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| Number | Title | Issue Date |
| 7445194 | Bellows for idle air control valve of vehicle An idle air control valve for a vehicle includes a housing (21), a motor (32) disposed in the housing, a shaft (29) associated with the motor, and a bellows assembly (30) including a bellows structure (10) having a first end defini... | 11/04/2008 |
| 7357373 | Pilot-type two-port valve A two-port valve includes a valve part configured to open and close a valve seat in a liquid flow path connecting a first port and a second port by a valve member and a pilot-type valve driving mechanism to open and close the valve member through a rod. The rod pass... | 04/15/2008 |
| 7322560 | Coaxial valve A coaxial valve includes a valve box having an inlet opening, an outlet opening, and a common flow channel. An axially movable cylindrical valve casing has an opening for a fluid inlet port and an opening for a fluid outlet port, both of which are joined up in the f... | 01/29/2008 |
| 7270311 | Pendulum gate valve A pendulum gate valve includes a housing defining a valve chamber, the valve housing having a vacuum-chamber opening in a front wall and an access opening in a rear wall aligned with the vacuum-chamber opening and defining a through-hole extending from one side of t... | 09/18/2007 |
| 7267137 | Deadweight pressure standards using non-hysteresis sylphons A deadweight pressure standard provides improved measurement accuracy and repeatability. The standard includes a flow regulator having a first valve controlled by a first pair of non-hysteresis sylphons, and a supply regulator having a second valve controlled by a s... | 09/11/2007 |
| 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 |
| 7155896 | Combustor drain valve A system for draining fuel from the combustion chamber of a gas turbine engine in the event of a false start includes associated passageways and a straight through flow pilot air actuated poppet valve. The valve is normally open and actuated by the pilot air to clos... | 01/02/2007 |
| 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 |
| 7100895 | Travel-transmitting element for an injection valve Disclosed is a travel-transmitting element for an injection valve, comprising a pressure-loaded storage chamber which is filled with a hydraulic fluid and a storage element that is provided with an elastomeric bellows-type member. In order to ensure sufficient stead... | 09/05/2006 |
| 7083161 | Method and apparatus for providing vacuum isolation A gate valve assembly provides vacuum isolation between a first treatment system and a second treatment system. The gate valve assembly includes an actuator rotatably coupled to at least one of the first treatment system and the second treatment system, and configur... | 08/01/2006 |
| 7066399 | Fuel injector A fuel injector for fuel-injection systems of internal combustion engines having a piezoelectric or magnetostrictive actuator, includes a hydraulic coupler which actuates a valve-closure member (3) formed on a valve needle. The valve-closure member cooperates... | 06/27/2006 |
| 7044407 | Fluid dosing device with a throttle point A fluid dosing device for a pressurized liquid is disclosed, which comprises a chamber (35) which is supplied with pressurized liquid by means of a liquid supply line (17, 19); a valve needle (9) which is guided through the chamber (35), ... | 05/16/2006 |
| 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 |
| 7011295 | Vacuum regulating valve A vacuum regulating valve is capable of precisely controlling the flow of a fluid so that the flow rate may increase gradually in an initial stage of a valve opening operation. The vacuum regulating valve includes a valve casing having a valve chamber and provided w... | 03/14/2006 |
| 6994110 | Piezoelectric valve The valve comprises a mobile needle having a movement in the valve body which is controlled by an amplified piezoelectric actuator. A bellows, surrounding an intermediate zone of the needle, is integral at a first end with the valve body and at a second end with the... | 02/07/2006 |
| 6916012 | Sanitary drain valve design A valve for sampling a process from a tank or conduit includes an internal cavity in communication with at least one inlet and an outlet. A valve actuating rod includes a sealing tip attached to one end thereof. The valve actuating rod is movable to open and close t... | 07/12/2005 |
| 6905108 | Control valve flow adjustment device A valve includes a fluid inlet passage having a fluid inlet, a fluid outlet passage, an orifice between the fluid inlet passage and the fluid outlet, and a moveable valve plug adapted to move with respect to the orifice to vary the flow of fluid between the fluid in... | 06/14/2005 |
| 6874531 | Relief valve In a conventional relief valve having a valve element supported by a diaphragm, since a surface of the valve element exposed to pressure is large and an opening/closing operation of the valve element is rapidly conducted, the operation often leads to chattering and ... | 04/05/2005 |
| 6874761 | Pivot actuated sleeve valve A valve assembly has a valve body and a fluid passage through the valve body with an inlet end and an outlet end. A valve seat is defined within the fluid passage. A sleeve is axially slidable within the fluid passage and has an upstream end, a downstream end, and a... | 04/05/2005 |
| 6866015 | Sealing structure in direct acting type auto-by starter To prevent the entry of ambient air and liquid such as rainwater into a direct acting type auto-by starter and thereby prevent the formation of rust in the auto-by starter, by adjusting pressure fluctuations in the auto-by starter caused by the operation of a starti... | 03/15/2005 |
| 6832628 | Variable pressure regulated flow controllers The present invention is an intrinsically safe pneumatically actuated flow controller. A preferred embodiment for the flow controller has a housing assembly defining an inlet port, an outlet port, a pressure signal inlet port, and a main flow path extending between ... | 12/21/2004 |
