FREEZER
- 申请公布号:
- JP2002174473(A)
- 申请号:
- JP20000374323
- 申请日期:
- 2000.12.08
- 申请公布日期:
- 2002.06.21
- 申请人:
- DAIKIN IND LTD
- 发明人:
- TAKEGAMI MASAAKI;TANIMOTO KENJI;NOMURA KAZUHIDE
- 分类号:
- F25B1/00;F25B45/00;F25B49/02;(IPC1-7):F25B45/00
- 主分类号:
- F25B1/00
- 摘要:
- PROBLEM TO BE SOLVED: To prevent the liquid back from a receiver (33) to compressors (41 and 42), at the time of charge, etc., of a refrigerant. SOLUTION: The receiver (33) and the suction side of the compressors (41 and 42) are connected with each other through a gas bleed pipe (64), and the gas bleed pipe (64) is provided with an opening and closing valve (65) and a temperature sensor (78). Then, this freezer controls the opening and closing valve (65) and the compressors (41 and 42) by judging the degree of overheating of the sucked refrigerant from the pressure of the sucked refrigerant of the compressors (41 and 42) and the temperature of the refrigerant flowing in the gas bleed pipe (64) when it opens the opening and closing valve (65) of the gas bleed valve (64).
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