Class / Patent application number | Description | Number of patent applications / Date published |
251336000 | BIASED VALVE | 55 |
20080210898 | ONE-PIECE SPRING AND POPPET INCORPORATED INTO A VALVE SEAT ASSEMBLY AND ASSOCIATED METHOD FOR MANUFACTURING A ONE-PIECE SPRING AND POPPET - A combined spring and poppet assembly incorporated into a valve housing which communicates with a fluid inlet and outlet. The integral assembly includes an elongated and three dimensional shaped, resilient body positioned in linearly displaceable fashion within the valve housing, and along a path established between the fluid inlet and outlet. The body includes a forward-most disposed poppet which seats against the fluid inlet in a normally flow disrupting fashion. The body further includes an integrally formed spring biasing portion. Upon a pressure in the fluid inlet exceeding a predetermined value, the poppet being caused to unseat from the inlet and to displace linearly against the spring portion, concurrent with fluid flow being established across the outlet. | 09-04-2008 |
20080217571 | Pressure Control Device for a Fluid Dispensing Container - A novel pressure control device is provided comprising a first cylinder ( | 09-11-2008 |
20110121221 | INLET OPENING DEVICE FOR INFLATING A WARMING BLANKET - A warming blanket is provided that includes a first sheet and a second sheet sealed at least along a common edge. An air inlet is provided on the warming blanket where the first sheet and the second sheet are not sealed. An inlet opening device is attached to the inlet opening. The inlet opening device separates the first sheet from the second sheet at the inlet opening in the absence of an opposing force. Methods of forming and using the warming blanket are also provided. | 05-26-2011 |
20110147636 | CONSTANT RESIDUAL PRESSURE VALVE - A constant residual pressure valve is provided with a valve body, a valve seat, a communication passage, and an orifice upstream of the valve seat. A cylindrical passage is arranged between the orifice and the valve seat in such a manner as to introduce cavitation bubbles toward the valve seat. The cavitation bubbles are generated in the fuel discharged from the orifice. When the cavitation babbles are collapsed, the foreign matters accumulated on the third valve seat | 06-23-2011 |
20120085958 | PLASTIC FORMED INFLATION MOUTH STRUCTURE - A plastic formed inflation mouth structure comprises a plastic formed body which is integrally formed with an inflation mouth by plastic injection molding. The inflation mouth includes an inflation apparatus passage and a restoration unit that are integrally formed. The inflation apparatus passage unit is formed with a notch for passage of an inflation apparatus to perform the inflation or deflation. The restoration unit applies an elastic restoration force onto the notch to make the notch assuredly enclose the inflation apparatus during the inflation and ensure a high airtightness when inflation is stopped. | 04-12-2012 |
20120091381 | Uni-directional valve, filtering face mask - A uni-directional valve for an air path of a ventilation device. A flexible valve element is held biased in a housing of the uni-directional valve to close at least one air passage located in a sealing section and with a sealing portion to at least partially open the air passage if the valve element is impinged by a sufficient air pressure against the bias. The valve element is designed as cylinder and the sealing portion is located on the lateral surface of the cylinder. The sealing portion is located opposite to a support portion located on the lateral surface of the cylinder. The support portion interacts with a support section of the housing. The distance between the support section and the sealing section of the housing is smaller than the distance between the support portion and the sealing portion in the unbiased state of the valve element. | 04-19-2012 |
20120267560 | REPLACEABLE RELIEF VALVE FOR MULTIPLE CYLINDER / GAS APPLICATIONS - A modular relief valve having an increased number of exhaust passages is provided. The modular configuration allows for the entire relief valve to be installed as a unit into the relief valve cavity on a service valve. The relief valve includes at least two exhaust passages. The additional passages allow a greater flow rate than traditional relief valves. | 10-25-2012 |
20120305822 | ELECTRONIC CONTROL VALVE HAVING AN INTEGRAL NON-CONTACT NOISE MITIGATION DEVICE - An electronic control valve having a valve stationary portion defining a substantially central bore extending along an axis of the valve, and a valve train including a movable member of the valve. The valve train moveable member is disposed in the central bore, and the valve train is adapted for reciprocal movement along the axis. A mass is engaged is with the valve train and adapted for reciprocal movement along the axis. A biasing means is disposed between the valve train and the mass. Reciprocal movements of the mass along the axis induced by forces exerted along the axis by the valve train are transmitted through the biasing means, whereby reciprocal movement of the valve train along the axis is dynamically reduced by the mass. | 12-06-2012 |
