Vehicle transfer case with dual electrically-actuated magnetic c

Details Vehicle transfer case with dual electrically-actuated magnetic c Vehicle transfer case with dual electrically-actuated magnetic c

1994-08-01

1996-08-13

Marmor, Charles A.

Planetary gear transmission systems or components

Differential planetary gearing

Including means to selectively apply rotational power to...

74665GA, 192 482, 192 84C, 192 84PM, 180249, B60K 17346, F16H 4824

Patent

active

055451039

ABSTRACT:
A vehicle drive train transfer case includes a differential with an input and two outputs, a normally disengaged electromagnetic first clutch, and a normally engaged second clutch adapted to be electromagnetically disengaged. When the first and second clutches are disengaged and engaged, respectively, torque is transmitted via the differential to the rear axle of the vehicle without torque being transmitted to the front axles so as to propel the vehicle in a two-wheel drive mode. When both clutches are engaged, the differential is locked so as to cause torque to be transmitted to both the front and rear axles and effect propelling of the vehicle in a conventional four-wheel drive mode. When the first and second clutches are engaged and disengaged, respectively, the differential is unlocked to enable torque to be transmitted to both the front and rear axles in an all-wheel drive mode.

REFERENCES:
patent: 2279986 (1942-04-01), Griswold
patent: 2605877 (1952-08-01), Winther
patent: 3055470 (1962-09-01), Pierce
patent: 4747464 (1988-05-01), Lanzer
patent: 4923029 (1990-05-01), Lanzer
patent: 5234072 (1993-08-01), Chludek
patent: 5275253 (1994-01-01), Sperduti et al.

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