Idler sprocket assembly for a phased chain system

Details Idler sprocket assembly for a phased chain system Idler sprocket assembly for a phased chain system

1996-01-31

1997-11-25

Schoeppel, Roger J.

Endless belt power transmission systems or components

Plural belts or plural output loads

Plural belts having interengaged drive surfaces

474 86, 474152, 474903, F16H 700

Patent

active

056905688

ABSTRACT:
A chain and sprocket system includes a plurality of chains and sprockets. The system includes a crankshaft, an idler shaft and two overhead camshafts. The two sprockets on the idler shaft that connect by chain to drive the camshafts are phased or offset with respect to each other to alter the impact and chordal action generated noise. These idler camshaft sprockets and the idler sprocket of the crankshaft are all manufactured separately and then placed together on a spline or hub. In this way, the idler sprocket assembly consists of four parts, which eases manufacture and assembly.

REFERENCES:
patent: 3949619 (1976-04-01), Kuehl
patent: 4158316 (1979-06-01), Strong
patent: 4889521 (1989-12-01), Nagano
patent: 5427580 (1995-06-01), Ledvina et al.
patent: 5480357 (1996-01-01), Liang
patent: 5569107 (1996-10-01), Mu

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