LUEFTERKUPPLUNG

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 pu...

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Bibliographische Detailangaben
Hauptverfasser: HALL, LAWRENCE, JOHN, STRONGSVILLE, OH 44136, US, SHAMINE, RONALD, DENNIS, LORAIN, OH 44053, US, FENZEL, THOMAS, DAVID, GRAFTON, OH 44044, US
Format: Patent
Sprache:ger
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Zusammenfassung: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.