| 摘要 |
PROBLEM TO BE SOLVED: To provide a brake fluid pressure control device capable of preventing worsening of brake operating feeling when a brake operation member is operated by a driver by preventing the generation of air in a secondary circuit. SOLUTION: This brake fluid pressure control device includes a secondary circuit connected between M/C13 and respective booster control valves 16, 17 in a passage A through a passage A3; and control valves 18, 23 in the passage. With such a constitution, negative pressure generated in the secondary circuit can be eliminated by repeated switching between an excited state and a non-excited state of the control valves 18, 23. This can prevent a stroke of the brake operation member from increasing by an air volume, which is caused by the air generated when the negative pressure is generated in the secondary circuit, thus preventing the deterioration in brake operating feeling when a driver operates the brake operation member. COPYRIGHT: (C)2007,JPO&INPIT
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