192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Patent
1977-05-20
1978-09-12
Wyche, Benjamin W.
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
192103B, 192 55, F16H 4118, F16D 4314
Patent
active
041130758
ABSTRACT:
A lock-up clutch for a torque converter wherein the clutch is engaged with the impeller by centrifugal force. The clutch is drive connected to the turbine through a primary drive spring, disposed in a circumferential direction, so that relative angular movement initiated by engine torsional vibrations occur between the clutch and turbine. A secondary clutch engagement control spring is connected in a generally radial direction between the clutch and turbine. The secondary spring provides a clutch holdoff force at low clutch speeds and a clutch engagement intensifier force after engagement. A friction member is disposed between the clutch and the turbine to dampen the engine torsional vibrations.
REFERENCES:
patent: 2235673 (1941-03-01), Dodge
patent: 3081856 (1963-03-01), Wolfram
patent: 4029187 (1977-06-01), Davis et al.
patent: 4049094 (1977-09-01), Polomski et al.
General Motors Corporation
Scherer Donald F.
Wyche Benjamin W.
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