F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 67/06 (2006.01) B60K 17/28 (2006.01) F16D 55/40 (2006.01) F16D 67/02 (2006.01) F16D 67/04 (2006.01) F16D 55/00 (2006.01)
Patent
CA 2225887
A power take-off unit having a selectively engaged brake assembly is described. The power take-off unit is comprised of a rotatably driven input gear, a clutch assembly for selectively connecting the input gear to a rotatable output shaft, and the brake assembly for selectively retarding the rotation of the output shaft. The brake assembly is independently disengaged when a clutch assembly is engaged to place the power take-off unit in service. The clutch assembly uses pressurized fluid to position the clutch in its engaged position and biasing means to position the clutch in its disengaged position. The brake assembly uses biasing means to position the brake in its engaged position and pressurized fluid to position the brake in its disengaged position. The clutch assembly receives the pressurized fluid through a clutch fluid passageway which is in fluid communication with a common fluid passageway. The brake assembly receives the pressurized fluid through a brake fluid passageway which is also in fluid communication with the same common fluid passageway. All of these fluid passageways are disposed within the output shaft.
Dana Corporation
Parker-Hannifin Corporation
Ridout & Maybee Llp
LandOfFree
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