Hydraulic steering device
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United States of America Patent
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-
Nov 17, 2009
Grant Date -
Jun 28, 2007
app pub date -
Dec 8, 2006
filing date -
Dec 12, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulic steering device (1) of a mobile machine, in particular of an industrial truck, includes a steering angle transmitter (2) in mechanically functional communication with a steering valve (4). As a function of the actuation of the steering angle transmitter (2), the steering valve (4) controls the connection of a steering drive (13) with a pressure fluid source (6) and a reservoir (11). To vary the translation ratio of the steering device in a simple manner, a bypass device (20) is operationally associated with the steering drive (13). By activation of the bypass device, the quantity of pressure fluid delivered from the pressure fluid source (6) to the steering drive (13) can be diverted to a reservoir (11).
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