Heat pump type conditioner and exterior unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Oct 31, 2000
filing date -
Oct 31, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat pump type air conditioner comprising: an exterior unit including an exterior heat exchanger, a plurality of compressors, a four-way valve, an exterior expansion device, and an injection circuit for injecting the liquid refrigerant into each of the plurality of compressors; and a plurality of interior units, each of which includes an interior heat exchanger, connected to the exterior unit. The exterior unit further comprises device for controlling flow rate of the liquid refrigerant to be injected in accordance with number of the plurality of interior units.
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