Internal-combustion engines – Poppet valve operating mechanism – Electrical system
Patent
1998-10-28
2000-10-31
Kamen, Noah P.
Internal-combustion engines
Poppet valve operating mechanism
Electrical system
123 9015, F01L 904
Patent
active
061386200
ABSTRACT:
An actuator is connected to one of components forming a power transmitting device capable of transmitting a power provided by a valve operating cam provided on a cam shaft, so that the actuator can drive an engine valve in a lift amount which is obtained by addition of a lift amount of the engine valve based on a cam profile of the valve operating cam and a lift amount of the engine valve based on the operation of the actuator. Thus, a portion of the lift amount of the engine valve is borne by the valve operating cam, whereby a valve-opening power borne by the actuator can be reduced, as compared with a system designed so that the engine valve is driven by only the actuator only. The amount of electric power consumed by the actuator can be smaller.
REFERENCES:
Patents Abstracts of Japan, vol. 009, No. 333 (M-443), Dec. 27, 1985.
Patents Abstracts of Japan, vol. 009, No. 128 (M-384), Jun. 4, 1985 & JP 60 011612 A, Jan. 21, 1985.
Gomi Takeshi
Ishiguro Tetsuya
Nemoto Hirotomi
Ohishi Hidetoshi
Shimasaki Yuichi
Honda Giken Kogyo Kabushiki Kaisha
Kamen Noah P.
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