Hybrid drive system

Details Hybrid drive system Hybrid drive system

1994-11-22

1996-02-20

Johnson, Brian L.

Motor vehicles

Power

Electric

180 656, 477 2, B60K 604

Patent

active

054921899

ABSTRACT:
A propulsion system includes an internal combustion engine predominantly operating in a steady-state mode and a driving engine operating in a transient mode, which act on the output shaft of a planetary gear train by first and second drive shafts. To obtain independent speed and torque values at the driven shaft, an additional transiently operating engine is provided which has a fixed r.p.m. ratio with the first drive shaft or the driven shaft of the planetary gear train. The two transient engines are configured as hydraulic engines or electric engines connected to a control device, a unit being provided for hydraulic or electric power flow between the two transient engines, which in turn is provided with an energy storage.

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Integrated Microprocessor Control of a Hybrid I.C. Engine/Battery-Electric Automotive Power Train, P. W. Masding et al., Trans. Inst. MC., vol. 12, No. 3, pp. 128-146, 1990.
Engine Control Sensors for the '80's: A Preview, Society of Automotive Engineers, Inc., pp. 28-30, 1980.

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