Method for controlling the start of vehicle

Details Method for controlling the start of vehicle Method for controlling the start of vehicle

1985-08-01

1986-12-02

Reger, Duane A.

Fluid-pressure and analogous brake systems

Pipeless valves

303111, 180197, B60T 882

Patent

active

046260404

ABSTRACT:
In a vehicle having a brake fluid pressure controller arranged to control brake fluid pressure on following and driving wheels, one independently of the other, a brake fluid pressure retaining device arranged to retain brake fluid pressure for parking by means of said fluid pressure controller and an engine revolution controller, a method for controlling the start of the vehicle comprising the steps of (a) completely releasing the brake fluid pressure on the following wheel and gradually reducing the driving wheel brake fluid pressure in response to a vehicle starting operation; (b) holding the driving wheel brake fluid pressure at a value which is obtained at a point of time when the rotation of the driving wheel is detected; (c) stopping the acceleration of engine revolution at a point of time when the rotating speed of the driving wheel comes to exceed a predetermined value and then lowering the rotating speed of the driving wheel at least either by increasing the brake fluid pressure on the driving wheel or by reducing the number of revolutions of the engine; (d) gradually raising the rotating speed of the driving wheel at least either by lowering the brake fluid pressure on the driving wheel or by accelerating the engine revolution; and (e) completely releasing the brake fluid pressure on the driving wheel by cancelling an ensuing control operation when the rotation of the following wheel is detected at any of the above-stated steps (a), (b) and (c).

REFERENCES:
patent: 3667813 (1972-06-01), Burckhardt et al.
patent: 3684047 (1972-08-01), Zeisloft et al.
patent: 3872953 (1975-03-01), Taylor

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