Valve operating system of internal combustion engine

Details Valve operating system of internal combustion engine Valve operating system of internal combustion engine

1990-04-24

1991-10-22

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9065, 277140, 277205, F01M 910

Patent

active

050585410

ABSTRACT:
A valve operating system for an internal combustion engine has an engine valve having a valve shaft portion and a valve body portion at an end tip of the valve shaft portion. The engine valve is supported on the body of the engine for opening and closing operations. A double cylindrical piston forms an air pressure chamber, with the air pressure biasing the valve in a valve closing direction. A driving member for driving the engine valve in a valve opening direction is operatively connected to the rear end of the valve shaft portion.

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patent: 4662325 (1987-05-01), Okabe et al.
patent: 4858516 (1989-08-01), Klein
patent: 4928644 (1990-05-01), Travis

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