Class / Patent application number | Description | Number of patent applications / Date published |
137539000 | Ball valves | 20 |
20080210314 | Fluid jet with noise reducing sleeve - Pressure actuated oil jets have long been used to cool the underside of the pistons in such reciprocating engines. The present disclosure is a fluid jet for providing fluid under pressure to a desired location. The fluid jet comprises a valve body, at least one fluid passage extending longitudinally within at least a portion of the valve body, a fluid pressure actuated valve element located within the valve body and moveable longitudinally therein between a valve open position and a valve closed position, and a sleeve extending inwardly within said valve body, wherein said valve element is retained within said sleeve when oil pressure drops below a predetermined threshold. | 09-04-2008 |
20080289703 | Hydraulic Check Valve Assembly - A ball check valve for use in a hydraulic chain tensioner. The ball check valve contains a check ball, a ball seat having a passage for the flow of hydraulic fluid, a coil spring to urge the check ball toward the ball seat and a retainer to house these components. The retainer has at least two peripheral walls along its longitudinal axis, each of which is either substantially planar or slightly convex so that the check ball contacts a single point on each peripheral wall as it travels between full compression of the coil spring and secure abutment with the ball seat. The gaps or openings between the peripheral walls minimize turbulence in the flow of hydraulic fluid. | 11-27-2008 |
20080295900 | Fluid jet for providing fluid under pressure to a desired location - A fluid jet for providing fluid under pressure to a desired location is disclosed wherein the valve body includes and integral valve element retaining region. Preferably, the valve body and integral valve element retaining region are die cast as a one-piece component. More specifically, the fluid jet includes a die cast one-piece valve body having a valve element retaining region extending longitudinally within at least a portion of the valve body, at least one fluid passage extending longitudinally within at least a portion of the valve body and in fluid communication with at least a portion of the valve element retaining region, and at least one fluid-exiting aperture through the valve body in fluid communication with the at least one fluid passage. | 12-04-2008 |
20090217990 | Valve Sealant Fitting and Manufacturing Method - Disclosed are a valve sealant fitting and a method of manufacturing the same, which not only allows a sealant to be rapidly and easily injected but also prevents a leakage, which result in a more facilitated manufacturing process with reduced costs and a superior mechanical quality. | 09-03-2009 |
20090235995 | FUEL DELIVERY MODULE REGULATOR VALVE - A pressure responsive regulator valve particularly suitable for a vehicle fuel system includes a substantially monolithic T-shaped body having a first bore defining a substantially unrestricted fluid flow path therethrough and a second bore in fluid flow communication with the first bore. A pressure responsive valve is provided in the second bore to open and close a fluid flow path through the second bore. | 09-24-2009 |
20090301583 | SMALL ENGINE FUEL SYSTEM - A small engine fuel system includes a vent valve configured to be disposed within a tank having at least a portion of a filler pipe defined therein. The filler pipe includes an upper portion configured to receive a fluid and a lower portion located at a predetermined depth in the tank, where the predetermined depth defines a liquid fill level of the tank. The small engine fuel system further includes spring valve arranged in series with the vent valve. The spring valve is configured to close during a refilling event, thereby substantially preventing overfill of the tank with the fluid. | 12-10-2009 |
20090308468 | Fuel pressure regulator valve assembly - A flow through pressure regulator apparatus and method for directing a flow of fuel and reducing valve seat wear within a fuel system. Present invention includes a lower housing having fuel inlet where fuel flows through the fuel inlet and communicates with a valve assembly and valve biasing member. The valve assembly comprises a lower and upper valve member where the lower valve element contains a plurality of fuel passages. The valve biasing member permits or inhibits fuel flow through the lower valve member by opening and closing an upper valve member. The valve biasing member comprises a flat disk having at least two reticulated concentric rings coupled by at least one bridge. The fuel flows past an open upper valve member through the plurality of fuel passages that encircle the lower valve member to the valve biasing member. The valve biasing member then diffuses the flow of fuel. A fuel cover directs the flow of fuel from the valve biasing member to the fuel outlet. | 12-17-2009 |
20100051118 | Flow Control Valve, Typically a Check Valve for Cryogenic, Oxygen and High Pressure Air Valves - A flow control valve for use in oxygen systems. The flow control valve has a body within an inlet and an outlet. A seat is located within the body and a ball retainer is located within the body. The ball retainer is able to capture a ball. The flow control valve also has biasing means connected to the ball retainer. Furthermore, the biasing means is movable between a flow and a non-flow position. The ball retainer is in a closed position when the ball, captured by the ball retainer, engages the seat to prevent gas flowing through the seat. | 03-04-2010 |
20110209780 | FOAM SPRAY GUN HOSES WHICH PREVENT CROSSOVER - A variably tensionable check valve with a first end and a second end that includes a housing, a tension adjuster, a resiliently deformable elastic member, and a flow restriction member biased in a closed position. The housing includes a first portion, a second portion, and first and second passageways with a transition portion therebetween. The second portion includes at least one peripherally extending raised rib and a second internal passageway. The surface area of a cross-section of the first internal passageway is greater than the surface area of a cross-section of the second internal passageway. The tension adjuster, the elastic member, and the flow restriction member are located within the first internal passageway, wherein the tension adjuster secures the elastic member and the flow restriction member within the first internal passageway, and wherein rotational movement of the tension adjuster modifies the biasing force of the elastic member. | 09-01-2011 |