| 6805152 | Poppet valve with heater A cylindrical heat-generating member is disposed in a valve casing including a valve seat in a flow path connecting main ports, a valve member for opening and closing the valve seat, and a rod connecting the valve member and a piston. A first heater is mounted in th... | 10/19/2004 |
| 6748969 | Poppet valve with heater To constitute a poppet valve with a heater by providing a heater which heats a valve member at a fixed position inside valve casing without attaching the heater to the valve member, a rod or the like which is a movable member as necessary. In a valve casing 1 | 06/15/2004 |
| 6712289 | Fuel injection valve A fuel injection valve, especially an injection valve for fuel injection systems of internal combustion engines, includes a piezoelectric or magnetostrictive actuator and a valve-closure member, which can be actuated by an actuator via a valve needle and interacts w... | 03/30/2004 |
| 6708721 | Vacuum valve with heater A heater and a temperature sensor are mounted to a valve member driven for opening and closing through a piston and a rod, primary conductors extending from the heater and the temperature sensor are connected to a terminal block mounted to the piston, a secondary co... | 03/23/2004 |
| 6685166 | Valve assembly A valve assembly for creating a seal between a valve stem and a valve housing includes a valve housing having a first end wall, a second end, and a peripheral wall extending between the first and second ends walls such that a lumen is defined. Each of the... | 02/03/2004 |
| 6669170 | Vacuum valve A vacuum valve comprising valve housing (1), a continuous line (3) in the valve housing (1) the conductance of which is to be set; a movably supported valve body (5) extending into the line (3) and having a position (H) which defines a conductance through... | 12/30/2003 |
| 6668854 | Poppet valve with heater To allow the whole outer peripheral face of a casing of a poppet valve to be heated efficiently using an inexpensive rod-like heater. A heat transfer cover 30 formed of heat transfer material is provided in a covering manner on an outer peripheral face of... | 12/30/2003 |
| 6561484 | Gate valve A gate valve according to the present invention including a first valve plate having a valve opening, a second valve plate connected to the first valve plate via first bellows, and an actuator provided between the first valve plate and the second valve pl... | 05/13/2003 |
| 6561483 | Gate valve A gate valve according to the present invention including a first valve plate having a valve opening and a second valve plate connected to the first valve plate via a first bellows, in which the rigidity and the like of the valve plates, a valve rod, and ... | 05/13/2003 |
| 6543748 | Linear motion leadthrough A linear motion leadthrough for a rod which has a first end, a second end and an outer surface and whose first end projects into a vacuum area of a vacuum installation while its second end is located outside of the vacuum area, comprises: a bushing which ... | 04/08/2003 |
| 6505812 | Solenoid valve A valve assembly including a body having an inlet port, an outlet port, and a valve seat having a passageway. An electrical solenoid assembly moves a valve member upon being energized to control fluid flow between the inlet and the outlet ports. The valve... | 01/14/2003 |
| 6494229 | Pilot-type two-port vacuum valve In a vacuum valve including a main flow path and an auxiliary flow path for connecting a chamber port and a pump port in parallel, a main valve body for opening and closing a main valve seat in the main flow path, and an auxiliary valve body for opening a... | 12/17/2002 |
| 6491059 | Smooth exhaust valve A smooth exhaust valve includes a main flow path having a large cross-sectional area and an auxiliary flow path having a small cross-sectional area for connecting a first port and a second port in parallel, a main valve body for opening and closing the ma... | 12/10/2002 |
| 6394418 | Bellows actuator for pressure and flow control An actuator for controlling the pressure of fluid, such as water or steam, from a fluid source to a flow controlling orifice. The actuator can be used to apply such fluids to the web of a papermaking machine. The actuator comprises a housing having a firs... | 05/28/2002 |
| 6311950 | Fluid metering device A fluid metering device that employs a sealing element for delivering a metered dose of a pressurized fluid. The sealing element includes a metal bellows sealing element or metal bellows that attaches to a valve needle and a housing. The metal bellows inc... | 11/06/2001 |
| 6305665 | Bellows for sealing a valve rod passage in a globe valve The invention relates to a bellows to seal a valve rod passage in a lifting valve, specifically formed as an expansion bellows or corrugated tube, which ensures a reliable, hygienically proper and durable static sealing of the connecting flange of a closi... | 10/23/2001 |
| 6302374 | Extended stem globe valve An extended stem globe valve for use with cryogenic fluids, wherein the elongated shaft between the valve seal or disk and the actuator is constructed so that rotational movement of the actuator results in linear movement of the shaft, without imparting a... | 10/16/2001 |
| 6270055 | Hydraulic shut-off valve In a hose coupling with a coupling sleeve and a coupling nipple and a valve insert (9) provided therein, the valve spring, the holding element and the valve seat of the valve insert are designed as a one-piece component, and the valve spring (11) has a ca... | 08/07/2001 |
| 6253972 | Liquid dispensing valve A liquid valve particularly suited for dispensing of glue at high repetition rate has a solenoid-retracted pin that normally engages a valve seat to close the valve. Glue under pressure enters the chamber in which the pin operates, close to the valve seat... | 07/03/2001 |
