Refrigeration – Automatic control – Selective heating or cooling
Patent
1993-05-11
1994-06-28
Tanner, Harry B.
Refrigeration
Automatic control
Selective heating or cooling
62193, 622284, F25B 100
Patent
active
053236190
ABSTRACT:
A method of starting a compressor of an air conditioner involves raising the operation frequency of the compressor from zero to a target operation frequency in different patterns (stages), depending upon (1) whether the air conditioner is being operated in a heating mode or a cooling mode, and (2) whether, during a heating mode, the target operation frequency is in a high range, a medium range, or a low range. During a heating mode at either of the high and medium target frequency ranges, the compressor frequency is increased and decreased on its way to reaching the target operation frequency.
REFERENCES:
patent: 4724680 (1988-02-01), Kawai
patent: 4856286 (1989-08-01), Sulfstede et al.
patent: 5074120 (1991-12-01), Kitamoto
Samsung Electronics Co,. Ltd.
Tanner Harry B.
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