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Class Information
Number: 251/129.03
Name: Valves and valve actuation > Electrically actuated valve > With nonelectrical actuator
Description: Subject matter also including an alternative actuator which does not require electrical energy to move the valve.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7407147 |
Automatic flush actuation apparatus |
Aug. 5, 2008 |
| 7380528 |
Method for operating a hydraulic actuator, especially a gas exchange valve of an internal combustion engine |
Jun. 3, 2008 |
| 7320146 |
Sensor plate for electronic flushometer |
Jan. 22, 2008 |
| 7284570 |
Electrically powered valve for controlling, monitoring and evaluating fluid flow |
Oct. 23, 2007 |
| 7264017 |
Dual-actuator aircraft environmental control system valve |
Sep. 4, 2007 |
| 7249748 |
Electric motor actuated stop and self-closing check valve |
Jul. 31, 2007 |
| 7232110 |
Automatic flush actuation apparatus |
Jun. 19, 2007 |
| 7225771 |
Method and device for pressure pulse generation |
Jun. 5, 2007 |
| 7192004 |
Electric driving device for a valve |
Mar. 20, 2007 |
| 7156367 |
Gas control knob that is operated manually or automatically |
Jan. 2, 2007 |
| 7146947 |
Arrangement for adjusting the angle of rotation of a camshaft relative to a crankshaft |
Dec. 12, 2006 |
| 7104283 |
Normally open hydraulic control valve |
Sep. 12, 2006 |
| 7100628 |
Electromechanically-assisted regulator control assembly |
Sep. 5, 2006 |
| 7086358 |
Method and device for controlling the speed of the valves of an internal combustion engine |
Aug. 8, 2006 |
| 7083158 |
Remote operable corporation stop for water supply sources |
Aug. 1, 2006 |
| 7082913 |
Valve characteristic changing apparatus for internal combustion engine |
Aug. 1, 2006 |
| 7055795 |
Drive mechanisms for valve actuators |
Jun. 6, 2006 |
| 7028977 |
Automatic flush actuation apparatus |
Apr. 18, 2006 |
| 7014163 |
Pilot-controlled electromagnetic valve |
Mar. 21, 2006 |
| 7014166 |
Faucet device operatable either manually or automatically |
Mar. 21, 2006 |
| 6991211 |
Pneumatically actuated valve |
Jan. 31, 2006 |
| 6986341 |
Apparatus for detecting fuel-vapor gas leaks, and vent valve apparatus applied to this apparatus |
Jan. 17, 2006 |
| 6974118 |
Automatic flush actuation apparatus |
Dec. 13, 2005 |
| 6968816 |
Oil flow control valve |
Nov. 29, 2005 |
| 6966337 |
Means for auxiliary manual operation |
Nov. 22, 2005 |
| 6966285 |
Engine valve actuation control and method |
Nov. 22, 2005 |
| 6959910 |
Solenoid valve having manually-operated device |
Nov. 1, 2005 |
| 6948463 |
Cylinder head |
Sep. 27, 2005 |
| 6935287 |
System and method for actuating an engine valve |
Aug. 30, 2005 |
| 6929238 |
Electric motor actuated stop and self-closing check valve |
Aug. 16, 2005 |
| 6928966 |
Self-regulating electrohydraulic valve actuator assembly |
Aug. 16, 2005 |
| 6923424 |
Automatic flush actuation apparatus |
Aug. 2, 2005 |
| 6902143 |
Manual override assembly for pilot-operated valve |
Jun. 7, 2005 |
| 6874535 |
Device and method for operating at least two valves |
Apr. 5, 2005 |
| 6845961 |
Automatic flush actuation apparatus |
Jan. 25, 2005 |
| 6840496 |
Automatic flush actuation apparatus |
Jan. 11, 2005 |
| 6840497 |
Electromagnet for actuating a hydraulic valve |
Jan. 11, 2005 |
| 6820650 |
Solenoid valve with electromagnetic and pneumatic switching subassemblies |
Nov. 23, 2004 |
| 6810840 |
Internal combustion engine and method for the operation thereof |
Nov. 2, 2004 |
| 6772990 |
Capacity control valve |
Aug. 10, 2004 |
| 6739293 |
Hydraulic valve actuation systems and methods |
May. 25, 2004 |
| 6681732 |
Control device for switching intake and exhaust valves of internal combustion engines |
Jan. 27, 2004 |
| 6662821 |
System and method for closing an existing valve in response to a detected leak |
Dec. 16, 2003 |
| 6655329 |
Variable valve train for a cam activated lifting valve of an internal combustion engine |
Dec. 2, 2003 |
| 6585230 |
Housing for an integrated pressure management apparatus |
Jul. 1, 2003 |
| 6572075 |
Valve for controlling flow rate of gas |
Jun. 3, 2003 |
| 6527248 |
Solenoid valve with a manual control pushbutton |
Mar. 4, 2003 |
| 6510825 |
Internal combustion engine for motor vehicles and the like |
Jan. 28, 2003 |
| 6478285 |
Electrically operated fitting |
Nov. 12, 2002 |
| 6446685 |
Closure valve for a fluid container |
Sep. 10, 2002 |
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