System for controlling a hydrostatic-mechanical transmission at

Details System for controlling a hydrostatic-mechanical transmission at System for controlling a hydrostatic-mechanical transmission at

1995-02-28

1997-04-22

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Condition responsive control of or by input to input pump...

475 76, 475 80, F16D 3102

Patent

active

056220502

ABSTRACT:
A target engine revolution speed is calculated based on the throttle position of an engine such that the amount of change in the target engine revolution speed with respect to time is limited. According to the target engine revolution speed thus calculated, a target motor speed ratio, which is a target value for the ratio of the revolution speed of a motor in a hydrostatic transmission unit to the revolution speed of the engine, is set. With this target motor speed ratio, the angle of at least either of discharge controlling swash plates is adjusted.

REFERENCES:
patent: 4531431 (1985-07-01), Dreher et al.
patent: 4949596 (1990-08-01), Iino et al.
patent: 5406793 (1995-04-01), Maruyama et al.
patent: 5419218 (1995-05-01), Asano et al.

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