Automatic transmission system

Details Automatic transmission system Automatic transmission system

1995-03-31

1996-12-17

Marmor, Charles A.

Machine element or mechanism

Gearing

Interchangeably locked

74333, 74335, 477 75, 477 80, 477 92, 477 95, F16H 308, F16H 5918, F16H 5940, F16H 5954, F16H 5970

Patent

active

055842089

ABSTRACT:
An automatic transmission system includes a drive device, electronic control and a valve control. An accelerator pedal, a brake pedal, speedometer and a gear will send signals to the electronic control. Based on these signals, the electronic control will control the valve control. Hydraulic fluid is provided to the drive device based upon operation of the valves in the valve control. The drive device contains a plurality of clutches for each of the valves of the valve control. These clutches are sequentially engaged by sequential operation of the valves in order to connect the engine shaft with an axle of the vehicle to thereby drive the vehicle.

REFERENCES:
patent: 4648290 (1987-03-01), Dunkley et al.
patent: 4823629 (1989-04-01), Ha
patent: 4899857 (1990-02-01), Tateno et al.
patent: 5012690 (1991-05-01), Bulgrien
patent: 5105675 (1992-04-01), Langford et al.
patent: 5444623 (1995-08-01), Genise

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