Servo steering system for motor vehicles

Details Servo steering system for motor vehicles Servo steering system for motor vehicles

2006-05-09

2006-05-09

Look, Edward K. (Department: 3745)

Power plants

Pressure fluid source and motor

Having correlated or joint actuation of controller of input...

C060S468000

Reexamination Certificate

active

07040090

ABSTRACT:
For a power assisted steering system for vehicles, in particular passenger cars, there is provided a hydraulic circuit with a servopump, a three-way flow regulator valve which is located at the junction between the pump and a servoactuator and has a measuring throttle, located in the inflow to the servoactuator, as a fixed throttle and an outflow throttle which is located in a bypass of the latter and which determines a variable throttle cross section by means of a piston which is charged alternately as a pressure compensator. The piston, which is charged via an active actuator element, changes the outflow throttle cross section as a function of the current applied in order to change the volume flow which passes via the measuring throttle.

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