发明名称 Magnetically driven pump
摘要 An electromagnetically driven pump in which a stationary metallic shaft carries the pump impeller. The shaft is rigidly secured to a metallic separating wall having an outer flange secured to the coupling housing. The impeller is driven by a magnetic coupling and the separating wall extends between the elements of said coupling to prevent fluid communication therebetween.
申请公布号 US4226574(A) 申请公布日期 1980.10.07
申请号 US19780900481 申请日期 1978.04.27
申请人 VILLETTE, GUY J. 发明人 VILLETTE, GUY J.
分类号 F04D7/06;F04D13/02;(IPC1-7):F04B17/00 主分类号 F04D7/06
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