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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 8096522 | Pressure regulator for gaseous media A pressure regulator can be used particularly in a CNG-operated motor vehicle as an electronically controlled pressure reducer for maintaining the gas pressure constant on the injection valve used for filling the respective cylinder. The pressure regulator is compos... | 01/17/2012 |
| 7815162 | Valve arrangement The invention concerns a valve arrangement (1) with a housing (2), an inlet connection (3) and an outlet connection (4), which are connected with each other via a flow path, in which is located a dosing device (5), which has a valv... | 10/19/2010 |
| 7694934 | Diaphragm valve for irrigation systems A diaphragm valve is disclosed that is adapted to reduce debris in the flow paths, reduce the water hammer effect, reduce the energy lost during flow, and/or improve bleed operation. The diaphragm valve includes at least two seals that are configured to permit multi... | 04/13/2010 |
| 7690622 | Diaphragm-type electromagnetic valve with closing-force strengthening mechanism An auxiliary valve member, an auxiliary pilot pressure chamber for applying a pilot fluid pressure to the auxiliary valve body, and a transmitting rod for transmitting operating force of the auxiliary valve body to a main diaphragm are provided other than the main d... | 04/06/2010 |
| 7669830 | Three position shutoff valve A valve comprises a valve body and a shutoff assembly. The valve body includes an inlet, an outlet, and a fluid flow passage therebetween. The shutoff assembly includes a poppet and a piston. The poppet is movable between a closed position, a partially open position... | 03/02/2010 |
| 7520487 | Valve arrangement with piezoelectric control The present invention provides a gas valve arrangement having at least one main valve that has a valve closure element which is connected with a fluid-actuated drive device. A pilot valve is connected to the drive device so as to control it by a pilot fluid flow, an... | 04/21/2009 |
| 7475863 | Piston for reverse flow diaphragm valve An improved, reverse-flow diaphragm valve assembly having a valve member encased within a valve housing including a base portion, having inlet and outlet ports, and a bonnet. The valve member is carried by a resilient diaphragm in a pressure chamber. In a preferred ... | 01/13/2009 |
| 7357367 | Embedded high temperature valve A high temperature valve for controlling gas flow includes an outer vessel, a valve housing, and a valve element. The valve housing is disposed at least partially within, and is at least partially surrounded by, a propellant gas flow passageway that is formed in the... | 04/15/2008 |
| 7334770 | Solenoid isolation valve An improved pilot-operated, “instant-on”, solenoid isolation valve discloses a new fluid passage route to save cost of drilling a longitudinal hole within the primary piston. Also, a new feature of primary piston assembly with a movable seal piston having a spec... | 02/26/2008 |
| 7331562 | Blowout preventer with breech assembly A blowout preventer which, in certain aspects, has a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one breech assembly secured to the main body, ram apparatus movable within the breech assembly ... | 02/19/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7270310 | Electromagnetic valve and vapor fuel treating system applying the same A first connecting pipe of an electromagnetic valve connects with the fuel tank, and a second connecting pipe connects with a canister. A spring urges a moving core and a first valve body in a closing direction of a electromagnetic valve. A shaft of the first valve ... | 09/18/2007 |
| 7264019 | Controlled-flow hydraulic distributor The hydraulic distributor exhibits a cylindrical and internally-hollow body (2) having an inlet chamber (3) for a fluid and an outlet chamber (4) which are interconnected directly (by a communication conduit), or indirectly by an external distri... | 09/04/2007 |
| 7258058 | Metering valve with integral relief and makeup function A metering valve for a work machine hydraulic system is disclosed. The metering valve has an inlet and an outlet, a main poppet, and a solenoid-operated pilot element. The main poppet is movable to pass fluid from the inlet to the outlet, and to block fluid from the... | 08/21/2007 |
| 7246787 | Solenoid valve assembly A valve assembly comprised of a solenoid coil, having a coil bore, and being operative to produce a magnetic field when subject to an electric signal, a fixed magnetic pole piece within the coil bore, a generally cylindrically and axially translatable armature with ... | 07/24/2007 |
| 7232107 | Control valve having a filter screen mounted flush with a valve closure member surface A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a... | 06/19/2007 |
| 7232106 | Tilted and stepped diaphragm for control valves A diaphragm operated valve having the diaphragm attached at its lower end to a valve closure plug, and movable therewith, and attached at its upper end to a portion of valve body that forms the pressure cavity. The diaphragm has a stepped portion between its upper a... | 06/19/2007 |
| 7232110 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 06/19/2007 |
| 7222639 | Electrostatically actuated gas valve A gas valve body with a first flow chamber and, a second flow chamber including and a main valve positioned in line and between the first flow chamber and the second flow chamber. The main valve can be opened by creating a pressure differential across the main valve... | 05/29/2007 |
| 7188822 | Enclosures for automatic bathroom flushers A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 03/13/2007 |
| 7178704 | Electrically-operated dispenser An electrically-operating liquid dispenser having an U-shaped pole. Windings of an electromagnetic coil are wound about the legs of the U-shaped pole and are energized selectively for moving an armature relative to the pole to open and close the dispenser. The U-sha... | 02/20/2007 |
