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Patent Searching and Data


Title:
ENGINE CONTROL DEVICE OF VEHICLE WITH AUTOMATIC TRANSMISSION
Document Type and Number:
Japanese Patent JPH02305329
Kind Code:
A
Abstract:

PURPOSE: To reduce speed change shock and ensure the durability in a frictional engaging element by changing the output of an engine in changing the speed of an automatic transmission, and completing output change when intake air amount is below a prescribed level.

CONSTITUTION: In changing the speed of an automatic transmission B where the driving output of an engine A is inputted, the output of the engine A is changed by a means (C) to reduce speed change shock due to transmission operation. According to the changing time of an automatic transmission detected by a means (D) and an intake air amount detected by a means (E), the output change of the engine A starts upon transmission start in the condition where the intake air amount is above a prescribed amount, and the output change is generally completed upon transmission completion. When the intake air amount is below a prescribed level during the output change of the engine A, a prescribed delay period is established from this time, and the output change is completed by a means (F).


Inventors:
KIYOUZUKA TAKAHIRO
Application Number:
JP1989000126355
Publication Date:
December 18, 1990
Filing Date:
May 19, 1989
Export Citation:
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Assignee:
MAZDA MOTOR
International Classes:
F02D29/00; F16H59/24; F16H59/34; F16H59/38; F16H59/42; F16H59/44; F16H59/74; F16H59/78; F16H61/04; F16H61/10; F16H63/40; (IPC1-7): F02D29/00; F16H59/42; F16H61/04