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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8141849 | Valve body and seal assembly A valve body and seal assembly comprises a valve body symmetrical about a longitudinal axis and comprising a circumferential seal retention groove and a frusto-conical valve body impact area for contacting a valve seat. An elastomeric seal is cast-in-place in the ci... | 03/27/2012 |
| 8091864 | Valve for a fluid flow connector having an overmolded plunger A fluid flow connector and a method of manufacturing the same wherein the fluid flow connector utilizes a valve having a plunger which is made by overmolding a soft exterior to a hard core. The soft exterior being overmolded to the hard core by either insert or mult... | 01/10/2012 |
| 7591450 | Valve body and seal assembly A valve body and seal assembly comprises a valve body having one or more circumferential seal retention grooves and a dual-durometer elastomeric seal cast-in-place in at least one groove. Each seal comprises first and second sections in contact along a substantially... | 09/22/2009 |
| 7513483 | Valve body and seal assembly A valve body and seal assembly comprising a valve body having one or more peripheral integral seal retention grooves and one or more peripheral single-durometer and/or dual-durometer elastomeric seals, each seal being cast-in-place in an integral seal retention groo... | 04/07/2009 |
| 7357371 | Isolation valve seal Methods and apparatus for sealing an aperture that provides fluid communication between a second and first chamber of a dual chamber orifice fitting. A sealing assembly comprises a closure member that is rotatably moveable between an open and closed position relativ... | 04/15/2008 |
| 7357151 | Fluid control devices Improved fluid control devices are provided for metering pressure effectively in environments that may contain solid particles and in which the ambient pressure is subject to change. Such a valve comprises a valve body containing a plunger assembly contacting a firs... | 04/15/2008 |
| 7334603 | Check valve A check valve has an elastic valve body portion and an inelastic valve body portion and a valve seat. The valve body is fixed to a valve shaft, and a valve body abutment plate for abutting the elastic valve body portion is supported to the valve shaft. The valve bod... | 02/26/2008 |
| 7334598 | Pressure regulator adaptable to compressed gas cartridge This pressure regulator is specifically designed to operate with a portable compressed gas cartridge thus reducing the high vapor pressure found in compressed gas cartridges down to a substantially consistent outlet pressure. Due to the nature of the crowded regulat... | 02/26/2008 |
| 7222837 | Valve body with integral seal retention groove A valve body having at least one internal hollow or space comprises two separately formed portions joined by at least one cylindrical web. Internal space may communicate with space outside the valve body via a fluid passage, and internal space may be filled with a s... | 05/29/2007 |
| 7172175 | Suction valve A suction valve including a valve seat and a piston movably joined to the valve seat. The piston has a head for engaging the top surface of the valve seat and a stem extending downwardly from the head through the valve seat. A valve guide is positioned adjacent the ... | 02/06/2007 |
| 7168440 | Valve body and seal assembly A valve body and seal assembly comprising a top-stem-guided valve body having at least one cast-in-place elastomeric seal insert in a peripheral seal retention groove and a cast-in-place top guide stem sleeve is made by pouring and curing liquid elastomer in at leas... | 01/30/2007 |
| 7159846 | Slit valve for a semiconductor processing system A slit valve for a semiconductor processing apparatus, for fluidly sealing a passage connecting two chambers of the apparatus, such as a substrate reaction chamber and a region outside the reaction chamber. The slit valve comprises an actuator plate movable within a... | 01/09/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7108013 | Relief valve assembly A relief valve assembly is disclosed to include a casing, an one-way valve mounted in the fluid input end of the casing for guiding in a fluid, and a relief control valve installed in the casing between the fluid input end and fluid output end and controllable to re... | 09/19/2006 |
| 7086276 | Temperature correction method and subsystem for automotive evaporative leak detection systems A method and sensor or sensor subsystem permit improved evaporative leak detection in an automotive fuel system. The sensor or sensor subsystem computes temperature-compensated pressure values, thereby eliminating or reducing false positive or other adverse results ... | 08/08/2006 |
| 7070166 | Powdered metal inlay Methods and apparatus are disclosed for making substantially nonporous powdered metal (P/M) inlays on substrates using hot-isostatic-pressure (HIP). Methods described herein differ from conventional practice in their use of new apparatus for steps including: formati... | 07/04/2006 |
| 7040301 | Fuel system with integrated pressure management A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel system. The integrated pressure management system also performs a leak dia... | 05/09/2006 |
| 7025084 | Integrated pressure management system for a fuel system An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head spa... | 04/11/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 6978981 | Taps for controlling liquid flow The invention discloses a tap (10) for controlling liquid flow. The tap (10) has a tube (14) with first (16) and second (18) opposite open ends, an inlet opening (20) leading into the tube between the first and second open e... | 12/27/2005 |
| 6969048 | Valve element for supplementary control valve device The valve element is composed of a valve stem, at one of whose ends a valve head is arranged, said valve head being of concave design in the direction of the valve stem, having on the outside a continuous annular region and having at least two cutouts between the an... | 11/29/2005 |
