CONTROL SYSTEM FOR SPLIT TORQUE TRANSMISSION

Japanese Patent JPH08326890

A

To perform smooth and efficient by controlling shift based on an output speed, a speed pedal position, a range selector lever position, and the direction control lever position of each transmission.

A split torque transmission 10 is provided with a mechanical transmission 14, a hydrostatic transmission 16, a microprocessor 18, a sensing device 20, and a command input device 22, and a working system 24 is connected to the final drive shaft 26 of the mechanical transmission 14. The mechanical transmission 14 is connected to an engine 12 through a gear device 30, and further transmits power to the hydrostatic transmission 16 through a motor output shaft 34. The microprocessor 18 monitors the output speed of the engine 12 and the respective transmissions 14, 16, the position of a speed pedal 62, the position of a range center lever 70, and the position of a direction control lever 66, and in response to the results, the mechanical transmission 14 and the hydrostatic transmission 16 are controlled.

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ARAN AARU KUUTANTO
MAIKERU JII KUROONIN
JIERII DEII MAA
SANJIEI RAJIYAGOPARAN

JP13640796A

December 10, 1996

May 30, 1996

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CATERPILLAR INC

F16H61/00; F16H47/04; F16H61/421; F16H61/431; F16H61/46; F16H61/462; F16H59/08; F16H59/18; F16H59/36; F16H59/40; F16H59/42; F16H61/42; F16H61/425; F16H61/435; (IPC1-7): F16H61/00; F16H47/04

Minoru Nakamura (6 outside)

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