Camshaft driving mechanism

Details Camshaft driving mechanism Camshaft driving mechanism

1990-04-27

1991-10-22

Herrmann, Allan D.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

123 9031, 123 9015, 74 1563, 474 84, F01L 104

Patent

active

050584588

ABSTRACT:
A camshaft driving mechanism in an internal combustion engine is disclosed. It comprises a crank sprocket, a cam sprocket and an idler sprocket disposed therebetween, a first timing chain entrained on the crank sprocket and idler sprocket, and a second timing chain entrained on said idler sprocket and cam sprocket. The improvement resides in that the first timing chain is sized smaller than the second timing chain.

REFERENCES:
patent: 2479617 (1949-08-01), Hawley et al.
patent: 4750455 (1988-06-01), Ebesu
patent: 4878461 (1989-11-01), Sapienza, IV et al.

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