192 clutches and power-stop control – Clutches – Fluent material
Patent
1991-06-19
1992-11-10
Look, Edward K.
192 clutches and power-stop control
Clutches
Fluent material
192 82R, F16D 3500
Patent
active
051616599
ABSTRACT:
A viscous fluid shear clutch comprises a two-part outer casing 14,15 and an inner clutch member 10 between which is defined a clearance gap into which viscous fluid may flow to provide an adjustable degree of coupling between the casing and the clutch members. Fluid is continually pumped out of the gap by a circumferential scoop pump. The clutch may be assembled for reverse operation by indexing the casing parts relative to one another. The quantity of fluid in the gap may be controlled dependent on sensed temperature and sensed speed or sensed temperature alone. A thermo pressure valve provides a pressure force related to the sensed temperature; this relationship may be inverse for failsafe operation.
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Kysor Industrial Corporation
Lee Michael S.
Look Edward K.
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