Camshaft drive for V-type or horizontally opposed engine

Details Camshaft drive for V-type or horizontally opposed engine Camshaft drive for V-type or horizontally opposed engine

1993-08-30

1994-03-22

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

F01L 102

Patent

active

052954595

ABSTRACT:
A camshaft driving device for a V-type engine or a horizontal opposed engine, staggers the times of the collisions of one crankshaft sprocket and one chain or other and the collisions of another crankshaft sprocket and another chain to reduce overall engine noise. Two crankshaft sprockets, mounted on the crankshaft, are angularly related to each other so that when the meshing starting point on the tension side of one crankshaft sprocket one chain is radially aligned with a top land of the one sprocket, the meshing starting point on the tension side of the other crankshaft sprocket and the other chain is aligned with a bottom land of the last-mentioned sprocket.

REFERENCES:
patent: 5010859 (1991-04-01), Ogami et al.
patent: 5014655 (1991-05-01), Ampferer
patent: 5033421 (1991-07-01), Shimada et al.
patent: 5178108 (1993-01-01), Beaber
patent: 5216989 (1993-06-01), Iwata et al.

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