Non-power downshift throttle recovery

Details Non-power downshift throttle recovery Non-power downshift throttle recovery

1994-02-14

1995-08-15

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

477110, 477111, 477 92, 36443103, B60K 4108

Patent

active

054414644

ABSTRACT:
A non-power downshift throttle recovery control method/system is provided for vehicular automated mechanical transmission systems of the type including a multiple-speed mechanical transmission (10) coupled to an electronically controlled engine (E) by a master clutch (C). The transmission is shifted without disengagement of the master clutch (C), and the engine is fueled according to at least a first control strategy wherein fueling tracks throttle (P) position or a second control strategy wherein engine fueling is modified to cause engine speed (ES) to equal a target engine speed (ES.sub.TARGET).

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patent: 5133227 (1992-07-01), Iwatsuki
patent: 5136897 (1992-08-01), Boardman
patent: 5323667 (1994-06-01), Tweed et al.

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