Hybrid drive control system for vehicle

Details Hybrid drive control system for vehicle Hybrid drive control system for vehicle

1999-03-04

2000-07-04

Estremsky, Sherry L.

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

180 657, B60K 4102

Patent

active

060831383

ABSTRACT:
A hybrid vehicle propulsion system comprises an electric motor as a first propulsion source, an engine as a second propulsion source and a continuously variable transmission for receiving an input rotation from at least one of the motor and engine and for delivering a driving torque to a drive axle of the vehicle. A controller controls a transmission ratio of the transmission so that the transmission ratio in a motor drive mode is higher than the transmission ratio in an engine drive mode.

REFERENCES:
patent: 5415603 (1995-05-01), Tuzuki et al.
patent: 5833022 (1998-11-01), Welke
patent: 5873426 (1999-02-01), Tabata et al.

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