Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...
Reexamination Certificate
2007-01-30
2007-01-30
Lopez, F. Daniel (Department: 3745)
Power plants
Pressure fluid source and motor
Input pump and rotary output motor system having...
Reexamination Certificate
active
10897960
ABSTRACT:
A charge pump for hydraulic drive device such as a hydrostatic transmission or integrated hydrostatic transaxle using hydraulic porting having high and low pressure sides mounted in a sump to connect a hydraulic pump and motor. The charge pump comprises a body connected between the high and low pressure sides of the porting to pull hydraulic fluid from a charge sump to the low pressure side of the porting.
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Hydro-Gear Limited Partnership
Lopez F. Daniel
Neal Gerber & Eisenberg LLP
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