Hydrostatic drive system
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United States of America Patent
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Jul 14, 2009
Grant Date -
May 4, 2006
app pub date -
Sep 23, 2005
filing date -
Sep 24, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydrostatic drive system has a travel drive (4) and working hydraulics (6). The working hydraulics (6) have a variable delivery pump (5) connected to the driving engine (1). The pump (5) is connected to a container (10) on the inlet side and delivers to a delivery line (11), to which at least one consumer of the working hydraulics (6) is connected. The pressure medium delivered by the pump (5) is feedable to a pressure valve (9). The pressure valve (9) is arranged in the delivery line (11) from the pump (5) to a control valve device (13; 15; 17; 18). A container branch line (29), which is connected to a container (10) and in which a circulating device (31) is arranged, is connected to the delivery line (11) downstream of the pressure valve (9).
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