Controls for hydrostatic drive units

Power plants – Pressure fluid source and motor – Servo-motor having externally operated control valve sets...

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91519, F16H 3944

Patent

active

047426772

ABSTRACT:
A control for a hydrostatic unit is provided in which control mechanism is provided between the feed line of the hydrostatic unit and a servo piston controlling the drive unit whereby the pressure acting on the servo piston is dependent on the setting of the drive unit in addition to the feed pressure of the drive unit.

REFERENCES:
patent: 3644063 (1972-02-01), Bosch
patent: 3669570 (1972-06-01), Himmler
patent: 3750406 (1973-08-01), Verlinde et al.
patent: 3805676 (1974-04-01), Hamma et al.
patent: 3850272 (1974-11-01), Reineche et al.
patent: 3947194 (1976-03-01), Schlecht
patent: 4212164 (1980-07-01), Young
patent: 4449366 (1984-05-01), Sato et al.
patent: 4476680 (1984-10-01), Pollman et al.

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