Patent ID: 6058346
Filing Date: 2000-05-02
Classification: B60T,B60W,F16H,Y10S,Y10T

Abstract:
A deceleration controlling apparatus for an automotive vehicle, comprising:an engine, an accelerator pedal and a brake system which are mounted on the vehicle;an automatic transmission connected to said engine;a throttle valve for adjusting an amount of intake air of said engine;an accelerator opening degree sensor for detecting an opening degree of said accelerator pedal to output an accelerator opening degree signal;a throttle valve controlling means for electrically controlling an opening degree of said throttle valve in response to said accelerator opening degree signal;a throttle opening degree sensor for detecting an opening degree of said throttle valve to output a throttle opening degree signal;a throttle-open breakdown detecting means for detecting a breakdown of throttle-open of said throttle valve;a deceleration condition detecting means for detecting a deceleration condition of said vehicle; anda speed-change pattern changing means for changing a speed-change pattern of said automatic transmission on a low gear side when said breakdown of throttle-open and said deceleration condition are detected.