CHAIN DRIVE OF INTERNAL COMBUSTION ENGINE VALVE TIMING GEAR AND AUXILIARIES Russian patent published in 2000 - IPC

Abstract RU 2145385 C1

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: proposed invention relates to drives of valve timing gear and engine auxiliaries, such as oil pump. Chain drive has driving sprocket and at least one driven sprocket with closed drive chain passed over sprockets. Flexible damping member installed for rolling over base of working rims is mounted on common base between two working rims of sprocket. Inner diameter of ring exceeds outer diameter of working rim of sprocket. Flexible member is made in form of endless rotating ring manufactured of metallic porous gauze material providing effective damping of vibration impacts and noise absorbing by porous structure. EFFECT: reduced operating noises of engine timing gear and oil pump. 7 dwg

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RU 2 145 385 C1

Authors

Fesina M.I.

Sokolov A.V.

Dates

2000-02-10—Published

1997-12-16—Filed