Fluid friction clutch

Details Fluid friction clutch Fluid friction clutch

1995-11-28

1997-12-30

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Fluent material

192 58684, 192 588, 192 82T, F16D 3500, F16D 4325

Patent

active

057019851

ABSTRACT:
In a fluid friction clutch, the circulation of shearing fluid is controlled by a control of the return flow of the shearing fluid from a clutch working chamber into a clutch storage chamber. The return flow is controlled by a control piston which is movable axially of the clutch to selectively block and open a radially extending return flow duct. In certain embodiments the control piston also controls an inflow bore.

REFERENCES:
patent: 3642105 (1972-02-01), Kikuchi
patent: 3880265 (1975-04-01), Elmer
patent: 4051936 (1977-10-01), Crisenbery et al.
patent: 4351425 (1982-09-01), Bopp
patent: 4351426 (1982-09-01), Bopp
patent: 4458798 (1984-07-01), Bopp
patent: 4544053 (1985-10-01), Yamaguchi et al.
patent: 4570771 (1986-02-01), Yamaguchi et al.
patent: 4828088 (1989-05-01), Mohan et al.
patent: 4909367 (1990-03-01), Elmer
patent: 5042629 (1991-08-01), Elmer
Partial Translation Of: Japanese Patent Laid-Open Application (Toku-Kai) No. : HEI 4 258529; Laid-Open date Sep. 14, 1992.

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