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Patent Searching and Data


Title:
PROCESS TO PRETREAT FLUID IN MAGNETIC VALVE
Document Type and Number:
WIPO Patent Application WO/2005/111483
Kind Code:
A1
Abstract:
The present invention relates to a process to pretreat fluid in a magnetic valve, so as to prevent magnetic dirt fluid in a magnetic valve from attaching to magnetic valve seat and hence to prevent a leakage, so that the magnetic valve is kept in operation. The invention therefore provides the process, characterised in that, a permanent magnet is connected upstream of a valve inlet to attract the magnetic dirt, to pretreat fluid, and to prevent valve element from damage. The present invention is suitable for magnetic cut-off valve, magnetic check valve, magnetic reaction trap, etc.

Inventors:
WU JISHENG (CN)
WU JING (CN)
WU QIANQIAN (CN)
Application Number:
PCT/CN2005/000686
Publication Date:
November 24, 2005
Filing Date:
May 18, 2005
Export Citation:
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Assignee:
WU JISHENG (CN)
WU JING (CN)
WU QIANQIAN (CN)
International Classes:
B03C1/01; B03C1/28; B03C1/30; F16K31/08; F16K51/00; (IPC1-7): F16K31/08; B03C1/01
Foreign References:
CN2412784Y2001-01-03
CN1481493A2004-03-10
DE10205854A12003-04-10
Attorney, Agent or Firm:
KINGSOUND & PARTNERS (Block B KingSound International Center, 116 Zizhuyuan Roa, Haidian District Beijing 9, CN)
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