Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...
Patent
1991-07-25
1994-02-15
Hill, Mitchell J.
Motor vehicles
Having four wheels driven
With differential means for driving two wheel sets at...
180 624, 180 626, 180 65, 180 2409, 180 651, 180233, 475200, 475248, 475330, B60K 102, B60K 1734
Patent
active
052858669
ABSTRACT:
The invention provides a drive train for propelling a vehicle capable of being used for transporting ore, coal or broken rock in underground mining operations. The vehicle has front and rear wheelsets, each comprising a right and left side wheel. The drive train comprises drive apparatus such as an electrically driven motor for delivering torque to at least a front wheel and rear wheel on one side of the vehicle. A torque sharing apparatus in the form of an epicyclic gear arrangement is interposed between the motor and the wheels, and operable to share torque delivered by the motor between the front and rear wheels while permitting them to rotate at different speeds in relation to each other. Front and rear transfer apparatus comprising gear trains co-operating with the epicyclic gear arrangement are provided for transferring torque to the front and rear wheels respectively. The front and rear transfer apparatus may be releasably interlocked in order to allow propulsion of the vehicle over slippery or uneven terrain.
REFERENCES:
patent: 926919 (1909-07-01), Adams
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patent: 2850920 (1958-09-01), Buckendale
patent: 3343620 (1967-09-01), Karavias
patent: 4562893 (1986-01-01), Cunard
patent: 4895217 (1990-01-01), Huelkler et al.
patent: 5044458 (1991-09-01), Schwarz et al.
The New Generation 10 SC 22 Shuttle Car--JOY pp. 2-5.
European Search Report EP 91 30 6766--pp. 1-2.
Hill Mitchell J.
Joy Manufacturing Company (Africa) Limited (PTY)
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