Fluid and torque operated friction clutch

Details Fluid and torque operated friction clutch Fluid and torque operated friction clutch

1977-01-25

1978-05-23

Wyche, Benjamin W.

192 clutches and power-stop control

Clutches

Operators

192 86, 192 54, 192 56F, 192109A, 192109D, F16D 2500, F16D 4320

Patent

active

040905977

ABSTRACT:
A friction clutch for gas-turbine engine transmission gear has a casing which accommodates friction plates arranged between the back plate and pressure plate and an axially movable piston elastically coupled to the casing for pressing the friction plates when the engine operates in the traction mode by way of fluid under pressure fed to a variable-volume chamber defined by the casing and piston, and for pressing the friction plates when the engine operates in the braking mode from individual drive comprising a shaft of the gas-turbine engine transmission gear which is kinematically associated with the piston through a cam mechanism. Elastic coupling of the piston to the casing comprises an auxiliary variable-volume chamber in permanent communication with a fluid source via a throttle aperture, the auxiliary chamber being located opposite the variable-volume chamber between the casing and piston and defined by a cylinder mounted in the casing and another piston rigidly connected to the first piston. The clutch is simple in structure, reliable in operation and smoothly engageable.

REFERENCES:
patent: 2702619 (1955-02-01), Andershock
patent: 2860713 (1958-11-01), Peterson
patent: 3042167 (1962-07-01), Petrie et al.
patent: 3360087 (1967-12-01), Hilpert

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