Adjustable hydraulic pump
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United States of America Patent
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Aug 25, 2015
Grant Date -
Jul 25, 2013
app pub date -
Jan 22, 2013
filing date -
Jan 25, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic pump includes an adjustment device configured to adjust a delivery volume. The adjustment device is configured to be connected via a shuttle valve to a control pressure supply and to a working line. The working line is supplied by the hydraulic pump. The adjustment device is configured to be alternately supplied with control pressure by the control pressure supply and by the hydraulic pump. The hydraulic pump also includes a nozzle. The nozzle is configured to connect the working line to the control pressure supply in a zero stroke operating mode. The nozzle is formed in or on a valve body of the shuttle valve.
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