are none for water balloons, and none as easy to use, with one-handed operation, to be very practical and easy to use, by only one user (e.g. with one-hand push or pull operation, which is advantageous). The various variations and applications of each idea above are also discussed.Type: ApplicationFiled: August 25, 2007Publication date: February 26, 2009Inventors: Wayne Scott Boise, John Michael Fraund, JR.
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Publication number: 20090050834Abstract: There are two major applications here: Application 1: Balloon or toy filling device, with any other features besides the primary filling, dispensing, or balloon ridge or gripping features. Ornamental and ornamental-functional features are emphasized here, for example, use as a cover, protection, fitting, grip, handle, or hook (e.g. for hanging). Application 2: Method, system, and apparatus for balloon or toy valve actuated by (the force of) placing an object on the nozzle, or actuated at or by the nozzle egress, or using a one-handed operation means. Even though there are industrial valves out in the market place, there are none for water balloons, and none as easy to use, with one-handed operation, to be very practical and easy to use, by only one user (e.g. with one-hand push or pull operation, which is advantageous). The various variations and applications of each idea above are also discussed.Type: ApplicationFiled: August 25, 2007Publication date: February 26, 2009Inventors: Wayne Scott Boise, John Michael Fraund, JR.
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Publication number: 20080272326Abstract: A driving tool and a head valve assembly for a driving tool. The head valve assembly may include an end cap, a seal bushing received within the end cap, a movable member slidably movable with respect to the seal bushing between a first position and a second position, and a flexible membrane configured to bias the movable member towards the first position. The seal bushing cooperates with the end cap to define a first cavity and a vent path fluidly connected to the first cavity. The vent path is substantially unobstructed when the movable member is in the first position, and the vent path is sealed by a sealing portion of the movable member when the movable member is in the second position.Type: ApplicationFiled: May 2, 2007Publication date: November 6, 2008Inventor: William C. Buck
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Patent number: 7284968Abstract: A bidirectional air pump to selectively inflate or deflate an inflatable object has a housing, a pump assembly and a motor. The housing has a controller cover, a pump cover, and a motor cover. The pump assembly is mounted inside the housing and has a centrifugal pump, a binary supply/discharge valve assembly, a selectable check valve assembly and a valve controller. The motor is mounted inside the housing. The valve assembly and the motor cooperate to pump air into or draw air out of an air mattress or inflatable sofa.Type: GrantFiled: September 28, 2004Date of Patent: October 23, 2007Assignee: Ho Lee Co., Ltd.Inventor: Lung-Po Tsai
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Patent number: 7048136Abstract: A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. An evacuation valve is adapted to allow evacuation of the interior of the container. A vacuum release valve is adapted to allow venting of the interior of the container.Type: GrantFiled: May 6, 2003Date of Patent: May 23, 2006Assignees: Tilia International, Inc., Unimark PlasticsInventors: Paul W. Havens, Glynn Clements
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Patent number: 6631824Abstract: The present invention is an apparatus for controlling pressure of an air pocket of a double-layered cooking vessel, which prevents the distortion or explosion of the double-layered cooking vessel that may result from high pressures generated within the air pocket by the heating of liquid and moisture trapped within the air pocket. In a double-layered cooking vessel having an air pocket between inner and outer shells, the present invention includes an exhaust port located on the outer shell, a handle covering the exhaust port, and exhaust means located within the handle to allow the discharge of vapor steam from the air pocket and through an exhaust port. The exhaust means for controlling pressure inside the air pocket is performed by opening and closing the exhaust port.Type: GrantFiled: May 9, 2002Date of Patent: October 14, 2003Inventor: Jong-Do Peter Park
