F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/4
F16D 67/02 (2006.01) F16D 25/12 (2006.01) F16D 65/853 (2006.01)
Patent
CA 1140061
ABSTRACT OF THE DISCLOSURE There is disclosed herein a clutch-brake unit having a clutch disc pack and a separate brake disc pack which are designed for selective actuation by a single piston arrangement to transmit rotational driving forces from an input shaft to an output shaft via the clutch disc pack and to brake rotation of the output shaft via the brake disc pack as desired. An integral oil pump is provided on the input shaft and cooperates with portions of the housing to provide a high volume centrifugal pump- ing action to continuously circulate oil through passages provided in the housing, input shaft, output shaft and across the clutch and brake disc packs so as to cool them. In one embodiment, the integral oil pump includes a pump chamber separate from the central cavity formed by the housing and also working chambers for the clutch and brake disc packs are separated from the central cavity by annular inner housings. Provisions are also incor- porated whereby the oil flow may be directed to external auxiliary apparatus such as an oil cooler if desired.
383930
Macrae & Co.
Sommer (g. M.) Company Inc.
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