Automotive accessory drive pulleys incorporating spiral type one

Details Automotive accessory drive pulleys incorporating spiral type one Automotive accessory drive pulleys incorporating spiral type one

1995-01-10

1997-06-17

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Automatic

19211332, F16D 41064

Patent

active

056389310

ABSTRACT:
An automotive accessory drive linkage is provided with a one-way clutch mounted on any of the pulleys carried by the engine crankshaft, an alternator, an hydraulic pump or generally, on the pulley for any other accessory operated by a belt linked to the engine in order to isolate such driven elements from oscillations in the engine speed.
A spiral one-way clutch especially suitable for incorporation in automotive accessory drive system pulley has a high indexing capacity. Such clutch, installed between the pulley shive and spindle operates to suppress belt oscillations during low speed engine operation, placing less critical demands on a belt tensioner, if present. It also operates to prevent belt slippage during periods when the engine is forced to decelerate rapidly during up-shifts of the transmission, effectively eliminating "belt squeal".

REFERENCES:
patent: 2866349 (1958-12-01), Heckethorn
patent: 3444748 (1969-05-01), Sutaruk
patent: 4341294 (1982-07-01), Kerr

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