Clutch and brake mechanism

Details Clutch and brake mechanism Clutch and brake mechanism

1977-12-27

1980-04-01

Braun, Leslie

192 clutches and power-stop control

Clutch and brake

Sliding operation

192 85CA, 188170, F16D 6704, F16D 2508

Patent

active

041957172

ABSTRACT:
A combination clutch and brake unit for an engine driven lift fan propeller system controls power transfer from an engine to a propeller assembly and includes a clutch selectively operated by a hydraulic piston between engaged and disengaged positions to couple a drive input to a drive output and wherein a carriage for a hydraulic piston in a clutch supports a movable brake component and shifts it with respect to a fixed reaction brake member to brake the output shaft of the device to prevent free wheeling of the lift fan propeller when it is decoupled from the engine and wherein the clutch piston is biased into its decoupled position by return springs that also maintain the brake components in an engaged positon when the clutch is decoupled.

REFERENCES:
patent: 3182528 (1965-05-01), Lamburn
patent: 3305054 (1967-02-01), Liszewski et al.
patent: 3638773 (1972-02-01), Lewis et al.
patent: 3679033 (1972-07-01), Wagner
patent: 3696898 (1972-10-01), Sommer
patent: 3971461 (1976-07-01), Conroy et al.

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