Hydrostatic multi-motor drive
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United States of America Patent
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Apr 15, 2008
Grant Date -
Jul 27, 2006
app pub date -
Nov 6, 2003
filing date -
Nov 26, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
With a hydrostatic multi-motor drive unit with a least two hydraulic motors acting upon a common load, a solution should be created, with which a further operating range is covered by the use of several motors and at the same time a simple as possible and problem free coupling of the motors is assured. Furthermore, a method for controlling the drive unit is indicated, which permits continuous transitions between the different operating ranges. This is achieved in that the motors (2, 3) are connected with each other through at least one freewheel device (4), in which the motor (2) arranged after the freewheel device has a variable displacement volume.
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