Brake control apparatus obtaining braking force by pressing of friction member using motor

  • US 20040011603A1
  • Filed: 03/19/2003
  • Published: 01/22/2004
  • Est. Priority Date: 03/20/2002
  • Status: Active Grant
First Claim
Patent Images

1. A vehicular brake apparatus comprising:

  • a motor that is electrically driven to revolve;

    a movement conversion portion for reducing a speed of revolution of the motor from a low gear ratio to a high gear ratio in at least two steps in accordance with one of a speed of revolution and a quantity of state according with a speed of revolution, and converting the revolution of the motor, which has been reduced in speed, to a linear movement; and

    a brake force generation portion for generating a braking force by pressing a friction member based on the linear movement by the movement conversion portion.

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