Camshaft driving arrangement for double overhead camshaft engine

Details Camshaft driving arrangement for double overhead camshaft engine Camshaft driving arrangement for double overhead camshaft engine

1990-04-11

1990-11-20

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

123 4144, 123195A, 123198C, F01L 102

Patent

active

049710001

ABSTRACT:
A DOHC engine comprises a cylinder block, and a chain which drivingly interconnects a crankshaft and two camshafts. A water pump mounting lug is integrally formed with the cylinder block, and located at the upper portion of a front wall of the cylinder block and below one of the two camshafts. The chain has a loose side defined by that portion thereof which runs between the crankshaft and the one of the camshafts. A movable chain guide bows the loose side of the chain inwardly to define a mounting site of a water pump.

REFERENCES:
patent: 3613645 (1971-10-01), Froumajou
patent: 3730147 (1973-05-01), Buchwald
patent: 4691668 (1987-09-01), West
patent: 4750455 (1988-06-01), Ebesu
patent: 4889087 (1989-12-01), Bergsten

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