| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a brake system which can efficiently supply a suction chamber of a brake booster with negative pressure.SOLUTION: A brake system 1 comprises: a first passage L1; a check valve CV2; a bypass passage LA which bypasses a throttle valve 42; an ejector 30 which is disposed in the bypass passage LA and generates negative pressure; a vacuum switching valve VSV32 which controls flow rate of inflowing gas to the ejector 30; a second passage L2; an electrically-driven vacuum pump 18 which is disposed in the second passage L2; and a check valve CV4.</p> |
