Hydraulic valve arrangement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 31, 2002
Grant Date -
Mar 14, 2002
app pub date -
Sep 11, 2001
filing date -
Sep 14, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic valve arrangement includes a control valve (3), which, in a first operating position (5), connects a motor connection (21) with a pump connection, in a second operating position (6), connects a motor connection with a tank connection, and, in a locking position (4), disconnects the motor connection (21) from the pump and tank connection. A locking valve (19) is coupled between the control valve (3) and the motor connection (21), dividing the motor line (22) into a first section (23) allocated to the control valve (3) and a second section (24) allocated to the motor connection (21). For the locking valve (19), a pressure release valve (20) in the shape of a seated valve is provided that is fixed to the housing thereby improving control accuracy.
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