Air pressure loaded clutch

Details Air pressure loaded clutch Air pressure loaded clutch

1977-12-29

1980-03-18

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Operators

192 88A, 192 91A, F16D 2508

Patent

active

041934857

ABSTRACT:
A self-contained hydraulic unit is provided for controlling operation of a friction clutch assembly. The hydraulic unit is connected to a source of pressure so that when pressure is applied to the unit it responds to actuate a plurality of levers to engage the clutch. Upon removal of pressure from the hydraulic unit, spring means responds to withdraw the levers and disengage the clutch. The hydraulic unit is non-rotatably supported by the friction clutch assembly and includes an axially fixed member and an axially movable member interconnected by a sliding connection. A piston and diaphragm arrangement is provided between the fixed and movable members so that when pressure is introduced into the diaphragm the piston operates to slide the movable member relative to the fixed member by means of the sliding connection thereby actuating the levers to cause engagement of the clutch.

REFERENCES:
patent: 2275204 (1942-03-01), Smirl
patent: 2668610 (1954-02-01), Backus
patent: 2890776 (1959-06-01), Aschauer
patent: 3157257 (1964-11-01), Root
patent: 3412834 (1968-11-01), Root

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