Motor vehicles – Having four wheels driven – Including pump and fluid motor – or generator and electric...
Reexamination Certificate
2006-03-21
2009-12-08
Morris, Lesley D (Department: 3611)
Motor vehicles
Having four wheels driven
Including pump and fluid motor, or generator and electric...
C180S308000
Reexamination Certificate
active
07628240
ABSTRACT:
An electronic traction control system for a vehicle having multiple hydraulic driven wheels includes a plurality of digital displacement pumps, a plurality of drive systems having counterbalance valves and motors used to drive wheels, and electronic flow control valves used in association with each drive assembly. Additionally the system has a steering mechanism that is electrically connected to a digital sensor and a proportional sensor that sends signals to a system controller that operates the functioning of the digital displacement hydraulic pumps.
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Morris Lesley D
Sauer-Danfoss Inc.
Stabley Michael R
LandOfFree
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