发明名称 |
Refrigerator and method for indicating refrigerant amount |
摘要 |
A heat-pump device indicates a weight of inappropriate amount of refrigerant in a heat-pump cycle by comparing an actual amount of refrigerant in the heat-pump cycle with an appropriate amount thereof, operates in accordance with a refrigerant amount judging operational mode when the actual amount of refrigerant is measured, and includes a judging device for judging the amount of refrigerant in the heat-pump cycle on the basis of a temperature of refrigerant at a condensor side and at least one information showing an operational condition of the heat-pump cycle.
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申请公布号 |
US5214918(A) |
申请公布日期 |
1993.06.01 |
申请号 |
US19900625827 |
申请日期 |
1990.12.11 |
申请人 |
HITACHI, LTD. |
发明人 |
OGUNI, KENSAKU;NAKAYAMA, SUSUMU;YASUDA, HIROMU;MINAKATA, RUMI;URATA, KAZUMOTO;MURAMATSU, MASATOSHI;SENSHU, TAKAO;TOKUSA, KENJI |
分类号 |
F25B45/00;F25B13/00;F25B49/00;F25B49/02 |
主分类号 |
F25B45/00 |
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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