Hydraulic power steering assembly
A power steering assembly comprises a housing (1) of a fluid distributor having arranged therein a control valve (2) the central bore of which receives a steering shaft (4) provided with screw transmission element (5), and a servohydraulic actuator (6). The steering shaft (4), servohydraulic actuato...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A power steering assembly comprises a housing (1) of a fluid distributor having arranged therein a control valve (2) the central bore of which receives a steering shaft (4) provided with screw transmission element (5), and a servohydraulic actuator (6). The steering shaft (4), servohydraulic actuator (6) and the control valve (2) are kinematically linked for the control valve (2) to be capable of axial movement when the steering shaft (4) is turned. The kinematic linkage has the form of a sleeve (7) provided with a receiving element of the screw transmission, the sleeve (7) being located inside a central bore (3) of the control valve (2) for rotative, non-axial movement, one end of the sleeve (7) being connected to the steering shaft (4) by way of the screw transmission. The invention can find application in hydraulically operated power steering systems of vehicles employed in construction, road-building and agriculture, as well as in tractors, trucks and cars. |
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