20130068984 | AIR SHUTOFF SWING GATE VALVE - A swing gate valve is provided having a swing gate, a pivotable shaft having a swing arm disposed thereon such that rotation of the shaft causes rotation of the swing arm, a spring to urge the swing gate toward its closed position, a trigger assembly for securing the swing gate in its open position and for triggering the shaft to rotate including an actuator having a shaft and a receiver in the swing gate to receive the shaft, wherein when the shaft is in an extended position, the shaft is disposed in the receiver and the swing gate is locked in its open position, and wherein actuation of the actuator causes the shaft to withdraw to a retracted position out of the receiver, wherein the spring causes the pivotable shaft to rotate to move the swing gate to its closed position. | 03-21-2013 |
20130126772 | GAS METERING DEVICE WITH SPRING LOADING DEVICE HAVING SERIALLY ARRANGED SPRINGS - A gas metering valve ( | 05-23-2013 |
20130256577 | FUEL SYSTEM VALVE ASSEMBLY - A fuel system valve assembly may include a housing, a spring, and a body. The housing may have a fuel passage defined in part or more by a fuel passage wall. The fuel passage wall may have a seat and a cylindrical section. The cylindrical section may have a constant diameter and may be located downstream of the seat. In use, the body may reciprocate linearly in the housing between an open position and a closed position. The body may be biased to the closed position by the spring. The body may abut the seat when the body is in the closed position. | 10-03-2013 |
20140131609 | VALVE-BODY ARRANGEMENT AND METHOD FOR PRODUCING IT, AND VALVE HAVING THE VALVE-BODY ARRANGEMENT - A valve body arrangement for a hydraulic or pneumatic valve comprises two elements between which a valve body is retained. The two elements are welded together in a first region, preferably by the laser transmission method, and clamp the valve body in a second region with a force. | 05-15-2014 |
251337000 | Springs and spring retainers | 43 |
20080217572 | Safety Valve for a Compressed Gas Container - A safety valve for a compressed gas container having an overflow duct ( | 09-11-2008 |
20080224083 | SNAP-ACTION VALVE FOR EXHAUST SYSTEM - A passive, exhaust pressure actuated valve assembly for placement inside a tubular exhaust conduit is pivotally mounted to an off-center axle for rotation between fully closed and fully opened positions. A bias element forces the valve flap toward the fully closed position. The valve flap is shaped in a manner enabling use of the interior surface of the exhaust conduit to define stops at the full closed and full opened positions. The valve flap shape, in conjunction with the bias element arrangement, enables the flap to lie substantially parallel to a longitudinal axis of the conduit in the fully opened position, which provides for minimum back pressure in the conduit. | 09-18-2008 |
20080290313 | High-Pressure Bi-Directional Valve - A control element of a bi-directional valve is in fluid communication with an outlet pressure and an inlet pressure when the valve is closed such that a sum of the forces applied to the control element result in a net force urging the control element to seat against a valve seat. The valve includes a valve body carrying the valve seat. The control element is balanced on an outlet side of the valve seat such that the outlet pressure applies approximately no net force to the control element. In contrast, the control element is unbalanced on an inlet side of the valve seat such that inlet pressure applies a net force on the control element to bias the control to seat against the valve seat. | 11-27-2008 |
20080296526 | Damping valve for a vibration damper - A damping valve for a vibration damper includes a guide sleeve which slides on the piston rod of a vibration damper. An annular damping valve body which is provided with at least one through-opening is fixed axially by positive engagement on the guide sleeve, and the through-opening is covered at least partly by at least one valve disk which is biased by at least one closing spring which is supported at its end at a spring plate connected to the guide sleeve. The damping valve body and a spring plate which is constructed separate from the guide sleeve form a compression chain between two axially spaced stops of the guide sleeve. | 12-04-2008 |