20120227840 | CHECK VALVE OF HYDRAULIC BRAKE SYSTEM - Disclosed is a check valve of a hydraulic brake system. The check valve includes a valve housing which includes a tapered front end having a smaller diameter than a middle end, the cylindrical middle end extending from the front end by a predetermined length to allow the ball and spring to be accommodated within the middle end, a rear end stepped from the middle end to have a greater diameter than the middle end, and a flange circumferentially bent from the rear end to have a greater diameter than the rear end, and a valve seat having an outer diameter equal to an inner diameter of the rear end so as to be press-fitted into the rear end of the valve housing. The check valve having a simplified configuration achieves size and weight reduction and is manufactured at low cost and high processing efficiency using pressing. | 09-13-2012 |
20130025713 | Hydraulic Coupling Member With Pressure-Relieving Poppet Valve - A poppet valve for a hydraulic coupling member has an internal, spring-loaded check valve (which may be a ball check valve) in fluid communication with a bleed passage. The check valve may be configured as a pressure-relief valve which bleeds off excess hydraulic fluid pressure within the coupling member to a preselected value. A poppet valve according to the invention may be used in female coupling members and/or male coupling members. Certain embodiments of the invention may be retrofitted to coupling members of the prior art. | 01-31-2013 |
20130199636 | CHECK VALVE OF BRAKE SYSTEM - Disclosed herein is a check valve of a brake system to enable easy processing and assembly through a simplified structure. The check valve for brake systems includes a valve sheet housing press-fitted to a step of a hydraulic block provided with an oil passage, the valve sheet housing including an upper part having an opening and a lower part having an open/close hole to form an oil channel in an inner part, a ball provided in the valve sheet housing to open or close the oil channel, and a spring to elastically support the ball, wherein the valve sheet housing is provided in the upper part thereof with a plurality of fixing protrusions that protrude in an inside diameter direction along a circumference of the opening to support the spring. | 08-08-2013 |
20140345718 | FLUID EVACUATION VALVE WITH BREAK-AWAY GROOVE - A device for removing oils, fuels and other fluids from reservoirs is disclosed that works in conjunction with engine-powered devices via a vacuum-actuated valve containing a multi-tiered U-groove. The U-groove allows a disconnection of the valve bolt shaft from the threaded end that fits inside the reservoir, trapping and holding the fluid in the reservoir. | 11-27-2014 |
20150101688 | Flow Restrictor with Ball and Throttle - A device for limiting the feed of fuel out of a high-pressure supply via a controllable injector into the combustion space of an internal combustion engine comprises a housing including a pressure supply-side housing inlet, an injector-side housing outlet, and at least one duct having a throttle, and a closing member longitudinally displaceable in a chamber between an initial position and an end position, spring-prestressed opposite to a flow direction, and configured to control a flow connection between the housing inlet and the housing outlet. The housing inlet is connected to the housing outlet via the at least one duct, and the at least one duct runs radially outside the chamber. | 04-16-2015 |
20150362086 | CHECK VALVE FOR A FLUID FLOW REGULATION SYSTEM - Embodiments include a flow regulating device. The flow regulating device may include a check valve. The check valve can have a first flange, a second flange and a ball seated against a seat defined by the first flange. The check valve is in a closed position when the ball is seated against the first flange. One or more stoppers may be positioned at a distance from the first flange. A fluid may flow through a first orifice and a second orifice defined in the first and second flanges respectively, when the first check valve is in an open position. The fluid lifts the ball from the first orifice, and pushes the ball towards the second orifice. The stoppers abut the ball when the first check valve is in a fully open position. | 12-17-2015 |
20160091103 | AUTOMATIC PRESSURE RELIEF DEVICE FOR WATER PURIFIER - A pressure relief device used in a water purifier for ejecting abnormal water pressure is disclosed. The device includes a T-shaped tube composed of a connecting tube and a valve tube. The connecting tube has a main channel. The valve tube is formed with a connecting hole communicating with the main channel and an inner hole communicating with the connecting hole. The connecting hole is less than the inner hole in diameter to form a step therebetween. A plug is fastened to an outer end of the valve tube and has a trough therein. The trough communicates with the inner hole. A ball is placed in the inner hole on the step to normally bung the connecting hole. A compression spring is placed in the inner hole and clamped between the ball and the plug to elastically push the ball. | 03-31-2016 |
20160169174 | High-Pressure Fuel Pump having an Outlet Valve | 06-16-2016 |
20190145537 | COINED SEAT FOR METAL-TO-METAL SEATING | 05-16-2019 |
137539500 | With follower | 2 |
20140311597 | Compact Fuel Pressure Regulator - A flow-through pressure regulator includes housing structure having a fuel inlet and a fuel outlet. A seal band is defined by the housing structure. A valve element is movable between open and closed positions. The valve element has a sealing surface that engages the seal band in the closed position to prevent fuel from passing from the fuel inlet to the fuel outlet. A compression spring is disposed in the housing structure. The spring is constructed and arranged to bias the valve element to the closed position in opposition to pressure exerted on the valve element by fuel at the fuel inlet. A guide member is associated with the valve element and is constructed and arranged to align the valve element with respect to the seal band. A calibration member is associated with an end of the spring and is constructed and arranged to pre-set compression of the spring. | 10-23-2014 |
20160153319 | TAPPET TIP GEOMETRY FOR A PRESSURE CONTROL VALVE | 06-02-2016 |