Spring engaged fluid released fan clutch for a live shaft

Details Spring engaged fluid released fan clutch for a live shaft Spring engaged fluid released fan clutch for a live shaft

1980-08-25

1982-10-26

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 82T, 192 85A, F16D 1344, F16D 25063

Patent

active

043557104

ABSTRACT:
A spring engaged fluid released fan clutch is disclosed. A sheave connected to a live shaft is connected to rotate with a friction disc. Encompassing the friction disc and rotatable relative thereto is an outer shell portion carrying fan blades. Connected for rotation with the outer shell portion and rotatably mounted on the friction disc is a cylinder plate. An annular piston, having a friction facing, is slidably mounted on a hub provided internally of the outer shell portion and is connected to rotate with the shell portion. Springs urge the piston with its friction facing into engagement with the friction disc to engage the clutch. Fluid pressure is introduced through the hub of said outer shell portion and into a cavity between the cylinder plate and the piston urging the piston away from the friction disc against the action of the springs to disengage the clutch.

REFERENCES:
patent: 1300898 (1919-04-01), Vincent
patent: 2575765 (1951-11-01), Nabstedt et al.
patent: 2684742 (1954-07-01), Eason
patent: 2698676 (1955-01-01), Eason
patent: 2865481 (1958-12-01), De Teramala
patent: 3145816 (1964-08-01), De Lorean et al.
patent: 3684397 (1972-08-01), Elmer
patent: 4057297 (1977-11-01), Beck et al.
patent: 4238017 (1980-12-01), Spokas
patent: 4245724 (1981-01-01), Beck

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