Patent ID: 7448698

Claim:
A brake fluid pressure control actuator comprising: a housing having a front surface and a back surface, the housing being formed with a passage connecting a master cylinder and a wheel cylinder, and a port connecting the passage to the master cylinder; a plurality of control valves for controlling brake fluid pressure applied to the wheel cylinder, the control valves being positioned at the front surface of the housing; a reservoir positioned in the housing and connected to the passage; and a pump positioned in the housing, the pump sucking up brake fluid from the master cylinder via the port, and discharging brake fluid toward the wheel cylinder via the passage, wherein the reservoir is positioned in a vicinity of the port connected to the master cylinder, and the pump is positioned at a position below the reservoir, the reservoir is connected to a suction port of a pump to supply the brake fluid to the suction port of the pump, the plurality of control valves include four pressure increase control valves positioned in a row, and four pressure decrease control valves positioned in a row, the respective rows being aligned with each other, the reservoir is positioned above the rows of the four pressure increase control valves and the four pressure decrease control valves, and the pump is positioned below the rows of the four pressure increase control valves and the four pressure decrease control valves.