Prime-mover dynamo plants – Traction
Patent
1981-09-02
1984-07-24
Truhe, J. V.
Prime-mover dynamo plants
Traction
290 51, 318 99, 318335, 318336, 322 15, B60L 1102, H02P 516, H02P 500, H02P 546
Patent
active
044619588
ABSTRACT:
A drive system for an automotive vehicle, especially an industrial floor vehicle such as a forklift truck, comprises an internal combustion engine, preferably a diesel engine, whose speed-controlling element (e.g. fuel-injection pump) in connected to a speed-setting member (e.g. a drive pedal) and propels an externally energized direct-current generator which, in turn, is connected to an externally energized direct-current motor driving the load, e.g. at least one wheel of the vehicle. According to the invention, the speed-controlling element of the internal combustion engine is provided with a speed-setting signal generator, the output shaft of the internal combustion engine with an engine shaft-speed signal generator and the output shaft of the direct current motor with a motor shaft-speed signal generator. The signals from the speed-setting signal generator and from the motor speed signal generator are fed to a speed controller whose output is delivered to a power controller while the signals from the speed-setting signal generator and form the engine shaft speed signal generator are delivered to a comparator hose output is also supplied to the power controller which controls the field-coil excitation of the direct current generator.
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"An Earthmoving Vehicle with a Thyristor DC Propulsion System," Dr. L. A. Schlabach and R. H. Osman, Robicon Corporation, IAS Annual Meeting, 1980, Cincinnati, Ohio.
Kremer Manfred
Krohling Erich
Dubno Herbert
Flower Terry
Ross Karl F.
Still GmbH
Truhe J. V.
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