Accessory drive system

Machine element or mechanism – Gearing – Interchangeably locked

Patent

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Details

74664, 74856, 74866, F16H 542, F16H 560

Patent

active

045023450

ABSTRACT:
A two speed ratio accessory drive system especially for use with an automotive engine in which the accessories are driven either from the engine crankshaft or from the engine camshaft. A clutching system controlled to respond to needs and/or operating conditions is used to change the speed ratio between a high speed ratio and a low speed ratio.

REFERENCES:
patent: 2809535 (1957-10-01), Hein et al.
patent: 2903083 (1959-09-01), Kelley
patent: 2910891 (1959-11-01), Heckethorn
patent: 4080843 (1978-03-01), Underwood
patent: 4257508 (1981-03-01), Bennett et al.

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