Vehicular braking apparatus and method

Details Vehicular braking apparatus and method Vehicular braking apparatus and method

2006-01-24

2006-01-24

Graham, Matthew C. (Department: 3683)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S073350, C188S162000, C188S158000, C303S191000, C310S077000

Reexamination Certificate

active

06988595

ABSTRACT:
A braking force is generated by using a rotation of an electric motor to move a piston, which presses friction members onto a rotor. The displacement of the piston is controlled such that a detection value of a resolver becomes a target value. In the case of brake noise due to vibration of the rotor, the displacement of the friction members with respect to the rotor fluctuates in connection with the rotation of the rotor, leading to fluctuations in a rotational amount of the electric motor. Therefore, in a simple method and apparatus, brake noise can be detected based upon the magnitude of the fluctuation amount in the detection value of the resolver.

REFERENCES:
patent: 6047794 (2000-04-01), Nishizawa
patent: 6679355 (2004-01-01), Suzuki
patent: 2004/0011603 (2004-01-01), Yokoyama et al.
patent: 2004/0182657 (2004-09-01), Kamiya et al.
patent: A-2000-283193 (2000-10-01), None
MAT(machine assisted translation) of JP-2000-283193-A obtained from the USPTO's STIC.

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