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Patent number: 6371445Abstract: A pressure release valve which is simple, compact, and easy to assemble for small applications, such as may be found in a flow control device on an oxygen container. A poppet of the valve has a resilient compressible cone providing spring-like characteristics to the poppet, eliminating any requirement for a separate spring, so that the pressure release valve is springless. A stem of the poppet carries a button manual actuation of the poppet. The cone resides in a slightly compressed state within a valve chamber, and the stem is loosely fitted inside the bore of a threaded insert. The poppet is normally seated in a sealing relationship with the insert. Pressing the button shifts the poppet toward an inner valve chamber, compressing the cone further, and allowing the release of gas about the stem. The resilient cone restores the sealing relationship upon button release.Type: GrantFiled: November 9, 2000Date of Patent: April 16, 2002Assignee: Essex Manufacturing CompanyInventors: Gaupongse G. Supattanasiri, Robert E. Scharfenberg
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Patent number: 6076804Abstract: A hydraulic valve for controlling the flow of a pressured liquid with a housing that has an inlet and an outlet with a pivotally mounted handle that actuated a valve stem member housed within an internal bore with a counter bore step surface. An O-ring member is mounted on the step surface that comes in contact with a convex surface provided in a peripheral flange member on the stem member. A compressible cylindrical member is trapped partially within an opening at one end of the valve stem member urging the convex surface against the O-ring thus blocking the flow of the pressurized liquid through the internal valve bore.Type: GrantFiled: October 16, 1998Date of Patent: June 20, 2000Inventor: Pedro Cabrera
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Patent number: 5919174Abstract: A modular ventilating/aspirating assembly includes a catheter subassembly, including a sputum trap; an optional valved manifold and a suction control valve with an actuator oriented at an acute angle with respect to the lumen of the valve. The suction control valve includes a connection end which may couple selectively to a catheter subassembly or to other peripheral devices.Type: GrantFiled: February 3, 1997Date of Patent: July 6, 1999Assignee: Sorenson Critical Care, Inc.Inventor: Sean P. Hanson
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Patent number: 5824219Abstract: A water spout seat of the water filtration device is composed of a water discharge tube, a main body, a stop valve, and a trigger member, The main body is provided with a through hole, a water inlet, a chamber, a stop edge located between the through hole and the chamber, a stop lip located between the water inlet and the chamber, and an inclined connection hole located between the water inlet and a water outlet of the main body. The stop valve is provided with a tapered washer which is engaged securely with a tapered hole of a water admitting tube. The through hole, the chamber and the water inlet are located coaxially.Type: GrantFiled: December 5, 1997Date of Patent: October 20, 1998Inventor: Cheng-Chen Lai
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Patent number: 5558117Abstract: A pneumatic valve assembly includes a valve body having an interior outer central passageway and an interior inner central cavity larger in diameter than the outer central passageway, a valve stem disposed within the outer central passageway and extending into the inner central cavity, a retainer member which supports the valve stem, and a flexible bendable annular seal flange attached about the valve stem held against an interior annular seal surface formed within the valve body between the central passageway and central cavity due to the support of the valve stem by the retainer member. Upon inflation, inward flow of pressurized air through an annular channel between the valve body and valve stem impinges on the annular seal flange, causing it to flex away from the annular seal surface and to permit inward flow of pressurized air.Type: GrantFiled: January 11, 1995Date of Patent: September 24, 1996Inventor: Frank J. McGuinness
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Patent number: 5447257Abstract: A compression spring is formed of elastic material in a shape resembling a trumpet horn. Novel valve structures incorporate the trumpet horn spring as a component, the latter of which serves therein to make the valve self restoring and also to provide a fluid seal. One valve is principally applied to dispense pressurized fluid and the other is a simple gravity fed beverage tap.Type: GrantFiled: January 14, 1994Date of Patent: September 5, 1995Inventor: Richard C. G. Dark
