Drive having an energy recovery and retarder function
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United States of America Patent
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Sep 27, 2011
Grant Date -
Dec 4, 2008
app pub date -
Dec 20, 2006
filing date -
Dec 23, 2005
priority date (Note) -
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Abstract
The invention relates to a drive with an energy recovery and retarder function. The drive (1) comprises a hydrostatic piston engine (12) which is connected to an accumulator (16) for storing pressure energy and to a pressure limiting valve (19) for generating a braking action. Arranged downstream of the pressure limiting valve (19) is a cooler (45). The drive (1) also comprises a hydraulic motor (35) for driving a cooler fan (33), wherein the hydraulic motor (35) is acted on with a pressure medium which is delivered by the hydrostatic piston engine (12).
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