专利名称：Pump assembly for use in a brake system of
a vehicle
发明人：Ralf Zitzelsberger申请号：US09457685申请日：19991209公开号：US06290308B1公开日：20010918
专利附图：
摘要：The invention relates to a pump assembly for pumping brake fluid into ahydraulic slip-controlled vehicle brake system. To achieve a simple, compact constructionof the pump assembly, the invention proposes embodying the pump assembly with an
electromagnet which has a permanent magnet and is driven into an oscillating motion bybeing supplied with an alternating voltage; a moving part of the electromagnet is solidlyconnected to a tappet, both of whose ends form pistons of two piston pumps.
申请人：ROBERT BOSCH GMBH
代理人：Ronald E. Greigg,Edwin E. Greigg
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