发明名称 |
Cooling water control valve and cooling water circuit system employing the same |
摘要 |
According to the present invention, in a cooling water control valve disposed in a cooling water circuit of a water-cooled engine, switching of the cooling water flowing into and out of a heat-accumulating tank and control of an amount of the cooling water passing through a bypass water passage are performed by a single control valve element. Further, a bypass water passage is opened according to a decrease of an absolute of intake negative pressure detected by a pressure sensor and is closed according to the increase of the absolute of the intake negative pressure.
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申请公布号 |
US5809944(A) |
申请公布日期 |
1998.09.22 |
申请号 |
US19970924441 |
申请日期 |
1997.08.26 |
申请人 |
DENSO CORPORATION |
发明人 |
AOKI, SHINJI;MORIKAWA, TOSHIO;INOUE, YOSHIMITSU |
分类号 |
F01P3/20;B60H1/00;F01P7/14;F01P7/16;F01P11/20;F02B29/04;(IPC1-7):F01P7/00 |
主分类号 |
F01P3/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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