Hybrid drive system for vehicle with clutch control

Interrelated power delivery controls – including engine control – Plural engines – Electric engine

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Details

477174, 477 3, 180 652, B60K 4102

Patent

active

060831391

ABSTRACT:
A hybrid drive system for a vehicle comprises a first electric motor in driving relationship to at least one driven wheel, a heat engine, a second electric motor in driving connection to the engine, and a clutch to engage and disengage the engine to and from the driven wheel. Immediately after or upon a command to engage the clutch, a controller retrieves, based on a measure of speed of the driven wheel, data of maximum input torque, which the second motor is capable of absorbing from the engine and data of maximum output torque, which the first motor is capable of producing. The controller compares the torque request command with the retrieved data and selects one of a plurality of different protocols for operation of the first and second electric motors and the heat engine.

REFERENCES:
patent: 4335429 (1982-06-01), Kawakatsu
patent: 5492189 (1996-02-01), Kriegler et al.
patent: 5735770 (1998-04-01), Omote et al.
patent: 5771478 (1998-06-01), Tsukamoto et al.
patent: 5993351 (1999-11-01), Deguchi

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