20090014677 | FUEL INJECTION VALVE - A fuel injection valve is provided with a main body and a valve member. The main body has a fuel passage and a fuel injection opening formed at the downstream-end of the fuel passage. The valve member is provided in the fuel passage. The valve member is configured to move between a first position in which the valve member closes the fuel injection opening and a second position in which the valve member opens the fuel injection opening. The fuel injection valve is further provided with a compression spring disposed in the fuel passage and a spring pin. The compression spring restrains the valve member toward the first position. The spring pin is pressedly inserted into the fuel passage for keeping the compression spring in the fuel passage. A surface of the spring pin has a resistance against sulfur. | 01-15-2009 |
20090020724 | COMBINED CHECK AND CONTROL VALVE - To overcome problems concerning the sticking of the check plate in a combined check and control valve, a stop is provided on the valve rod or a guide element in the vicinity of the valve rod, whose distance to the limiting element is smaller than the maximum stroke and larger than the nominal stroke of the limiting element. | 01-22-2009 |
20090039306 | VALVE ASSEMBLY FOR AIRCRAFT WATER SUPPLY SYSTEM - A valve assembly ( | 02-12-2009 |
20090084999 | Automatically shut off water faucet - A water faucet includes a receptacle engaged into a housing and having a passage communicating with a water outlet of the housing, a valve stem slidably engaged through the passage of the receptacle and having a valve member for controlling the water to flow from the water inlet to the water outlet of the housing, and a piston attached to the valve stem and slidably engaged in a compartment of the receptacle, the valve stem includes one or more orifices and one or more apertures for controlling a fluid to flow between the compartment of the receptacle and a cavity of the valve stem, and a valve element may adjust the flowing of the fluid into and out of the cavity of the valve stem. | 04-02-2009 |
20090101860 | Pump assembly and tappet therefor - A tappet suitable for use with a fluid pump, wherein the tappet comprises a side wall portion and an end face which define an internal chamber of the tappet, the end face having a drive surface for co-operating with a drive arrangement, in use, and a plurality of vents through said end face for allowing fluid flow between the internal chamber and an area outside the tappet. A plurality of longitudinal grooves are formed in an internal surface of said side wall portion, said grooves communicating with respective said vents to form a flow path for fluid into the internal chamber. The invention also relates to a pump assembly having such a tappet. | 04-23-2009 |
20090159829 | CONTROL VALVE FOR A CAMSHAFT ADJUSTER - A control valve ( | 06-25-2009 |
20090278071 | PREMOUNTED UNIT OF A TUBE PORTION AND A THERMOSTAT VALVE - A premounted unit of a pipe stub and a thermostatic valve, said pipe stub comprising a valve seat mechanically biased by a valve spring against the valve seat and resting at its other end against a mating rest element, further comprising an expansible element which is configured between a segment of the pipe stub and the valve member and which opens the thermostatic valve as a function of temperature against the force of the valve spring, said unit further comprising a U-shaped retention yoke of which the central strip rests against the mating rest element and the legs can be connected to an annular cap element thereby recesses being constituted at mutually opposite sides at the inside of the annular cap element and the legs of the retention yoke being fitted at its ends with outwardly pointing hook elements that engage the recesses. | 11-12-2009 |
20090302261 | Self-sealing bite valve - “A liquid dispensing release mechanism that includes an internal seal there of opening and closing when user actuated to release flow and prevent leaking.” | 12-10-2009 |
20100001224 | Valve Spring Retainer - The valve spring retainer includes a base having an outer periphery and a central aperture. The central aperture defines a center axis. At least two tabs extending radially from the base outer periphery relative to the center axis. Each of the tabs have a distal end including an axially extending lip for retaining a spring relative to the retainer. | 01-07-2010 |
20100090152 | Valve for liquid pumps - The invention relates to a valve ( | 04-15-2010 |
20100123094 | FLUID TRANSFER DEVICE - A fluid transfer device for transferring fluid into or out of a fluid vessel, such as a tank, and is particularly useful in transferring fluids with particulates or high viscosity in a substantially aseptic, hygienic, or sterile manner. The device has a body with an elongate passage extending through the body. The body has a proximal end and a distal end. A longitudinally displaceable shaft is disposed in and extends along the passage in the body. A plug sealing the passage is at a first location. A diaphragm sealing the passage is at a second location intermediate the plug and the distal end of the passage. The shaft extends through and is secured to the diaphragm. A fluid transfer opening is located in the passage between the diaphragm and the plug. Longitudinal displacement of the shaft causes the fluid transfer opening to be in fluid communication with a fluid vessel, the diaphragm stretching to accommodate the displacement of the shaft while maintaining an aseptic seal of the passage. | 05-20-2010 |
