发明名称 |
Supercooling degree control type expansion valve |
摘要 |
<p>In a supercooling degree control type expansion valve a differential pressure regulating valve (4, 5 6) is provided upstream of a restriction passage 8. Valve element 5 contains or defines an oil passage 11 even when the differential pressure regulating valve is closed during low load operation of the compressor, to allow refrigerant to flow at a minimum flow rate and to return oil contained in the refrigerant to the compressor, whereby the seizure of the compressor can be prevented. <IMAGE> <IMAGE></p> |
申请公布号 |
EP1167899(A2) |
申请公布日期 |
2002.01.02 |
申请号 |
EP20010115006 |
申请日期 |
2001.06.20 |
申请人 |
TGK CO., LTD. |
发明人 |
HISATOSHI HIROTA;YUUSUKE, INOUE |
分类号 |
F16K1/38;B60H1/32;F16K15/04;F16K17/04;F25B31/00;F25B41/06;G05D16/10;(IPC1-7):F25B41/06;F16K31/12;G05D7/00 |
主分类号 |
F16K1/38 |
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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