Fluid coupling power transmission with lockup clutch

Details Fluid coupling power transmission with lockup clutch Fluid coupling power transmission with lockup clutch

1993-06-30

1995-02-14

Pitts, Andrea L.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 331, F16H 4502

Patent

active

053886780

ABSTRACT:
A fluid coupling power transmission having a lockup clutch, in which a housing is formed by the shell of a pump impeller and a front cover integrally connected to the shell, in which a turbine runner facing the pump impeller is arranged in the housing, and in which the lockup clutch is disposed in the housing for transmitting a torque selectively between the housing and an output member integrated with the turbine runner. The fluid coupling power transmission comprises: a damper mechanism including a rotational inertial mass made rotatable relative to the housing and selectively engageable with the lockup clutch, and elastic members arranged between the rotational inertial mass and a drive side member made rotatable together with the housing, and adapted to be compressed by the relative rotation of the rotational inertial mass and the drive side member; and a friction mechanism for establishing a sliding frictional force for suppressing the rotation of the rotational inertial mass relative to the drive side member if the relative rotation exceeds a predetermined angle.

REFERENCES:
patent: 4844216 (1989-07-01), Fukushima
patent: 5062517 (1991-11-01), Muchmore et al.
patent: 5086892 (1992-02-01), Schierling
patent: 5121821 (1992-06-01), Poorman et al.
patent: 5129493 (1992-04-01), Edmunds
patent: 5195621 (1993-03-01), Dull et al.

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