20100270490 | ANTI-GRADIENT CUPPED SEAT FOR PRESSURE REGULATOR - A regulator having a valve body defining a flow-path for a fluid and having a valve seat, an actuator casing coupled to the valve body, a control member disposed within the actuator casing and adapted for displacement relative to the valve body and the valve seat for regulating a flow of the fluid through the flow-path by moving between an open position and a closed position wherein the control member engages the valve seat, and a spring operatively coupled to the control member and biasing the control member toward the open position. The control member includes a surface facing the valve seat that is recessed. The recessed surface may be a counter-bore, or may have a convex shape, conical shape, or other appropriate recessed surface. So configured, the regulator displaced improved stability in high inlet pressure, low output pressure, high flow rate implementations. | 10-28-2010 |
20100276623 | PRESSURE CONTROL VALVE - A pressure control valve has a non-uniformly tapered valve bore that has an increasing diameter as it extends downstream. An interface angle, defined in part between a valve ball and the valve bore in the area of the smallest gap between them, increases as the valve ball is increasingly displaced away from a valve seat of the valve bore. | 11-04-2010 |
20100294972 | ONE-WAY VALVE OF VARIABLE CAPACITY COMPRESSOR FOR VEHICLE - Disclosed is a one-way valve of a variable capacity compressor for vehicle including: a valve sheet having a coolant inlet formed at the center; a valve case provided over the valve sheet and having a plurality of coolant discharging ports along the circumferential surface; a spool valve selectively opening/closing the coolant inlet and the coolant discharging port in the valve case; and a resilient member provided between the valve case and the spool valve, wherein the plurality of coolant discharging ports are spaced from each other by a predetermined distance and one of the plurality of coolant discharging ports is closed so that the spool valve is brought in tight contact with an inner wall surface of the valve case when the coolant discharging ports are initially opened not to be swayed left and right. | 11-25-2010 |
20110006240 | Retractable and expandable water cooled valve gate useful for sealing a hot processing chamber - A pendulum gate valve including an expandable gate which pivots when unexpanded to selectively block a vacuum or other pressure-differential passage. The valve includes a valve plate sealing one side of the passage and a ring or barrier plate abutting an opposed side of the passage when the gate member is expanded. A compression spring biases apart the valve plate and ring to close the valve by means of respective two-stage hangers attached thereto, extending along the spring, and having distal ends capturing the spring. Pneumatic pressure applied to a pneumatic cavity formed between the middles of the two-stage hangers and accommodating the spring forces apart the valve plate and ring to open the valve in the blocking position. Thereby if pressure fails, the valve fails to a sealed state. The axially movable valve or barrier plate is advantageously water cooled to allow use with a heated processing chamber. | 01-13-2011 |
20110012045 | VALVE CAP FOR A NON-RETURN VALVE - A non-return valve for a hydraulic tensioning system which is used in traction mechanism drives of internal combustion engines and which manipulates a hydraulic fluid flow between a pressure chamber and a reservoir. The non-return valve has a valve body which is inserted in a housing and which is embodied as a ball and which, when the non-return valve is closed, is supported in a spring-loaded fashion against a valve seat of a through-flow cross-section. When the non-return valve is open, the valve body is assigned to a valve seat of the housing and the flow cross-section ( | 01-20-2011 |
20110089359 | SPRING RETAINING SLEEVE - The invention relates to a spring retaining sleeve having a cylinder press-fit connection surface which has a press-fit diameter and a press-fit length. To enable cost-effective production of a stable press-fit assembly, at least one end of the cylinder press-fit connection surface, an optimized insertion chamfer for long press-fit assemblies is provided with a ratio of press-fit diameter to press-fit length of greater than thirty five percent. | 04-21-2011 |