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Patent number: 5439199Abstract: A valve selectively dispenses noncompressible fluid from a pressurized source into a receptacle. The valve has a body with a valve spool slidingly retained in a hollow cylinder in the body. The ends of the body are communicated by an internal channel, the first end adapted to engage the source and the second end adapted to engage the receptacle. The hollow cylinder is an intermediate part of the internal channel. The valve spool has first and second enlarged portions that effectively divide the hollow cylinder into first and second noncommunicated chambers. When the valve spool is in a closed position, the first end is communicated only with the first chamber and the pressure of the fluid in the first chamber provides an outward biasing force on the valve spool, keeping it in the closed position.Type: GrantFiled: December 20, 1993Date of Patent: August 8, 1995Assignee: The National Latex Products CompanyInventors: Michael Briggs, Gerald A. Lowe, Rick C. Geething, Patrick Wagonfield, John S. Zach
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Patent number: 5277342Abstract: A dispensing apparatus capable of dispensing a wide variety of fluids, such as adhesives, is provided. The structure of the apparatus allows it to be miniaturized, thereby facilitating its use for many applications. The apparatus includes a cylindrical housing in which a slide is mounted. The housing includes a fluid reservoir which is supplied with pressurized fluid. A longitudinal passage extends through the slide for providing this fluid to the reservoir. A bellow seal is employed for sealing off an actuating mechanism from the reservoir. The seal is connected between the slide and a support fixedly mounted to the housing. A valve mechanism is provided at one end of the housing for controlling the flow of fluid from the reservoir. The valve mechanism is directly or indirectly responsive to the slide. Fluid may be caused to flow through the valve mechanism either by fluid pressure or by positive displacement.Type: GrantFiled: December 11, 1992Date of Patent: January 11, 1994Assignee: Loctite CorporationInventors: Ewald F. Dickau, Mark Holmes
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Patent number: 5065982Abstract: A push-button type water-controlling device having a press control rod having a cylindrical button on the top and a rectangular rod portion with a rectangular leading groove; a heart-shaped positioning groove; a fixed base, an upper fixed cover having a round hole; and a rectilinear hole; a positioning member entering into the round hole and into the rectangular leading groove at one end, and encasing to the rectangular hole and the heart-shaped positioning groove at the other end; and a spring mounted between the cylinder button and the fixed base is shown and described.Type: GrantFiled: October 25, 1990Date of Patent: November 19, 1991Inventor: Sen-Tein Shih
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Patent number: 4883204Abstract: A manually-operated dispenser for user-controlled discharge of an internally-stored fluid includes a variable length assembly normally driven to its maximum longitudinal extension for substantially closing a fluid discharge opening and for fluid-tightly closing a vent opening disposed at opposite ends of an elongated housing, the fluid discharge opening being normally sufficiently closed so as to prevent discharge of stored fluid through the discharge opening but permitting predetermined bleeding of fluid from the housing interior through the discharge opening, a piston bounding an end of an internal fluid reservoir and operatively movable along the housing for volumetrically reducing the reservoir and for driving stored fluid toward and through the discharge opening, and an actuator assembly manually operable by the user for causing controlled foreshortening of the variable length assembly whereby the fluid discharge and vent openings are concurrently opened permitting the forced discharge of a correspondingType: GrantFiled: November 14, 1988Date of Patent: November 28, 1989Assignee: Photofinish Cosemetics Inc.Inventors: Nathan Kay, Donald McNab, Edward Moya
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Patent number: 4739808Abstract: A device for limiting filling and for air admission to and discharge from tanks, in particular fuel tanks of motor vehicles, part of the tank volume being used as a pressure equalizing chamber (19) with regard to temperature fluctuations, has an air inlet and outlet device which opens out into the ventilatable filler neck (11, 110) and which comprises filling evacuation tubes (14) which determines the maximum liquid level (18) still regarded as permissible, and operating evacuation tubes (15, 16) with a closure device, which takes over air admission to and discharge from the pressure equalizing chamber (19), such that when the tank cap is removed, the operating evacuation tubes is closed by spring action (42, 133) and when the tank cap is on, it is opened by the cap itself against spring force.Type: GrantFiled: July 16, 1986Date of Patent: April 26, 1988Assignee: General Motors CorporationInventor: Wilfried Schmidt
