Control for a positive displacement machine of a hydrostatic/mec

Details Control for a positive displacement machine of a hydrostatic/mec Control for a positive displacement machine of a hydrostatic/mec

1995-09-14

1997-02-25

Ta, Khoi Q.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid pump and motor in one of plural paths to or from...

747331, F16H 6140

Patent

active

056055153

ABSTRACT:
A process and device for controlling a hydrostatic positioning mechanism (HG) of a hydrostatic/mechanical, continuous output-distributing power shift gear in which after an engagement of a clutch (K2, K3) of a new gear in a load-free synchronous condition, the positive displacement volume is respectively continuously triggered for a change until the gear branch, which is still running, is released triggering by the clutch (K2, K3) to be disengaged respectively in the disengaging direction and by monitoring a setting signal of a clutch setting sensor (KS2, KS3) of the clutch (K2, K3) to be disengaged until a setting change is signaled.

REFERENCES:
patent: 4776233 (1988-10-01), Kita et al.
patent: 4947687 (1990-08-01), Martini et al.
patent: 5193416 (1993-03-01), Kanayama
patent: 5207736 (1993-05-01), Fredriksen
patent: 5552775 (1996-06-01), Maruyama et al.

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