192 clutches and power-stop control – Clutches – Operators
Patent
1987-09-25
1989-05-16
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
192 85CA106.1, 1921062, 464 65, F16D 310, F16D 25063
Patent
active
048301612
ABSTRACT:
A clutch drive for a vehicle engine cooling fan includes a pulley portion which is driven by the vehicle engine, a fan plate which rotatably mounts the engine cooling fan, and a pressure plate which engages the fan plate to drive the latter when the clutch is engaged. Torque transmission from the pulley to the pressure plate is through a series of circumferentially spaced coiled springs which also yieldabel urge the pressure plate into driving engagement with the fan plate. A spring stabilizer defines a circumferentially extending cavity which receives several coils of the spring to stabilize the latter and to prevent displacement of the coils circumferentially with respect to each other during engagement and disengagement of the clutch. The stabilizer also slidably engages both the pressure plate and the pulley, thereby taking up clearances between the various members to prevent rattling and also to assist in the transmission of torque to the pressure plate.
REFERENCES:
patent: 1365957 (1921-01-01), Smith
patent: 1783158 (1930-11-01), Eckart
patent: 2068579 (1937-01-01), Tatter
patent: 4515258 (1985-05-01), Johnson
patent: 4639237 (1987-01-01), Fukuda
Fenzel David T.
Hall John L.
Shamine Dennis R.
Allied-Signal Inc.
Antonis William N.
Bonck Rodney H.
Decker Ken C.
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