Internal-combustion engines – Poppet valve operating mechanism – Electrical system
Patent
1995-08-01
1997-09-23
Lo, Weilon
Internal-combustion engines
Poppet valve operating mechanism
Electrical system
123 9015, 123308, 123432, 123315, F01L 904, F02B 3100
Patent
active
056693419
ABSTRACT:
In a valve operating system designed to open and close intake valves of an internal combustion engine by an electromagnetic force, a first electromagnetic driving device for electromagnetically driving a first intake valve capable of opening and closing a first intake valve bore and a second electromagnetic driving device for electromagnetically driving a second intake valve capable of opening and closing a second intake valve bore are controlled by a control device in a manner so that when the engine is in a predetermined operational state, the first intake valve is opened and closed in a condition in which the second intake valve has been closed and stopped. Thus, it is possible to produce a swirl equivalent to that produced by changing of the lift amount, to provide a reduction in consumed electric power and to achieve a reliable engine operation, e.g., starting.
REFERENCES:
patent: 5074259 (1991-12-01), Pusic
patent: 5129369 (1992-07-01), Kawamura
patent: 5222714 (1993-06-01), Morinigo et al.
patent: 5269270 (1993-12-01), Suzuki et al.
patent: 5495832 (1996-03-01), Fujii et al.
patent: 5515820 (1996-05-01), Sugimoto et al.
Okuyama Takahiro
Sugai Takashi
Ushirono Akihito
Honda Giken Kogyo Kabushiki Kaisha
Lo Weilon
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