Power plants – Pressure fluid source and motor – Having selecting means distributing motive fluid between...
Reexamination Certificate
2005-07-06
2009-11-10
Leslie, Michael (Department: 3745)
Power plants
Pressure fluid source and motor
Having selecting means distributing motive fluid between...
C060S489000, C091S519000
Reexamination Certificate
active
07614226
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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Davis & Bujold P.L.L.C.
Leslie Michael
ZF Friedrichshafen AG
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