F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/11
F16D 13/44 (2006.01) F01P 7/08 (2006.01) F16D 25/0635 (2006.01)
Patent
CA 1158189
TITLE Spring Engaged Fluid Released Fan Clutch For A Live Shaft ABSTRACT OF THE DISCLOSURE 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.
374830
Borden Ladner Gervais Llp
Horton Industries Inc.
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