发明名称 |
Refrigerant flow control system for use with refrigerator |
摘要 |
A refrigerant flow control system associated with a refrigerant circulating circuit having a compressor, a condenser, an expansion valve and an evaporator, includes a branch pipe extending from a discharge pipe of the compressor and having on sealed free end. A first temperature sensor is disposed on the branch pipe near the sealed free end for detecting a condensation temperature of a refrigerant which is condensed in the branch pipe. A second temperature sensor is disposed on the discharge pipe of the compressor for detecting a temperature of the gaseous refrigerant discharged from the compressor. The signals representative of the condensation temperature and the temperature of the discharge gaseous refrigerant are inputted to a control device. The control device calculates a difference between the two detected temperatures, and a degree of superheat of the discharged gaseous refrigerant and transfers to the expansion valve a command signal representative of the calculation results, thereby controlling an opening of the expansion valve.
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申请公布号 |
US4706469(A) |
申请公布日期 |
1987.11.17 |
申请号 |
US19870016404 |
申请日期 |
1987.02.19 |
申请人 |
HITACHI, LTD. |
发明人 |
OGUNI, KENSAKU;ISHIBANE, KYUHEI;KURODA, SHIGEAKI;YASUDA, HIROMU;SANO, TAKASHI;ETOU, HIRONORI |
分类号 |
F24F11/02;F25B13/00;F25B29/00;F25B41/06;G05D23/24;(IPC1-7):F25B41/04 |
主分类号 |
F24F11/02 |
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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