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Patent number: 4655378Abstract: The invention relates to a direct acting pneumatic control system for controlling a dual diaphragm, or double acting cylinder type automatic guiding system. The control device and system is used to selectively adjust the position of one end of a guide roll relative to the opposite end, in order to adjust the position of an endless web traveling over a series of rolls.In order to adjust and control the guide roll position, it is necessary to alternately exhaust one diaphragm, and or cylinder end, while maintaining the flow of air to the opposite diaphragm or cylinder end. This in effect shifts the end of the roll in a lateral direction, effectively steering the web in the proper direction to effect the necessary web correction.Type: GrantFiled: July 2, 1985Date of Patent: April 7, 1987Inventor: Kenneth S. DuFour
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Patent number: 4625777Abstract: An arrangement for limiting the filling of tanks and for aeration and ventilation of tanks in which a portion of the tank volume acts as a pressure-compensation space for temperature changes, has an aeration and ventilation arrangement opening into the aeratable and ventable filler neck, said arrangement having a filling vent which determines the maximum allowable liquid level and an operating vent to take over aeration and ventilation of the pressure-compensation space with a sealing arrangement, such that the operating vent is sealed off by the action of a spring when the tank cap is removed, and when the tank cap is attached, it is thereby opened against the spring pressure. Operating ventilation is controlled by a valve integrated into the aeration and ventilation line which valve can be actuated against spring resistance by a plunger rod.Type: GrantFiled: November 12, 1985Date of Patent: December 2, 1986Assignee: General Motors CorporationInventor: Wilfried Schmidt
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Patent number: 4624662Abstract: A catheter is flushed intermittently at a flushing flow rate higher than a seeping flow rate with the aid of a valve connected to a supply of flushing liquid. The valve has an operator of an elastic material providing an integral elastic sleeve about a valve stem, for biasing the operator to a rest position before and after manual actuation to a depressed position for a temporary opening of the valve. The operator is protected against accidental depression at all points thereof by a shield completely surrounding and surpassing the operator, so that a human finger has to penetrate into the shield for engagement of the operator prior to depression from its rest position against the bias of the elastic sleeve for an opening of the valve. The seeping flow rate is realized with a capillary passage which may extend along either a valve body or a valve seat in the valve and which is laterally bounded either by the valve seat or the valve body when the valve body is seated in the valve seat.Type: GrantFiled: April 13, 1983Date of Patent: November 25, 1986Assignee: Transamerica Delaval Inc.Inventor: Da H. Le
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Patent number: 4550861Abstract: A dispenser for dispensing a dye and a lachrymator in a stream, comprising a housing defining a closed cavity, a bore extending from the cavity to the exterior of the housing, a spool valve defining a longitudinal axis, disposed in the bore and moveable between open and closed positions, the spool valve being operable from the exterior of the housing and a nozzle extending from the bore to the exterior of the housing, the spool valve with the bore defining a chamber with which the nozzle communicates, the spool valve sealingly engaging the bore, when in the closed position, on both sides of the chamber, to exclude communication between the chamber and the cavity and, when in the open position, permitting communication of the chamber with the cavity whereby when a lachrymator under pressure is present in the interior of the housing, the lachrymator will pass through said chamber to and through the nozzle.Type: GrantFiled: September 2, 1983Date of Patent: November 5, 1985Assignee: Pro-Tex Limited PartnershipInventors: James P. Fay, Sr., James P. Fay, Jr.
