| 摘要 |
PCT No. PCT/EP91/01243 Sec. 371 Date Apr. 29, 1992 Sec. 102(e) Date Apr. 29, 1992 PCT Filed Jul. 3, 1991 PCT Pub. No. WO92/04215 PCT Pub. Date Mar. 19, 1992.To insure that no air bubbles are included in a pump of an anti-locking system, the pump is placed into the master brake conduit, thereby causing it to be scavenged by manual brake operation. Once a brake pressure of about 5 bar is attained, a switch-over valve (28) is switched-over, causing the master brake conduit in the pressure build-up direction to be blocked. Additionally pressure fluid is supplied to the secondary conduit (26) and a pressure opening valve (27). The pressure decrease is effected through the direct conduit (13). In the event of a brake slip control, the pump takes in pressure fluid from the reservoir (25) through the suction valve (22).
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