Patent ID: 7185957
Filing Date: 2007-03-06
Classification: B60T

Abstract:
1. A braking force distribution apparatus for a vehicle, comprising: front-wheel braking force application means for applying to a front wheel of the vehicle a braking force corresponding to a braking operation; rear-wheel braking force application means for applying to a rear wheel of the vehicle a braking force corresponding to the braking operation and a control signal; front-wheel wheel speed obtaining means for obtaining a wheel speed of the front wheel; rear-wheel wheel speed obtaining means for obtaining a wheel speed of the rear wheel; slip value calculation means, operable when the braking operation is performed, for calculating a slip value on the basis of the obtained wheel speed of the front wheel and wheel speed of the rear wheel, the slip value corresponding to the degree of slippage of the rear wheel with respect to the front wheel; and control signal generation means for generating the control signal in such a manner that the ratio of the braking force applied to the rear wheel to the braking force applied to the front wheel decreases in accordance with the calculated slip value, wherein, the front-wheel wheel speed obtaining means includes: front-wheel angular speed detection means for detecting angular speed of the front wheel; front-wheel tire pressure detection means for detecting internal pressure of the tire of the front wheel; and front-wheel wheel speed calculation means for calculating the wheel speed of the front wheel on the basis of the detected angular speed of the front wheel and the detected internal pressure of the tire of the front wheel, and the rear-wheel wheel speed obtaining means includes: rear-wheel angular speed detection means for detecting angular speed of the rear wheel; rear-wheel tire pressure detection means for detecting internal pressure of the tire of the rear wheel; and rear-wheel wheel speed calculation means for calculating the wheel speed of the rear wheel on the basis of the detected angular speed of the rear wheel and the detected internal pressure of the tire of the rear wheel.