Patent ID: 6129111
Filing Date: 2000-10-10
Classification: B62D,F15B,F16F,Y10T

Abstract:
A damper valve arrangement for a hydraulic power steering system in which a servomotor is designed as one of a hydrostatic motor and a hydraulic displacer unit while acting as a steering damper, comprising:at least one damper valve arranged in hydraulic lines between the servomotor and a servovalve, said damper valve having a first flow path controlled by a first liftable valve element as a non-return valve, and a second flow path controlled with a damping action via a second valve element;wherein the first valve element is a liftable rotary slide valve rotationally adjustable as a function of temperature, and wherein in an event of a rotational adjustment, said first valve element opens or closes in a non-return direction at least one of the first flow path and a bypass, said first flow path and bypass being controlled with a damping action by the second valve element.