192 clutches and power-stop control – Clutches – Operators
Patent
1982-09-27
1985-10-22
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
464 64, 464 68, F16D 366
Patent
active
045483116
ABSTRACT:
A multi-stage torsional damping device for a vehicle clutch having a low-rate primary stage to eliminate transmission gear rattle occurring during neutral transmission position and a normal rate resilient and friction damping stage. The first stage consists of a low spring rate, substantially frictionless floating suspension of an inner hub within an outer hub to allow the outer hub to oscillate with engine impulses. A medium rate substantially frictionless second stage may be utilized to cushion the torque transference from the first stage to the normal rate last stage and provides compaction of some of the compression springs for the last stage for a given deflection with negligible friction until the hub parts abut, and the third stage consists of compaction of all of the compression springs and additional deflection with friction. Alternatively, centrifugal weights may be used to lock the inner and outer hubs together at a predetermined rotation level, after which a normal damping operation is effected.
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Bonck Rodney H.
Borg-Warner Corporation
Geppert James A.
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