Controls for drive system with continuously adjustable drive uni

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

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13762523, F01B25100

Patent

active

047411589

ABSTRACT:
A control for working machine equipped with a continuously hydraulic drive unit and an adjusting element therefor in which the adjusting element is adjusted by control pressure, which is in turn adjusted by a control pressure adjusting element is provided having at least one restrictor in the control pressure adjusting element and a control pressure modifying element that influences the control pressure connected to the control pressure adjusting element.

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patent: 3850272 (1974-11-01), Reinecke et al.
patent: 4167855 (1979-09-01), Knapp
patent: 4395878 (1983-08-01), Morita et al.

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