F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/160
F16D 65/12 (2006.01) F16D 55/14 (2006.01) F16D 65/14 (2006.01) F16D 65/853 (2006.01) F16D 69/00 (2006.01)
Patent
CA 1185191
ABSTRACT A disc for use as a rotor (10) or stator (18) in a multiple-disc brake. The disc (10) has an annular peripheral band (15) provided with a series of circum- ferentially spaced through slots (12) which open through a periphery of the disc. Each slot is defined by edges (13, 13a) which extend away from the periphery across the annular peripheral band (15) and are inclined in opposite directions (?) to a given radius (14) of the disc extending therebetween so that the slot tapers in a radial sense. A multiple disc brake is also provided which has a housing (46, 47) containing oil or other coolant which encloses a disc stack in the form of interleaved sets of rotor (10) and stator (18) discs. One set of discs (10) has a series of circumferentially spaced generally radially extending through slots (12) with inclined edges (13, 13a) extending from one periphery of the stage and the other set of discs (18) has a series of circumfer- entially spaced generally radially extending coolant access cut-outs (26) extending from the other periphery of the stack. Portions of the slots (12) and cut-outs (26) are arranged to periodically overlap each other during relative rotation of the rotors and stators at locations outside the bands of frictional contact (15) of the rotors and stators to provide a radial flow path (31) for coolant across the stack. The disc and brake are applicable to a wide range of uses including agricultural and industrial tractors.
390907
Gowling Lafleur Henderson Llp
Massey-Ferguson Services N.v.
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