20110175010 | VALVES - Valves, and particularly check valves, are detailed. The valves may isolate a spring or other biasing member from flowing fluid so as to reduce the possibility of damage to the spring caused, for example, by chemicals contained in the fluid. In some versions of the valves, the spring may be positioned within a cavity of a cover sealed from the fluid. | 07-21-2011 |
20110204274 | Valve actuator with customizable overload clutch - A valve of a heating, ventilation and/or air conditioning system includes an actuator with a housing and a shaft which is arranged at least partially in the housing and which can be coupled directly or indirectly to the valve such that the valve can be adjusted during a rotation of the shaft. A hand-operated element can be coupled to the shaft via an overload clutch arranged between the hand-operated element and the shaft which limits a torque which is transmitted onto the shaft by the hand-operated element to a predetermined maximum value. The overload clutch has a coupling element and a replaceable spring element which presses the coupling element against the shaft such that the maximum value for the transmittable torque is dependent on the replaceable spring element. | 08-25-2011 |
20110272616 | VALVE ACTUATOR | 11-10-2011 |
20110284791 | SPRING SEAT FOR USE WITH ACTUATORS - A spring seat for use with actuators is described herein. An example spring seat includes a body having a shoulder to receive an end of an actuator spring, a guide projecting away from the shoulder toward a first surface of the body, wherein the guide is configured to fit within an inner diameter of the coil spring to retain the end coil spring in engagement with the shoulder, and an aperture in a surface of the body opposite the guide, wherein the aperture is configured to receive an end of an adjuster of the pneumatic actuator such the aperture engages the adjuster to substantially reduce tilting of the body and buckling of the spring. | 11-24-2011 |
20110303864 | IRIS-SHAPED VARIABLE VALVE - The present invention relates to an aperture-shaped variable valve which is attached to the inside or end of a pipe to variably control the flow rate or pressure of fluid, such as liquid or gas, flowing along the pipe. As to one usage of the invention, the exhaust noise of an automobile can be controlled because back pressure is variably controlled by the valve attached to a vehicular exhaust system where the flow rate of exhaust gas varies according to the RPM of an engine. Additionally, the flow rate can be measured within a large range through application of the valve to a flowmeter. An operational principle of the valve is to control the cross section of the flow path by contract or release of aperture plates which are initially opened at a constant size by elasticity of a spring. Using the aperture-shaped variable valve, linear control of flow rate or pressure is facilitated, compared with a conventional disc variable valve. Furthermore, control of flow rate or pressure is enabled by a simple method so constitution of a control system is facilitated. | 12-15-2011 |
20110315909 | CONSTANT-RESIDUAL-PRESSURE VALVE - A constant-residual-pressure valve is disposed in a communication passage connecting a high-pressure fuel passage through which pressurized fuel flows with a low-pressure fuel passage through which the fuel flows toward a high-pressure pump. The constant-residual-pressure valve includes a valve body, a spring, and a spring stopper. The valve body can sit on a valve seat formed in an inner passage. The spring biases the valve body toward the valve seat. The spring stopper has a downstream-orifice of which flow passage area is smaller than that of a passage upstream of the valve seat. Thereby, cavitation between the valve body and the valve seat is less generated. | 12-29-2011 |
20120001114 | SHUT-OFF VALVE - This invention relates to a shut-off valve, and primarily to a valve for shutting-off the flow of a fluid such as a mains water supply to commercial premises or a domestic dwelling. The shut-off valve ( | 01-05-2012 |
20120032101 | Pressure Control Valve - The present invention discloses a pressure control valve comprising: a cylindrical valve body which has a bottom wall and a side wall, wherein the bottom wall is provided thereon with an air inlet communicating with a device whose pressure to be limited, the side wall is provided with at least one guiding pin, and the cylindrical valve body has air outlets communicating with an exhausting system; a valve core, which is provided within the cylindrical valve body and in air-tight cooperation with the air inlet; a traveling guiding bar, having a lower end connected to the valve core; a covering fitted rotatablely or up-and-down movably over the cylindrical valve body, for driving the traveling guiding bar to rotate or move up-and-down; a spiral guiding member, which is fitted up-and-down movably over the traveling guiding bar and is provided on its outer surface with spiral grooves into which the at least one guiding pin can be inserted; a pressure spring, having one end pressed against the valve core and the other end standing against the spiral guiding member. | 02-09-2012 |
