All wheel drive torque control lever override

Details All wheel drive torque control lever override All wheel drive torque control lever override

1994-07-15

1996-09-10

Marmor, Charles A.

Machine element or mechanism

Gearing

With fluid drive

747331, 180243, F16H 4702

Patent

active

055535178

ABSTRACT:
A torque control lever override of an all wheel drive system matches the front wheel fluid flow, as the wheels are turning, to the flow the pump is generating before the two are connected together. The torque control lever normally controls the pressure and therefore the rim pull delivered to the front wheels. The pump will supply fluid based upon the aggressiveness of the torque control lever which may not always match the current wheel speed. The torque control lever override enhances operation of an all wheel drive system and eliminates excessive harshness when engaging or disengaging the all wheel drive system.

REFERENCES:
patent: 2972906 (1961-02-01), Schroeder
patent: 3894606 (1975-07-01), Hunck et al.
patent: 3951009 (1976-04-01), Audifferd, Jr. et al.
patent: 4444286 (1984-04-01), Hawkins et al.
patent: 4480502 (1984-11-01), Nembach
patent: 5147010 (1992-09-01), Olson et al.
patent: 5361208 (1994-11-01), Olson et al.

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