Patent ID: 6328667
Filing Date: 2001-12-11
Classification: F16H,Y10T

Abstract:
A traction distributing apparatus for a motor vehicle with wheel shafts, comprising:a housing formed with first passages;a differential gear rotatably arranged in said housing, said differential gear including a casing, said differential gear distributing torque transmitted to said differential casing to the wheel shafts;a motor rotatably arranged in said housing, said motor hydraulically providing relative torque to the wheel shafts, said motor including an inner rotor and a casing, said inner rotor being connected to one of the wheel shafts, said motor casing being connected to one of said differential casing and another of the wheel shafts, said inner rotor and said motor casing being formed with second passages and third passages, respectively;a first block arranged between said inner rotor and said motor casing, said first block having an end face which slidably rotatably comes in plane contact with an end face of an inner rotor, said first block being formed with fourth passages which ensure fluid communication between said second passages and said third passages;a second block arranged between said motor casing and said housing, said second block having an end face which slidably rotatably comes in plane contact with an end face of one of adjacent members, said second block being formed with fifth passages which ensure fluid communication between said first passages and said third passages;a first biasing mechanism arranged with said first block, said first biasing mechanism hydraulically biasing said first block to said end face of said inner rotor; anda second biasing mechanism arranged with said second block, said second mechanism hydraulically biasing said second block to said end face of said one of said adjacent members.