20120043489 | APPARATUS TO BIAS VALVE CLOSURE MEMBERS - Apparatus to bias valve closure members are described. An example valve includes a valve body having an opening defining a passageway. The opening has an axis that is substantially coaxially aligned with a flow path axis defined by the passageway. A first shaft supports a closure member within the passageway of the valve body and relative to the opening and an end cap removably coupled to the valve body retains the shaft within a bore of the valve body. A spring is disposed between the first seating surface and a second seating surface opposite the first seating surface to provide a force to oppose the weight of the closure member and facilitate alignment of the closure member relative to the opening of the passageway. | 02-23-2012 |
20120091382 | On-off valves for high pressure fluids - An on-off valve that can operate between an open position and a closed position. The on-off valve has a valve body with a cylindrical valve cavity, an inlet, an outlet, and in an open position the inlet is in communication with the outlet. A cylindrical valve cartridge is sealably mounted within a chamber of the valve cavity and has a central cavity facing the valve cavity and a bore forming communication with an atmosphere external to the valve cartridge. A pin extension is movably mounted within the bore. A pin bushing and a pin seal are mounted within the central cavity, and an actuating pin is movably mounted at least partially within the central cavity. A valve poppet is slidably mounted within the valve cavity. In a closed position a first end portion of the valve poppet closes the first outlet, and in an open position the first end portion opens the first outlet. A bias element is mounted to exert a bias force to and urge the valve poppet against the valve cartridge. An actuator is mounted with respect to the valve body and operates the actuating pin between the open position and the closed position of the on-off valve. | 04-19-2012 |
20120126161 | Valve - The invention is an improved valve having a valve body, a valve stem having a valve plug portion and a valve stem portion, and a valve guide having an aperture in which the valve stem portion is received for reciprocal movement of the valve stem longitudinally inside the valve body. A valve seat is supported in the valve body and includes a pair of spaced apart circular valve seat surfaces that each sealingly engage a separate surface of the valve plug portion;. A spring biases the valve plug portion into sealing engagement with the valve seat. The valve seat has a pair of sealing surfaces that are brought in sealing engagement with distinct surface portions of the valve stem to provide improved and redundant sealing function. The valve has improved longevity and reliability. | 05-24-2012 |
20120132841 | VALVE SPRING RETAINER FOR AN INTERNAL COMBUSTION ENGINE AND A METHOD OF MANUFACTURING THE SAME - Oxide film formed on a spring-retaining flange by heat treatment gets unlikely to peel off, thereby improving wear resistance of a contact surface of the spring-retaining flange with a valve spring. The oxide film | 05-31-2012 |
20120138837 | Damping Valve Arrangement For A Vibration Damper - A damping valve arrangement for a vibration damper includes a damping valve body, which has at least one through-flow opening for the damping medium, and at least one valve disk which at least partly covers the through-flow openings under the influence of a closing force. The damping valve arrangement includes at least one spring element which has at least one supporting portion axially supported at another structural component part of the damping valve arrangement, and at least one spring portion disposed at a distance from the supporting portion and which introduces a spring force into the valve disk at least indirectly, wherein the spring force of the spring element is directed counter to the closing force acting on the valve disk, and wherein the spring force of the spring element is less than the closing force of the valve disk. | 06-07-2012 |
20120153207 | VALVE FOR FACILITATING AND MAINTAINING SEPARATION OF FLUIDS AND MATERIALS - Some embodiments include a valve positioned within a test tube to maintain a separation between components of liquid with different densities after centrifugation. The valve preferably includes a cylindrically shaped housing with a conical plug configured to nest within the housing. The plug is not in contact with the housing during centrifugation, but comes into position post-centrifugation. | 06-21-2012 |
