HYDRAULIC EJECTOR Russian patent published in 1998 - IPC

Abstract RU 2109144 C1

FIELD: devices used in gas distributing mechanism of internal combustion engines. SUBSTANCE: hydraulic ejector has housing 3 formed as hollow cylinder whose one end is closed with bottom, which is in contact with control cam of distributing shaft. Guiding sleeve 5 is fixed in housing 3 to define closed cavity 6 with housing bottom. Guiding sleeve 5 carries hydraulic compensator with cap 8 and piston 10, which define high-pressure chamber filled with oil and having return valve. Cylindrical working surface of piston is provided with annular grooves 16 of rectangular section, with ratio of width b and height h of grooves being within the range of 0.6-1.6. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 1 dwg

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RU 2 109 144 C1

Authors

Chugunov A.S.

Nakhamkes K.V.

Dates

1998-04-20—Published

1994-12-28—Filed