F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
138/45.1, 138/41
F16H 39/02 (2006.01)
Patent
CA 1174142
HYDRAULIC DRIVE SYSTEM FOR A VEHICLE ABSTRACT OF THE DISCLOSURE A hydrostatic drive system having a closed loop front wheel drive circuit and a closed loop rear wheel drive circuit. A variable displacement pump in each of the circuits is cammed to vary the displacement delivered to dual displacement wheel motors to provide two speed ranges for the drive system. A servosystem uses hydraulic fluid to cam the displacement of the variable displacement pump and a hydraulic control to selectively engage each of the drive ranges.
386061
Acker Alvin W.
Headrick Clyde R.
Cdi Sales Corp.
Swabey Ogilvy Renault
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