20120181471 | FLOW VALVE - A flow valve that may act as either an excess flow valve or a pressure relief valve has a seat and a valve body for sealing against the seat. The valve body has an integral spring arm for biasing the valve body towards or away from the seat to seal or open a flow of fluid, and a magnet cooperating with the spring arm to position the body relative to the seat to maintain the body in a first position during a normal flow condition and maintain the body in a second position in an abnormal flow condition. | 07-19-2012 |
20120241660 | AUTOMATIC FLOW CONTROL VALVE - The present invention refers to an automatic flow control valve which comprises two water passage stages, and it is installed in electric water-heating appliances, such as showers and taps, the purpose of which is to control the activation of the electrical resistance according to the pressure and water flow of the hydraulic system. | 09-27-2012 |
20120261604 | FAIL SAFE RETAINING PLUG ASSEMBLY FOR A SLAM-SHUT SAFETY DEVICE - A fail safe retaining plug assembly for a slam-shut safety device includes a reset pin, a retaining plug attached to the reset pin at a proximal portion, and a safety disk attached to the reset pin at a distal portion. The retaining plug assembly is sufficiently long to prevent the safety disk from falling off of the distal portion before the safety disk contacts a valve seat. The retaining plug assembly is also sufficiently long to prevent the retaining plug from falling off of the reset pin before the safety disk contacts the valve seat. | 10-18-2012 |
20120313030 | SPRING-CAPTURE ASSEMBLY FOR A SPRING-BIASED MECHANISM AND PRESSURE RELIEF VALVE INCLUDING SAME - A spring capture assembly is provided for securing a compression spring of a spring-biased mechanism, such as a spring-biased pressure relief valve, to permit disassembly of the mechanism without risk of damage or injury associate with rapid resiling of the spring from a compressed state. The assembly includes a tool, a housing having an opening for admitting passage of the tool and capturing the spring at one end, a spring retainer, and a compression spring mounted within the housing and captured at one end by said housing and toward an opposite end by the spring retainer. The tool is adapted for mating with the spring retainer and the housing to compress the spring therebetween. The spring capture assembly may be incorporated into a pressure relief valve for venting pressure and/or vacuum from a pressure vessel. Provided also is a method for disassembling a spring-biased mechanism including a spring capture assembly. | 12-13-2012 |
20130037739 | DRIPFREE GASOLINE NOZZLE - A device for reducing drips from a nozzle comprising a valve body comprising a frusto-conical outer surface, a first aperture that receives the stem of a movable valve closure mechanism, and one or more additional apertures that allow fluids to flow through the valve body when the valve is opened. In an exemplary embodiment of the invention, the spring biased movable valve closure mechanism comprises a stem extending in the direction of the longitudinal axis of the valve body, a frusto-conical valve head that maintains a fluid barrier seal with the outer surface, and a spring that biases the valve closure mechanism in the direction of the longitudinal axis of the valve body. | 02-14-2013 |
20130277596 | GUIDE MEMBER FOR USE IN A VALVE ACTUATOR ASSEMBLY - A valve actuator assembly includes a housing having a diaphragm plate and diaphragm disposed within the housing. A stem projection downwardly extends from a bottom surface of the diaphragm plate, and the stem projection is coupled to an actuator stem disposed along a longitudinal axis. A guide member has a top wall and a center aperture that receives the stem projection, and the top wall is biased into engagement with the bottom surface of the diaphragm plate by a spring. The guide member also has a side wall that downwardly extends from the top wall, and an outer surface of the side wall is adapted to engage an inner surface of a spring housing to limit displacement of the diaphragm plate and the actuator stem in a direction normal to the longitudinal axis. | 10-24-2013 |
20130327973 | Quantity Control Valve for Fuel Systems - A quantity control valve of a fuel system comprises an operating element, a valve element, which can be acted upon by the operating element against the force of a valve spring, at least one first housing portion, a guide portion formed on the first housing portion for guiding the operating element, and a valve seat formed on the first housing portion and interacting with the valve element. The first housing portion is produced integrally with the guide portion and the valve seat by powder injection molding. | 12-12-2013 |
20140183397 | Valve Module - The invention relates to a valve module for influencing a fluid supply of a fluid-operated load, comprising a valve housing ( | 07-03-2014 |