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Class Information
Number: 123/90.11
Name: Internal-combustion engines > Poppet valve operating mechanism > Electrical system
Description: Device wherein electrical energy provides the source of power for at least one direction of movement of the valve.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600738 |
Output shaft coupling structure of electrically operated control valve |
Oct. 13, 2009 |
| 7600494 |
Operation of electrically actuated valves at lower temperatures |
Oct. 13, 2009 |
| 7594486 |
Engine control system |
Sep. 29, 2009 |
| 7591237 |
Electromechanical variable valve actuator with a spring controller |
Sep. 22, 2009 |
| 7588002 |
Programmable high speed valve actuator and power supply therefor |
Sep. 15, 2009 |
| 7584727 |
Permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine |
Sep. 8, 2009 |
| 7578270 |
Heat activated valve system |
Aug. 25, 2009 |
| 7574982 |
Engine cycles |
Aug. 18, 2009 |
| 7568457 |
Valve driving device for multi-cylinder internal combustion engine |
Aug. 4, 2009 |
| 7559309 |
Method to start electromechanical valves on an internal combustion engine |
Jul. 14, 2009 |
| 7556027 |
Internal-combustion engine control method and engine using same |
Jul. 7, 2009 |
| 7557472 |
Valve drive for a gas exchange valve |
Jul. 7, 2009 |
| 7549406 |
Engine shut-down for engine having adjustable valve timing |
Jun. 23, 2009 |
| 7540264 |
Initialization of electromechanical valve actuator in an internal combustion engine |
Jun. 2, 2009 |
| 7540265 |
Valve actuating device |
Jun. 2, 2009 |
| 7533656 |
Exhaust valve arrangement and a fuel system incorporating an exhaust valve arrangement |
May. 19, 2009 |
| 7532972 |
Method of torque control for an engine with valves that may be deactivated |
May. 12, 2009 |
| 7527027 |
Abnormality determination apparatus for intake amount control mechanism |
May. 5, 2009 |
| 7513231 |
Valve gear of internal combustion engine |
Apr. 7, 2009 |
| 7509931 |
Power electronics circuit for electromechanical valve actuator of an internal combustion engine |
Mar. 31, 2009 |
| 7511475 |
Mobile member speed sensor |
Mar. 31, 2009 |
| 7506623 |
Camshaft adjustment device for an internal combustion engine |
Mar. 24, 2009 |
| 7487749 |
Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator |
Feb. 10, 2009 |
| 7475662 |
Actuator for valve lift controller |
Jan. 13, 2009 |
| 7472669 |
Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith |
Jan. 6, 2009 |
| 7464674 |
Induction air acoustics management for internal combustion engine |
Dec. 16, 2008 |
| 7461619 |
Valve apparatus for an internal combustion engine |
Dec. 9, 2008 |
| 7462129 |
Driveline shift quality in variable valve engine equipped drivelines |
Dec. 9, 2008 |
| 7458345 |
Adjusting ballistic valve timing |
Dec. 2, 2008 |
| 7451728 |
Electronic controlled system for engines |
Nov. 18, 2008 |
| 7448359 |
Multi-mode internal combustion engine |
Nov. 11, 2008 |
| 7448592 |
Poppet valve device and electronic controlled fuel injection apparatus equipped with the device |
Nov. 11, 2008 |
| 7448350 |
Internal combustion engine with electronic valve actuators and control system therefor |
Nov. 11, 2008 |
| 7441519 |
Engine valve actuation system |
Oct. 28, 2008 |
| 7438032 |
Method and device for controlling an internal combustion engine |
Oct. 21, 2008 |
| 7438030 |
Actuator operated microvalves |
Oct. 21, 2008 |
| 7430996 |
Electromagnetically driven valve |
Oct. 7, 2008 |
| 7428887 |
Electromagnetically driven valve |
Sep. 30, 2008 |
| 7426911 |
Enhanced permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine |
Sep. 23, 2008 |
| 7418932 |
Electromagnetically driven valve |
Sep. 2, 2008 |
| 7418931 |
Electromagnetically driven valve |
Sep. 2, 2008 |
| 7418930 |
Method and device for controlling variable gas exchange valve in an internal combustion engine |
Sep. 2, 2008 |
| 7415950 |
Engine valve control system and method |
Aug. 26, 2008 |
| 7409754 |
Apparatus for closing fluid passages of engines |
Aug. 12, 2008 |
| 7406931 |
Control apparatus for internal combustion engine |
Aug. 5, 2008 |
| RE40439 |
Method to control electromechanical valves |
Jul. 22, 2008 |
| 7387094 |
Electromagnetically driven valve |
Jun. 17, 2008 |
| 7370614 |
Electromagnetically driven valve |
May. 13, 2008 |
| 7367295 |
Exhaust control valve for internal combustion engine |
May. 6, 2008 |
| 7367296 |
Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine |
May. 6, 2008 |
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