Valve operating system for internal combustion engine

A valve operating system for a multicylinder internal combustion engine, including an air pressure chamber (35I, 35E) for biasing each engine valve (VI, VE) in a closed direction thereof. The air pressure chambers are formed in a member (26I, 26E) positioned between the engine valves and the cam sha...

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Bibliographic Details
Main Authors KADOTA, IWAO, UMEMOTO, ATSUSHI, BUSHIMATA, KIWAMU, ONO, KAZUJI
Format Patent
LanguageEnglish
French
German
Published 14.04.1993
Subjects
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:A valve operating system for a multicylinder internal combustion engine, including an air pressure chamber (35I, 35E) for biasing each engine valve (VI, VE) in a closed direction thereof. The air pressure chambers are formed in a member (26I, 26E) positioned between the engine valves and the cam shaft and the member is formed with an air supply passage (48I, 49E) connected to the air pressure chambers for supplying air thereto and a relief passage (44E, 45I) connected to the air pressure chambers for releasing air therefrom. Air relief valves are provided in the member for individually releasing air from the air pressure chambers to the relief passage. A pressure control valve (77) is connected to the relief passage for controlling pressure in the air pressure chambers for improving the accuracy of the operation of the relief valves and the control of the pressure in each of the plurality of air pressure chambers.
Bibliography:Application Number: EP19920114249