Outdoor unit

To provide an outdoor unit of an air conditioner that can suppress the blowing noise of a fan without lowering operating efficiency. An outdoor unit (2) is disposed with an outdoor heat exchanger (13), an outdoor fan (29) and a controller (4). The outdoor heat exchanger (13) performs heat exchange w...

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Main Authors KATSUNORI MURATA, HIDEKI SANGENYA
Format Patent
LanguageEnglish
Published 11.10.2007
Subjects
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
RANGES
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
VENTILATING
WEAPONS
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Abstract To provide an outdoor unit of an air conditioner that can suppress the blowing noise of a fan without lowering operating efficiency. An outdoor unit (2) is disposed with an outdoor heat exchanger (13), an outdoor fan (29) and a controller (4). The outdoor heat exchanger (13) performs heat exchange with air as an evaporator during heating operation. The outdoor fan (29) generates an air flow that passes a surface of the outdoor heat exchanger (13). The controller (4) performs in-frost fan control for lowering the rotational speed of the outdoor fan (29) when frost formation on the outdoor heat exchanger (13) is detected or estimated.
AbstractList To provide an outdoor unit of an air conditioner that can suppress the blowing noise of a fan without lowering operating efficiency. An outdoor unit (2) is disposed with an outdoor heat exchanger (13), an outdoor fan (29) and a controller (4). The outdoor heat exchanger (13) performs heat exchange with air as an evaporator during heating operation. The outdoor fan (29) generates an air flow that passes a surface of the outdoor heat exchanger (13). The controller (4) performs in-frost fan control for lowering the rotational speed of the outdoor fan (29) when frost formation on the outdoor heat exchanger (13) is detected or estimated.
Author HIDEKI SANGENYA
KATSUNORI MURATA
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RelatedCompanies DAIKIN INDUSTRIES, LTD
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Snippet To provide an outdoor unit of an air conditioner that can suppress the blowing noise of a fan without lowering operating efficiency. An outdoor unit (2) is...
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SourceType Open Access Repository
SubjectTerms AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
RANGES
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
VENTILATING
WEAPONS
Title Outdoor unit
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