| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137150190 | Fluid actuated or retarded | 20 |
| 20090032112 | Methods of Packaging Valve Chips and Related Valve Assemblies - A valve chip may include a substrate having first and second faces and openings between the first and second faces, and a plurality of flexible valve flaps on one of the faces of the substrate with each flexible valve flap being associated with at least one of the openings. The valve chip may be packaged by forming a frame having an opening therein, and securing the valve chip in the opening of the frame. More particularly, the valve chip may be secured in the opening so that central portions of the first and second faces of the substrate are exposed through the opening in the frame and so that a fluid seal is provided between the frame and edges of the substrate. Related valves, valve assemblies, and methods are also discussed. | 02-05-2009 |
| 20120285551 | NOSE SEAL FOR SURGE RELIEF VALVES - In accordance with one embodiment of the present invention, a seal for a surge relief valve includes a) a valve housing having a flow inlet and a flow outlet; b) an annular retainer for coupling a plug to an interior of the valve housing, the retainer having a first end oriented toward the flow inlet and a second end remote therefrom; c) the plug having a first end oriented toward the flow inlet and a second end remote therefrom, the plug having a mating junction for coupling with the second end of the retainer, the plug having a first countersink, a second countersink, a first lip defined between the first and second countersinks and a second lip adjacent the second countersink; and d) an annular plug seal having a first end oriented toward the flow inlet and a second end remote from the first end for mating with the second countersink and a lip that abuts the second end of the retainer. | 11-15-2012 |
| 20130133755 | Slam-Shut Safety Device Having a Cage - A slam-shut device includes an inlet, an outlet, a valve seat, and defines a flow path. A valve disc is shiftable between an open position and a closed position, and reset pin responsive to an actuator is coupled to the valve disc and shifts between an untripped position and a tripped position. A cylindrical cage is mounted within the valve body and is disposed in the flow path, and includes a plurality of flow apertures slidably receives the valve disc. The cage includes a first end adjacent the valve seat and a second end away from the valve seat, and the cage forms a cylindrical recess disposed adjacent the second end of the cage and spaced from the flow apertures. | 05-30-2013 |
| 20130233406 | Systems And Methods For A Three Chamber Compensation Network - Systems and methods for a three chamber compensation network for pressure regulators are disclosed. For example, one described pressure regulator includes: an inlet port; a primary chamber coupled to the inlet port by a main valve; an outlet chamber coupled to the primary chamber by one or more venturi; and a control chamber coupled to one or more of the venturi by one or more sensing holes, the control chamber comprising a movable piston configured to vary the position of the main valve. | 09-12-2013 |
| 20130233407 | RELIEF VALVE - A relief valve ( | 09-12-2013 |
| 20130240051 | ALIGNMENT SYSTEM FOR FLAPPER VALVE - A valve assembly, including a seat and a flapper complementarily formed with respect to the seat for creating a seal at an interface therebetween. At least one shim is operatively disposed in the valve assembly for altering a position of the flapper relative to the seat in at least one direction for aligning the flapper and the seat at the interface. A method of aligning the flapper and seat of a valve assembly is also included. | 09-19-2013 |
| 20130248006 | BALANCED VALVE CARTRIDGE - A pressure reducing valve including a balanced valve cartridge. The balanced valve cartridge has a retainer including a central bore. A valve seat and a valve plug are disposed within the central bore and cooperate to open and close the valve. A cap closes one end of the central bore, the cap including a blind bore for receiving a portion of the valve plug. Downstream fluid pressure is transmitted into the blind bore through a hollow portion of the valve plug, thus balancing the valve plug within the retainer. | 09-26-2013 |
| 20130291953 | PRESSURE REGULATOR - A pressure regulator ( | 11-07-2013 |
| 20130312840 | VALVE ACTUATOR SYSTEM - A valve actuator apparatus and method for preventing latitudinal movement of a diaphragm actuator spring. The downstop is fitted with spring retainers to prevent latitudinal movement of the spring upon compression. | 11-28-2013 |
| 20140048148 | PRESSURE RELIEF VALVE WITH SINGULAR BODY - A pressure relief valve includes a singular body that encloses a seat and a stationary shim, a poppet, within the singular body, that is forced against a seat by a spring attached to the stationary shim, and a pin inserted into the pressure relief valve body to lock the pressure relief valve into a housing bore. The poppet includes a nose extension that extends into a void enclosed by the seat to provide damping. The seat includes a non-threaded stepped region on its outer surface and the singular body includes a complementary stepped region on its inner surface such that when the seat is fit into the singular body, the stepped region of the seat and the complementary stepped region of the singular body interface with each other to prevent movement of the seat toward the spring. The pin includes a coating to reduce friction and galling. | 02-20-2014 |
| 20140109983 | High Pressure Relief Valve Spring Assembly - In one featured embodiment, a spring assembly for a valve comprises a spring, a spring seat including a cup-shaped portion for seating one end of the spring, and a ball received within a recess formed within the cup-shaped portion of the spring seat. The ball is defined by a ball diameter. A disc prevents the ball from contacting a piston. The disc is defined by an outer diameter and includes a center opening defined by an inner diameter. A ratio of the inner diameter to the ball diameter is between 0.60 and 0.65. | 04-24-2014 |
