Hydrostatic travel drive with differential locking action
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United States of America Patent
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Feb 15, 2011
Grant Date -
Apr 17, 2008
app pub date -
Dec 14, 2005
filing date -
Dec 21, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a hydrostatic drive (1) comprising at least one first hydraulic pump (4), a second hydraulic pump (5), and first, a second, a third, and a forth hydraulic motor (7, 8, 9, 10). A first connection (12) of the first hydraulic pump (4) is connected to a first connection (19) of the first hydraulic motor (7) and a first connection (20) of the third hydraulic motor (9). A first connection (16) of the second hydraulic pump (5) is connected to a first connection (26) of the second hydraulic motor (8) and a first connection (27) of the fourth hydraulic motor (10). A second connection (22) of the first hydraulic motor (7) and a second connection (29) of the fourth hydraulic motor (10) are connected to a second connection (18) of the second hydraulic pump (5). A second connection (28) of the second hydraulic motor (8) and a second connection (23) of the third hydraulic motor (9) are connected to a second connection (14) of the first hydraulic pump (4).
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