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Cooling water temperature controlling apparatus

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专利名称:Cooling water temperature controlling

apparatus

发明人:Mamoru Sumida,Masashi Hashimoto,Osamu

Matsumoto

申请号:US07/622655申请日:19901205公开号:US05111775A公开日:19920512

摘要:A cooling water temperature controlling apparatus for an internal combustionengine comprises a butterfly valve placed in a cooling water passage for the internalcombustion engine at a position between the inlet port of a radiator and the inlet port ofa radiator bypass pipe, and a stepper motor connected to the butterfly valve through areduction gear having a worm gear wheel so as to adjust a degree of opening of thebutterfly valve depending on the temperature of cooling water.

申请人:MITSUBISHI DENKI K.K.

代理机构:Sughrue, Mion, Zinn, Macpeak & Seas

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