Hydraulic steering system for a vehicle, especially for a mobile working machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 25, 2002
Grant Date -
N/A
app pub date -
Oct 19, 2000
filing date -
Apr 23, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic steering system, which is used, in particular, for a mobile working machine, and has a steering unit that can be actuated by a first steering member, which is constructed as a steering wheel, that has a first fluid connection, which is connected to a pressure chamber of a steering motor, the pressure chamber being subjected to pressure for a steering movement to the left, and that has a second fluid connection, which is connected to a pressure chamber of the steering motor, the pressure chamber being subjected to pressure for a steering movement to the right, and which has a control valve that can be actuated by a second steering member, which is constructed in the manner of a joystick, and likewise has fluid connections that are connected to the pressure chambers of the steering motor. There is provided priority for steering with the first steering member over steering with the second steering member, wherein the control valve can be activated only when the steering unit is in the neutral position.
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