Refrigeration – Automatic control – Diverse – cascade or compound refrigeration-producing system
Reexamination Certificate
2007-07-10
2007-07-10
Jiang, Chen Wen (Department: 3744)
Refrigeration
Automatic control
Diverse, cascade or compound refrigeration-producing system
C062S193000, C062S228400, C062S228500, C062S510000
Reexamination Certificate
active
10917287
ABSTRACT:
A method for controlling operations of an air-conditioner includes: a step in which when an operation load of an air-conditioner increases, if an outputted compressing capacity of the air-conditioner is smaller than a compressing capacity corresponding to the operation load and an operation frequency of the first compressor is a maximum frequency of the first compressor, a second compressor is operated; and a step in which when the operation load is reduced, if the outputted compressing capacity of the air-conditioner is greater than the compressing capacity corresponding to the operation load and the operation frequency of the first compressor is a minimum frequency of the first compressor, the second compressor is stopped.
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English Language Abstract of JP 9-113035.
English Language Abstract of JP 5-157374.
Cha Woo-Ho
Cho Eun-Jun
Choi Chang-Min
Choi Young-Seob
Hwang Yoon-Jei
Greenblum & Bernstein P.L.C.
Jiang Chen Wen
LG Electronics Inc.
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