Air conditioning apparatus

This air conditioning device 1 has the following two possible operations: a first parallel heating and defrosting operation in which hot gas discharged from a compressor 2 is supplied to a first heat source-side heat exchanger 6a by closing a first heat-source side decompression device 5a and openin...

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1. Verfasser: Shuhei Mizutani
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creator Shuhei Mizutani
description This air conditioning device 1 has the following two possible operations: a first parallel heating and defrosting operation in which hot gas discharged from a compressor 2 is supplied to a first heat source-side heat exchanger 6a by closing a first heat-source side decompression device 5a and opening a first electromagnetic valve 24, and in which a low temperature and low pressure two-phase refrigerant is supplied to a third heat source-side heat exchanger 6c by closing a second electromagnetic valve 26 and opening a third heat source-side decompression device 5c; and a second parallel heating and defrosting operation in which the low temperature and low pressure two-phase refrigerant is supplied to the first heat source-side heat exchanger 6a by closing the first electromagnetic valve 24 and opening the first heat source-side decompression device 5a, and in which the hot gas discharged from the compressor 2 is supplied to the third heat source-side heat exchanger 6c by closing the third heat source-side decompression device 5c and opening the second electromagnetic valve 26. The air conditioning device is provided with a control device 500 that, when the first parallel heating and defrosting operation or the second parallel heating and defrosting operation is executed, supplies the hot gas discharged from the compressor 2 to a second heat source-side heat exchanger 6b by closing a second heat source-side decompression device 5b, and opening a bypass decompression device 28 and adjusting the opening degree thereof.
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The air conditioning device is provided with a control device 500 that, when the first parallel heating and defrosting operation or the second parallel heating and defrosting operation is executed, supplies the hot gas discharged from the compressor 2 to a second heat source-side heat exchanger 6b by closing a second heat source-side decompression device 5b, and opening a bypass decompression device 28 and adjusting the opening degree thereof.</description><language>eng</language><subject>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</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20200826&amp;DB=EPODOC&amp;CC=GB&amp;NR=2552891C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20200826&amp;DB=EPODOC&amp;CC=GB&amp;NR=2552891C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Shuhei Mizutani</creatorcontrib><title>Air conditioning apparatus</title><description>This air conditioning device 1 has the following two possible operations: a first parallel heating and defrosting operation in which hot gas discharged from a compressor 2 is supplied to a first heat source-side heat exchanger 6a by closing a first heat-source side decompression device 5a and opening a first electromagnetic valve 24, and in which a low temperature and low pressure two-phase refrigerant is supplied to a third heat source-side heat exchanger 6c by closing a second electromagnetic valve 26 and opening a third heat source-side decompression device 5c; and a second parallel heating and defrosting operation in which the low temperature and low pressure two-phase refrigerant is supplied to the first heat source-side heat exchanger 6a by closing the first electromagnetic valve 24 and opening the first heat source-side decompression device 5a, and in which the hot gas discharged from the compressor 2 is supplied to the third heat source-side heat exchanger 6c by closing the third heat source-side decompression device 5c and opening the second electromagnetic valve 26. 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The air conditioning device is provided with a control device 500 that, when the first parallel heating and defrosting operation or the second parallel heating and defrosting operation is executed, supplies the hot gas discharged from the compressor 2 to a second heat source-side heat exchanger 6b by closing a second heat source-side decompression device 5b, and opening a bypass decompression device 28 and adjusting the opening degree thereof.</abstract><oa>free_for_read</oa></addata></record>
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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
title Air conditioning apparatus
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