| 6959718 | Valve There is provided a valve enabling complete prevention of leakage and a backflow and having durability and less noise, and further there may be implemented a valve capable of predicting the tendency of occurrence of damage on the functions of the valve before the fu... | 11/01/2005 |
| 6955339 | Valve body with integral seal retention groove A valve body has one or more integral seal retention grooves and one or more interior hollows which may be manufactured using frictional or other types of welding to join two previously formed portions through at least one cylindrical web. Forging or casting valve b... | 10/18/2005 |
| 6935369 | High pressure oxygen valve A high pressure valve for oxygen service comprises a valve body (10) with a gas passage (12) and a valve seat (18) associated with the gas passage (12). An obturation unit (22) is movable between a first position, wherein it is spa... | 08/30/2005 |
| 6931919 | Diagnostic apparatus and method for an evaporative control system including an integrated pressure management apparatus A diagnostic appartus and method for a fuel system that supplies fuel to an internal combustion engine. The fuel system includes a fuel tank that has a headspace and a filler occluded by a removable cap, a charcoal canister in fluid communication with the headspace,... | 08/23/2005 |
| 6932322 | Valve body of an on-off valve and a method for manufacturing the same A valve body of an on-off valve that minimizes the deviation of opening and closing characteristics of a valve member made of an elastic polymer material and provided in a valve body of the on-off valve due to expansion caused by the fluid handled thereby and that m... | 08/23/2005 |
| 6910500 | Integrated pressure management system for a fuel system An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel tank, a canister that collects volatile fuel vapors from the head spa... | 06/28/2005 |
| 6896238 | Extended range diaphragm valve and method for making same A micro-machined valve assembly includes a valve diaphragm that will not adhere to a valve seat during elevated temperature operation. The valve assembly has a valve seat, a diaphragm suspended over the valve seat, the diaphragm configured to contact the valve seat ... | 05/24/2005 |
| 6840504 | High-pressure switching valve device A high-pressure switching valve device. A valve main body pressed to contact with an end face of a valve seat when the high-pressure switching valve device is closed, and a seal member pressed to contact with the end face of the valve seat when the high-pressure swi... | 01/11/2005 |
| 6776360 | Spray gun with improved needle shut-off valve sealing arrangement A gun-like spray device having a spray nozzle assembly at the discharge end and a reciprocatably movable valve needle for controlling the liquid flow through the discharge nozzle assembly. The nozzle assembly includes an orifice member which defines a liquid dischar... | 08/17/2004 |
| 6698719 | Seal arrangement for a vacuum valve A seal arrangement for a vacuum valve with a valve body in which is arranged a valve opening having a longitudinal axis and which has an inner jacket surface surrounding the valve opening and forming a valve seat, and with a valve plate which closes the v... | 03/02/2004 |
| 6698720 | Valve member with a crimped gasket, and a method of manufacturing such a member In a valve member adapted to co-operate with an annular seat and comprising a plate with an annular channel for receiving a gasket which is crimped by folding in an outer wall of the channel, any risk of the gasket being ruptured is minimized by the outer... | 03/02/2004 |
| 6676108 | Control valve A control valve includes a valve body and a valve seat mounted within the valve body. A valve element is mounted in the valve body and bears in a closed position on the valve seat to block a fluid passage formed in the valve body. An actuating rod is conf... | 01/13/2004 |
| 6629682 | Vacuum valve A vacuum valve comprises a wall with a valve opening and a valve seat, a valve plate which is pressed against the valve seat in the closed state, an elastic sealing ring which is arranged at the valve plate or at the valve seat and, in the closed state of... | 10/07/2003 |
| 6517076 | Sealing method, new seal for components of fluid transfer systems, especially tubes, and their applications, especially in pumps and circuits for special fluids The invention concerns a new seal system for resolving the problem of the contamination of special fluids carried in pumps and moreover providing improved sealing by virtue of its special geometry and design. According to the invention, one of the element... | 02/11/2003 |
| 6497246 | Pneumatic snap pilot A snap pilot used to pneumatically energize and de-energize a control device, such as a valve. The pilot has two valves--one to admit pilot pressure, and one to exhaust pressure. The pilot incorporates valves having an elastomeric seal but maintaining the... | 12/24/2002 |
| 6453940 | Insert bonded combination valve A combination valve including a metal sleeve and a valve body. The valve body is formed of a resilient material and insert bonded or vulcanized to the metal sleeve and includes a cylindrical elongated member defining a passageway therethrough and an annul... | 09/24/2002 |
| 6354565 | Washer assembly for a faucet A washer assembly 30 includes a resilient sealing member 44 having a cylindrical wall 48 with a first axial end 49 and an opposite second axial end 51. A wall 50 extends radially inward from first axial end 51. The member 44 is seated in a housing 46 havi... | 03/12/2002 |
| 6318400 | Low interflow hydraulic shuttle valve The hydraulic shuttle valve has two coaxial supply ports and a transverse function port to direct fluid coming from alternative control sources to a blow out preventor (BOP). The valve includes a moveable shuttle with opposing tapered metal sealing surfac... | 11/20/2001 |
| 6227223 | Valve and actuator in combination The present invention provides an interchangeable modular valve-actuator combination whereby the valve stem on the valve and the actuators are configured to be interchangeably engageable. The components of the valve-actuator are sized accordingly so that ... | 05/08/2001 |