| 7163188 | Solenoid valve for fluid flow A solenoid valve is provided that comprises a valve body having an inlet and an outlet, and a movable member for moving a valve element away from a valve seat to open the valve. The moveable member engages and moves the valve element away from the seat to an open po... | 01/16/2007 |
| 7156363 | Bathroom flushers with novel sensors and controllers A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl... | 01/02/2007 |
| 7121522 | Device for the regulation of flow applied to flow valves working under pressure differential A device for regulating flow comprises a main valve operating under differential pressure wherein the main valve has a main flow inlet and a main flow outlet. The main flow inlet is equipped with a valve seat over which a main shutter is adjusted in a perpendicular ... | 10/17/2006 |
| 7100889 | Miniature electrically operated solenoid valve A miniature solenoid valve including a housing defining an axial passage with a valve seat formed integral with the housing and including a minute flow orifice in fluidic communication with the axial passage. A magnetic actuator is positioned within the axial passag... | 09/05/2006 |
| 7083156 | Automatic proximity faucet with override control system and method A hands-free device includes a sensor, a motor, a pilot valve, a gear train, an arm, and, an override control. The pilot motor opens the pilot valve when an activation signal is received from the sensor. The arm is coupled to the gear train, and the override control... | 08/01/2006 |
| 7066141 | Linear control valve for controlling a fuel injector and engine compression release brake actuator and engine using same A linear control valve is disclosed regulating the flow of fluid to hydraulically activated devices, preferably a fuel injector and an engine compression release brake. The valve includes a valve member that is moveable between a first position in which the fuel inj... | 06/27/2006 |
| 7040595 | Constant flow rate expansion valve A constant flow rate expansion valve includes a refrigerant passage having a fixed flow path cross-sectional area smaller than that of a refrigerant inlet, a differential pressure control valve for controlling the differential pressure (P1−P2) betwee... | 05/09/2006 |
| 7028561 | Fuel dispenser fuel meter error detection device, system and method A flow switch used in conjunction with a fuel meter in a fuel dispenser to determine when fuel is flowing. A flow switch can only be activated if fuel is flowing through the flow path of the flow switch. If fuel is flowing as indicated by the fuel flow switch, but t... | 04/18/2006 |
| 7028975 | Flush valve structure A flush valve structure to control flush water through a pressure difference mainly includes a case, a solenoid assembly, an upper intermediate board, a lower intermediate board and a main water ball. The upper intermediate board has a small water pressure release h... | 04/18/2006 |
| 7025325 | Flow control valve Disclosed is a flow control valve capable of controlling a flow amount of air, gas or fluid inside a pipe. The flow control valve has a relatively simple structure, which can reduce manufacturing expenses, minimize malfunction and wrong driving, and allow a rapid re... | 04/11/2006 |
| 7011081 | Double-pintle emission control valve having a one-piece double-seat element A cylindrical-walled seat element (50) in a double-pintle (42) EEGR valve (20) is a machined metal part in which two substantially identical apertures (62, 64) collectively span essentially a semi-circumference of the seat element wall ( | 03/14/2006 |
| 7007915 | Low energy fluid actuator control element A pilot valve has: an input passageway, an output passageway, a rotatable shaft disposed between them, a permanent magnet affixed to the rotatable shaft, an electromagnet, a control element, and a failsafe magnet. The rotatable shaft has a slot that gives the rotata... | 03/07/2006 |
| 7007916 | Low flow valve improvement The present invention illustrates an irrigation valve that operates at low flows by providing a guide washer of the valve assembly that prevents diaphragm extrusion. Specifically, the circular channel area of a guide washer of the valve includes spoke-like fins. The... | 03/07/2006 |
| 6994234 | Electrically-operated dispensing module Electrically-operated dispensing modules capable of dispensing small volumes of a viscous liquid at high operating frequencies and reproducibly among successive dispensed volumes of viscous liquid without the occurrence of stringing. The dispensing module may includ... | 02/07/2006 |
| 6994107 | Easy-to-install, mechanically-operated automatic/manual device for controlling an outlet for water or any fluid This invention refers to an Automatic/Manual Device for Controlling Outflow of Water or any Fluid, with Mechanical Functioning and Easy Installation. It has a threadable intake nozzle for the inflow of water or any other fluid. The nozzle can be turned to direct the... | 02/07/2006 |
| 6991211 | Pneumatically actuated valve A pneumatically actuated fluid control valve includes a piston and a piston actuator including a permanent magnet. First and second piston actuator positions for magnetically disposing the piston in valve open and valve closed positions are provided. A pneumatic act... | 01/31/2006 |
| 6986497 | Thruster gas control mechanism A thruster gas control mechanism for controlling a flow of thrust gas through a gas nozzle, the mechanism having a plunger movable into and out of the gas nozzle, the plunger being connected to two movable baffles. The two baffles form two channels with two side wal... | 01/17/2006 |
| 6974114 | Double valve flusher A double valve flusher includes a body, a separating plate, an upper and a lower valve base, a movable valve, a film valve, a fixing member, and an electromagnet. An upper leak room is formed between the film valve and the upper valve base. A leak room is formed bet... | 12/13/2005 |
| 6971232 | Hydraulic drive system and improved control valve assembly therefor A control valve assembly (43) for use in a system in which a pump-motor unit (35) can either receive drive torque from a drive-line (17) or transmit torque thereto. The system includes a high pressure accumulator (41) and the control valv... | 12/06/2005 |
