Interrelated power delivery controls – including engine control – Clutch control – With fluid drive
Reexamination Certificate
2006-06-27
2006-06-27
Bonck, Rodney H. (Department: 3681)
Interrelated power delivery controls, including engine control
Clutch control
With fluid drive
C477S166000, C477S168000, C477S171000, C477S172000, C477S173000, C477S174000, C477S175000, C172S003000, C172S004500, C701S050000, C701S067000, C180S306000
Reexamination Certificate
active
07066863
ABSTRACT:
In a drive train for a working machine, in particular, a wheel loader, the driving speed is preselected via a driving pedal (11) and the working hydraulic system is actuated via a selector lever (8), whose signals are fed to an electronic control unit (10) which regulates a drive engine (1) and a clutch (2) arranged between the drive engine (1) and a pump impeller (3) of a hydrodynamic torque converter in such a manner that an auxiliary drive (6) for a pump (7) of the working hydraulic system is operated at a sufficient speed, while the preselected driving speed is not exceeded.
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Bonck Rodney H.
Davis & Bujold P.L.L.C.
Le David D.
ZF Friedrichshafen AG
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