Motor vehicles – Power – Including traction motor of kind driven by noncompressible...
Reexamination Certificate
2007-11-27
2007-11-27
Vanaman, Frank (Department: 3618)
Motor vehicles
Power
Including traction motor of kind driven by noncompressible...
Reexamination Certificate
active
10909440
ABSTRACT:
To make operating a hydraulic drive mechanism above its admissible maximum rotational speed without separating the mechanical connection to the drive wheel possible, the motor (1) is adjusted in displacement to almost no displacement and the pressure-medium supply line (2) and the pressure-medium return line (3) operate a hydraulic drive with at least a hydrostatic radial piston motor (7, 9) exclusively with the supply pressure (20) connected.
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Davis & Bujold & Daniels, P.L.L.C.
Vanaman Frank
ZF Friedrichshafen AG
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