| 摘要 |
PCT No. PCT/DE97/02084 Sec. 371 Date Apr. 7, 1999 Sec. 102(e) Date Apr. 7, 1999 PCT Filed Sep. 18, 1997 PCT Pub. No. WO98/17516 PCT Pub. Date Apr. 30, 1998A slip-controlled hydraulic vehicle brake system having brake lines that extend between a dual-circuit master cylinder and a respective wheel brake cylinder. A shutoff valve in the respective brake line. A bypass line that bypasses the respective shutoff valve. A pump in the respective bypass line for pumping pressure fluid, drawn from the associated wheel brake cylinder to the master cylinder. The pump (30) is also embodied to feed pressure fluid from the master cylinder to the wheel brake cylinder. The pump is a recirculating positive-displacement vane cell pump. The pump in the bypass lines has a common drive motor whose rotational direction can be reversed. The vehicle brake system is embodied for anti-lock and traction control operation at no additional expense for equipment.
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