Differential gear unit for motor vehicle drive axles

Details Differential gear unit for motor vehicle drive axles Differential gear unit for motor vehicle drive axles

1989-03-09

1990-09-11

Braun, Leslie A.

Planetary gear transmission systems or components

Differential planetary gearing

Bevel gear differential

475231, 475237, 192 84C, 192103R, F16H 144, F16D 27118, F16D 2310

Patent

active

049558536

ABSTRACT:
A differential gear unit for the drive axles of motor vehicles has a positive differential lock comprising a jaw clutch plate which is connected non-rotatably but movable axially with the differential case and which works in conjunction with a jaw clutch counterplate which is mounted non-rotatably and axially immobile on a differential gear drive shaft. The jaw clutch plate also serves as an armature for an electromagnet shaped as a ring magnet, which can be switched on and off manually. The jaw clutch plate is released from the jaw clutch counterplate by the preloaded spring means when the ring magnet is switched off. The electric circuit for controlling the ring magnet includes an electronic control unit developed as a velocity sensor which allows switching on of the ring magnet only below a predetermined velocity limit of the vehicle. Above this velocity limit the ring magnet switches off automatically.

REFERENCES:
patent: 3400610 (1968-09-01), Taylor et al.
patent: 3402793 (1968-09-01), Scholl
patent: 4549448 (1985-10-01), Kittle
patent: 4627525 (1986-12-01), Geldec
patent: 4715248 (1987-12-01), Gant
patent: 4805486 (1989-02-01), Hagiwara et al.
patent: 4828090 (1989-05-01), Matsushita
patent: 4828091 (1989-05-01), Gustin
patent: 4841808 (1989-06-01), Ouchi et al.

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