Internal-combustion engines – Poppet valve operating mechanism – Electrical system
Patent
1989-10-13
1990-12-11
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
Electrical system
123198F, F02B 7700, F01L 904
Patent
active
049762281
ABSTRACT:
A control system for controlling intake and exhaust valves of an internal combustion engine includes electromagnetic actuator means for opening and closing the intake and exhaust valves. When the engine is idling, drive signals applied to the electromagnetic actuator means for selected cylinders are cut off, so that only the other cylinders are enabled.
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Isuzu Motors Limited
Lo Weilan
Myhre Charles J.
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