| 20140196798 | DIAPHRAGM CHECK VALVES AND METHODS OF MANUFACTURE THEREOF - Microscale valves for use in, e.g., micropump devices, may be formed of a slitted diaphragm bonded to the interior of a valve tube. A bump in the diaphragm and/or a backward-leakage stopper may increase the breakdown pressure of the valve. A push-rod may be used to pre-load the valve membrane to thereby increase the cracking pressure. | 07-17-2014 |
| 20150377372 | CONVERTIBLE VALVE WITH RETAINED CONVERSION ELEMENT - A convertible valve having a conversion element retained in a seat to convert a valve gate from bidirectional flow to unidirectional flow. The convertible valve includes a valve gate moveable between a first open position and a second closed position, a seat moveable between a first position and a second position, and a conversion element retained in the seat. The seat, in its first position, maintains the valve gate in its first open position. With the valve gate in the first open position, the convertible valve allows bi-directional fluid flow. Fluid flowing through the convertible valve creates downward force on the conversion element and the seat. Upon reaching a predetermined force, the seat moves to its second position allowing the valve gate to move to its second closed position. With the valve gate in the second closed position, the convertible valve allows only unidirectional fluid flow. | 12-31-2015 |
| 20160025233 | PRESSURE RELIEF VALVE WITH SINGULAR BODY - A pressure relief valve includes a singular body that encloses a seat and a stationary shim, a poppet, within the singular body, that is forced against a seat by a spring attached to the stationary shim, and a pin inserted into the pressure relief valve body to lock the pressure relief valve into a housing bore. The poppet includes a nose extension that extends into a void enclosed by the seat to provide damping. The seat includes a non-threaded stepped region on its outer surface and the singular body includes a complementary stepped region on its inner surface such that when the seat is fit into the singular body, the stepped region of the seat and the complementary stepped region of the singular body interface with each other to prevent movement of the seat toward the spring. The pin includes a coating to reduce friction and galling. | 01-28-2016 |
| 20160040663 | CHECK VALVE - A check valve includes an internal liquid trap that prevents the backflow of gas and debris from degrading the valve. The internal liquid trap can be formed by internal passages within a valve housing. One embodiment includes a plurality of concentric fluid passages, connected by a set of radial conduits. | 02-11-2016 |
| 20160040792 | CHECK VALVE FLAPPER - A check valve flapper for a check valve is provided and includes a flapper body and a hinge portion extending from the flapper body. The hinge portion includes a lower ear, a middle ear, and an upper ear. The lower ear, the middle ear, and the upper ear each include a hinge pin hole having a hinge pin hole diameter and an ear outer radius. A ratio of the hinge pin hole diameter to the ear outer radius is between 0.83 and 0.91. | 02-11-2016 |
| 20160040799 | CHECK VALVE HOUSING - A check valve housing for a check valve is provided and includes check valve housing body. First and second hinge supports extend from the check valve housing body. A stop is coupled to the first and second hinge supports. The first hinge support includes a first hinge pin interface having a first hinge pin hole to receive a hinge pin. A ratio of a diameter of the first hinge pin hole to a thickness of the first hinge pin interface is between 2.44 and 2.66. | 02-11-2016 |
| 20160096517 | ABDW TO ABDX-R CONTROL VALVE CONVERSION - A system for converting an ABDW-type control valve to an ABDX-type control valve for use in a braking mechanism for a railway vehicle includes an ABDW-type control valve body in communication with an air supply system of the braking mechanism for controlling an application and release of brakes in response to changes in air pressure within the braking mechanism. A breather plate is mounted on an accelerated application valve interface on the control valve body. The breather plate has an internal stability volume for compensating a function of an accelerated application valve. A modified slide valve bushing is mounted inside the control valve body for establishing fluid communication with at least one passageway within the control valve body. At least one plug mounted is to at least one air passageway within the control valve body for sealing or choking the at least one air passageway. | 04-07-2016 |
| 20160131271 | NON-RETURN VALVE FOR A TUBULAR CONSOLIDATION ELEMENT - A non-return valve fitted on a tubular element for use for the reinforcement and consolidation of soil, for example, in an excavation. The non-return valve includes a portion of elastomer material which has a nick and is connected to a structural body tightened onto the tubular element. The structural body can be connected rigidly to the portion of elastomer material or may be at least partially incorporated therein. The body has a central portion with a window within which the nick is arranged, and the edges of the nick open out and function as a non-return valve under the action of a fluid under pressure injected into the interior of the tubular element and emerging from radial holes in the vicinity of the nick. | 05-12-2016 |
| 20220137653 | COOLER BYPASS MANIFOLD, METHOD FOR MODIFYING COOLER BYPASS MANIFOLD AND KIT FOR MODIFYING COOLER BYPASS MANIFOLD - A modified cooler bypass manifold includes a manifold body having an inlet conduit, an outlet conduit, a return conduit, a thermal valve bore, a pressure valve bore and an intermediate conduit. A plug may be installed in the thermal valve bore. In another embodiment, a modified cooler bypass manifold includes an OE manifold body, a first inlet conduit, a second inlet conduit, a first outlet conduit, a second outlet conduit and a valve bore. The modified cooler bypass manifold may also include a pressure bypass valve assembly disposed in the valve bore. An OE end cap and retaining ring may be disposed in the valve bore and operably connected to the pressure bypass valve assembly and the OE manifold body. | 05-05-2022 |
