Hydraulic transmission
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United States of America Patent
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Nov 10, 2009
Grant Date -
Dec 27, 2007
app pub date -
Jul 6, 2005
filing date -
Sep 15, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic transmission system features a first hydrostatic motor (1) and a second hydrostatic motor (4), which are connected to an output shaft (3) by way of a compound transmission, and which, in order to reach a minimum and a maximum rotation speed of the output shaft, are, on the one hand, adjustable with respect to their displacement volume by way of electric valves (9, 17) and, on the other hand, can be connected or, as the case may be, separated from a conveyor line (7) and a suction line (8) of a hydraulic pump.
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