| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 251332000 | Diverse material seal at valve interface | 9 |
| 20090008591 | Check valve - A check valve assembly with an extended operational life. The check valve assembly includes a poppet with conically shaped arms and planar seating surfaces. The planar seating surfaces conform to seating surfaces in the valve assembly. The poppet moves back and forth between two operative positions. In each operative position, a planar seating surface on the poppet sealingly conforms to another planar sealing surface in the check valve assembly. The use of planar seating surfaces extends the operational life of the check valve assembly. The aerodynamic shape of the conically shaped arms facilitates fluid flow over the poppet and, when fluid flows over the poppet, generates forces that function to minimize movement of the poppet and to maintain the poppet in a desired orientation when the poppet moves from one operative position to another operative position. | 01-08-2009 |
| 20090127488 | Fluid Flow Control Device Having A Seat Ring Retainer - A control valve having a retainer for securing a seat ring within the valve body of the device is disclosed. The seat ring is disposed within a bore in the fluid flow path of the valve body of the control valve, and the retainer is attached to the inner surface of the valve body to retain the seat ring within the bore. The retainer includes threaded openings therethrough for receiving bolts that are tightened down on the seat ring to hold the seat ring against the inner surface of the bore and/or a gasket to form a tight seal and prevent leakage when the control device is in the closed position. | 05-21-2009 |
| 20100140525 | FILLING VALVE APPARATUS FOR A BEVERAGE FILLING MACHINE - A filling valve apparatus for filling a container with a fluid. The apparatus includes a body portion and a stem. A sleeve is disposed over the stem and is removable from the stem and the body portion when the filling valve apparatus is serviced. A seal is mounted to the bottom of the sleeve. At least one component is movably connected to the sleeve and remains connected to the sleeve when the sleeve is removed from the stem and the body portion during the servicing of the filling valve apparatus. Similarly, a valve assembly, having a housing and a movable plunger is removable from the body portion. At least one member is mechanically connected to one of the housing and plunger for creating a unitary valve assembly that remains intact when the valve assembly is removed from the body portion during servicing of the filling valve apparatus. | 06-10-2010 |
| 20140034862 | Tunable Fluid End - Tunable fluid end embodiments comprise a family, each family member comprising a pump housing with at least one installed tunable component chosen from: tunable valve assemblies, tunable valve seats, tunable radial arrays and/or tunable plunger seals. For example, a tunable valve assembly or tunable radial array selectively attenuates valve-generated vibration at its source, thus reducing the likelihood of fluid end failures associated with fatigue cracking and/or corrosion fatigue. Adding tunable valve seats and/or tunable plunger seals to a fluid end facilitates optimal damping and/or selective attenuation of vibration at one or more predetermined (and frequently localized) fluid end resonant frequencies. Thus, the likelihood of exciting destructive resonances in a pump's fluid end housing is further reduced. Optimized vibration attenuation and optimized fluid end damping are provided by altering resonant frequencies in each tunable component in relation to one or more fluid end resonant frequencies and/or tunable component resonant frequencies. | 02-06-2014 |
| 20140034863 | Tunable Fluid End - Tunable fluid end embodiments comprise a family, each family member comprising a pump housing with at least one installed tunable component chosen from: tunable valve assemblies, tunable valve seats, tunable radial arrays and/or tunable plunger seals. For example, a tunable valve assembly or tunable radial array selectively attenuates valve-generated vibration at its source, thus reducing the likelihood of fluid end failures associated with fatigue cracking and/or corrosion fatigue. Adding tunable valve seats and/or tunable plunger seals to a fluid end facilitates optimal damping and/or selective attenuation of vibration at one or more predetermined (and frequently localized) fluid end resonant frequencies. Thus, the likelihood of exciting destructive resonances in a pump's fluid end housing is further reduced. Optimized vibration attenuation and optimized fluid end damping are provided by altering resonant frequencies in each tunable component in relation to one or more fluid end resonant frequencies and/or tunable component resonant frequencies. | 02-06-2014 |
| 20140124692 | Solids-Handling Equipment - A closure component for solids-handling equipment includes a closure body configured to close a solids flow path by displacement of the closure body along a stroke axis and a removable metallic sealing element attached to the closure body. The metallic sealing element is configured sealingly to engage an endless metallic seat spaced radially outwardly from the stroke axis when the closure body closes the solids flow path. The closure body includes or defines at least one locating formation to engage and locate the metallic sealing element. The least one locating formation is positioned radially outwardly from the stroke axis and more radially outwardly from the stroke axis than at least a portion of the metallic sealing element so that at least a portion of the metallic sealing element is positioned between the locating formation and the stroke axis, thereby correctly to locate the metallic sealing element in position relative to the closure body or relative to the stroke axis during fitting of the metallic sealing element to the closure body. | 05-08-2014 |
| 20140353537 | CONTROL VALVE - The present invention relates to a control valve for a fuel injector. The control valve has a control valve body which defines a supply passage for high pressure fuel. A control chamber and a pressure compensating chamber are provided in the control valve. The control chamber and the pressure compensating chamber are both in fluid communication with the supply passage. A control valve member is provided for controlling fuel pressure in the control chamber. The pressure compensating chamber is spaced radially outwardly from the control chamber. The invention also relates to a control valve member having a pressure compensating cavity. | 12-04-2014 |
| 20150123024 | Mechanically Retained Valve Seat - A sealing disk mounting assembly for a regulator includes a mounting member adapted to be operatively attached to a tubular member of a control member assembly of a regulator, a disk holder operatively attached to the mounting member, and an annular sealing disk disposed in an annular channel that is formed between the mounting member and the disk holder. The annular sealing disk is mechanically retained between the mounting member and the disk holder by compressive forces. | 05-07-2015 |
| 20150369091 | POPPET VALVE - A poppet valve includes a head and a stem, which extends from the head. At least a part of the back of the head is covered by a cover with a heat insulating space provided in between. A support portion is provided between the cover and the head to support the cover on the head with rubber member having a lower heat conductivity than that of the head between the cover and the head. | 12-24-2015 |
