Planetary gear transmission systems or components – Differential planetary gearing – Bevel gear differential
Patent
1990-11-29
1992-04-07
Braun, Leslie A.
Planetary gear transmission systems or components
Differential planetary gearing
Bevel gear differential
475240, 475249, F16H 144
Patent
active
051023784
ABSTRACT:
The present invention relates to a limited slip differential of the general type wherein when one of the driving wheels begins to slip or loses traction driving power is transmitted to the wheel retaining traction. The unique features of this invention involve utilizing engine input torque as the force for progressively actuating a clutch to couple differential elements to direct power to a driving wheel having traction; constantly sensing the differences between the engine input torque and the resistive torques of the driving wheels; and limiting the resistive torque of the driving wheels which can act in opposition to the clutch-applying force of the engine input torque to the differential.
REFERENCES:
patent: 2855805 (1958-10-01), Fallon
patent: 3055234 (1959-05-01), O'Brien
patent: 3457807 (1969-07-01), Altman
patent: 3546968 (1970-12-01), Altman
patent: 3906812 (1975-09-01), Kagata
patent: 4679463 (1987-07-01), Ozaki et al.
patent: 4966249 (1990-10-01), Imaseki
patent: 4978329 (1990-12-01), Yasui et al.
Braun Leslie A.
Massey Ryan W.
Ste Pierre Ferry
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