Hydraulic control device and brake device using same
First Claim
1. A brake device comprising:
- a main piston slidably mounted within a caliper body of said brake device;
a cylinder body provided inside an inner periphery of said piston;
a sealed fluid chamber which is formed by said cylinder body and an inner peripheral surface of said main piston, and is filled with a fluid;
a shaft rotatably mounted on said cylinder body;
pressure control pistons driven by said shaft to move into and out of said fluid chamber;
a linear movement conversion mechanism provided between said shaft and each of said pressure control pistons so as to convert a rotation of said shaft into a linear movement of said pressure control pistons;
a motor for rotating said shaft;
a speed changer provided between said shaft and said motor so as to transmit the number of revolutions of said motor to said shaft in a manner to reduce said number of revolutions; and
an electronic control unit (ECU) for controlling said motor.
1 Assignment
0 Petitions
Accused Products
Abstract
A brake device includes a main piston slidably mounted within a caliper body of the brake device, a cylinder body provided inside an inner periphery of the piston, a sealed fluid chamber which is formed by the cylinder body and an inner peripheral surface of the main piston, and is filled with a fluid, a shaft rotatably mounted on the cylinder body, pressure control pistons which are driven by the shaft to move into and out of the fluid chamber, a linear movement conversion mechanism provided between the shaft and each of the pressure control pistons so as to convert a rotation of the shaft into a linear movement of the pressure control piston, a motor for rotating the shaft, a speed changer provided between the shaft and the motor so as to transmit the number of revolutions of the motor to the shaft in a manner to reduce the number of revolutions, and an electronic control unit (ECU) for controlling the motor.
17 Citations
3 Claims
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1. A brake device comprising:
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a main piston slidably mounted within a caliper body of said brake device; a cylinder body provided inside an inner periphery of said piston; a sealed fluid chamber which is formed by said cylinder body and an inner peripheral surface of said main piston, and is filled with a fluid; a shaft rotatably mounted on said cylinder body; pressure control pistons driven by said shaft to move into and out of said fluid chamber; a linear movement conversion mechanism provided between said shaft and each of said pressure control pistons so as to convert a rotation of said shaft into a linear movement of said pressure control pistons; a motor for rotating said shaft; a speed changer provided between said shaft and said motor so as to transmit the number of revolutions of said motor to said shaft in a manner to reduce said number of revolutions; and an electronic control unit (ECU) for controlling said motor. - View Dependent Claims (2, 3)
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Specification