Control system for internal combustion engines for automotive ve

Details Control system for internal combustion engines for automotive ve Control system for internal combustion engines for automotive ve

1997-04-29

1998-10-13

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

F02D 4104

Patent

active

058205179

ABSTRACT:
An upshift of an automatic transmission of an automotive vehicle is carried out when a sudden decrease in a stepping-on amount of an accelerator pedal of the vehicle is detected. The opening of a throttle valve arranged in an intake passage of an internal combustion engine installed on the vehicle is closed when the stepping-on amount of the accelerator has increased during the upshift after the sudden decrease in the stepping-on amount. Engagement of one of speed clutches of the automatic transmission to be selected for the upshift is started upon the closing of the throttle valve. Control of the opening of the throttle valve in response to the stepping-on amount of the accelerator pedal is started after the rotational speed of the output side of the one of the speed clutches and the rotational speed of the input side of the same become substantially equal to each other through the engagement of the one of the speed clutches.

REFERENCES:
patent: 5445576 (1995-08-01), Motamedi et al.

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