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Patent number: 4544132Abstract: A combination gladhand and shutoff valve for use in tractor and/or trailer applications has a gladhand body with an air inlet and an air outlet. A seal member is positioned at the air outlet and there is a chamber within the body which connects the inlet and outlet. A valve plug is movable within the chamber toward and away from the seal member along a path coaxial with the outlet and the seal member. The valve plug has portions thereon which cooperate with the seal member to close the outlet. A handle is located outside of the gladhand body and is operatively associated with the valve plug for effecting movement thereof between open and closed positions.Type: GrantFiled: February 28, 1983Date of Patent: October 1, 1985Assignee: Sloan Valve CompanyInventors: Charles S. Allen, Arthur A. Berg, Eugene W. Schmitt, Michael R. Stoltenberg, Frederic Lissau
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Patent number: 4475566Abstract: A tap operated by a push button which acts to open a valve member which is biassed to the closed position, the valve member being for normal operation of the tap; also operated by the push button is a seal piercing means which pierces a diaphragm in or adjacent the tap inlet and which after initial operation of the push button remains lodged in the pierced diaphragm, the piercing means only being moved by the push button on the initial operation. The arrangement ensures an added protection against oxygen penetrating into a container fitted with the tap and is particularly useful for wine containers where the added protection ensures a longer shelf life.Type: GrantFiled: March 9, 1982Date of Patent: October 9, 1984Assignee: Waddington & Duval Holdings LimitedInventor: Kenneth R. Haines
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Patent number: 4405000Abstract: An automatic shutoff valve has a main inlet, a main outlet, and a main passage from the main inlet to the main outlet formed in a valve body. A piston chamber formed in the valve body has a valve seat in the main passage. A piston is movable back and forth through the piston chamber between a first position in engagement with the valve seat to close the main passage and a second position out of engagement with the valve seat to open the main passage. A first seal lies between the piston and the piston chamber to create on the piston a first area against which fluid pressure in the main passage acts to urge the piston toward its second position. An actuator is movable through a control chamber in fluid communication with one end of the piston chamber.Type: GrantFiled: August 24, 1981Date of Patent: September 20, 1983Assignee: Auto Stop CorporationInventor: William J. Fuller
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Patent number: 4333633Abstract: A pneumatic sensor for connection to the sensor port of a bleed-pressure piloted valve and which is responsive to engagement by an article the presence of which is to be detected to block air from escaping said sensor port. The sensor includes a body having a bore and a target slightly smaller than the bore disposed in the bore and having an aperture the axis of which extends transversely to that of the bore. A tube connected to the sensing port and slightly smaller than the aperture extends through the body and into the aperture. The tube has an opening disposed in the aperture and extending generally toward the end of the target to be engaged by the article. The target is movable between an extended position and a retracted position in which the target blocks the opening, air pressure biasing the target to its extended position and the surface of the target defining the aperture being arcuate.Type: GrantFiled: May 22, 1980Date of Patent: June 8, 1982Assignee: Panduit Corp.Inventors: Casimir M. Guzay, James A. Wright
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Patent number: 4290152Abstract: An attachment for the spout of a sink fixture permits the stream of mixed hot and cold water to be readily turned all the way on and off, by simple flipping of a snap-action lever control, without it being necessary to adjust the hot or cold faucets. The flipping is non-critical and does not require any fiddling. The desired temperature and rate of flow are maintained, after having been initially achieved, during subsequent turnings on and off of the stream. The attachment is designed to be screwed into place between the spout and its matching non-splash aereator, normally screwed directly to the spout.Type: GrantFiled: October 2, 1979Date of Patent: September 22, 1981Inventor: Joseph J. Kesselman, Sr.
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Patent number: 4135699Abstract: A control valve for fluid media which includes a housing with a bore having a widened section intermediate its ends into and from which inlet and outlet passages lead for the respective fluid medium to be controlled. A resilient diaphragm or diaphragm with a force to continually urge the diaphragm to assume its normal diametrical shape is provided in the widened section and in its normal, i.e., radially non-expanded condition, defines with the inner wall of the widened section a space establishing intercommunication between the inlet and outlet passages. The diaphragm is provided with a bore extending in the direction of and substantially parallel to the housing bore.Type: GrantFiled: April 25, 1977Date of Patent: January 23, 1979Assignee: Seitz-Werke GmbHInventors: Lothar Petzsch, Alfred Rentel
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Patent number: 3971541Abstract: A valve having two body members and elastic means connected therebetween to normally bias the valve into the closed condition. The valve is opened by pulling one body member away from the other, and it closes automatically upon release. Biasing spring means is likewise provided to insure positive sealing.Type: GrantFiled: January 3, 1975Date of Patent: July 27, 1976Inventor: Raymond E. Griffin
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Patent number: 3961876Abstract: By externally mounting a resiliently flexible member about a valve stem so as to biasingly engage the valve stem with the valve housing in the closed position, a unique, self-contained, captured valve assembly is provided. In the preferred embodiment, the flexible biasing member comprises a rubber material which peripherally surrounds the valve stem and the valve housing. This valve assembly is particularly useful in gas lighters of the butane fuel type, since the preferred embodiment provides a seal against leakage and secondary ignition.Type: GrantFiled: June 6, 1974Date of Patent: June 8, 1976Inventor: Stephen P. Chernock