Baffle wall for a cover of a viscous fluid clutch and method

Details Baffle wall for a cover of a viscous fluid clutch and method Baffle wall for a cover of a viscous fluid clutch and method

1991-08-26

1992-06-09

Braun, Leslie A.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, F16D 3500

Patent

active

051199211

ABSTRACT:
A viscous fluid clutch includes an internally-mounted pump plate for separating a working chamber from a reservoir. Discharge ports in the pump plate permit fluid flow from the reservoir to the working chamber. Return orifices in the pump plate direct return flow back to the reservoir. A rotatable control arm is supported by arcuate baffle walls formed in a cover to enhance the seal provided at the discharge ports. The baffle walls limit the amount of fluid which can collect at a discharge port from the reservoir when the clutch is at rest.

REFERENCES:
patent: 3559786 (1971-02-01), Long
patent: 3648811 (1972-03-01), La Flame
patent: 4346797 (1982-08-01), Bopp
patent: 4544053 (1985-10-01), Yamaguchi et al.
patent: 4974712 (1990-12-01), Brown

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