EP 1978315 A3 20141231 - Outdoor Unit for Multi-Air Conditioner
Title (en)
Outdoor Unit for Multi-Air Conditioner
Title (de)
Außeneinheit für eine Mehrzonenklimaanlage
Title (fr)
Unité extérieure pour climatiseur multiple
Publication
Application
Priority
KR 20070034425 A 20070406
Abstract (en)
[origin: EP1978315A2] An outdoor unit (10) applicable to not only a multi-air conditioner to perform heating and cooling operations simultaneously, but also a multi-air conditioner to perform a heating operation and a cooling operation separately. The outdoor unit (10) includes a compressor (11), an outdoor heat exchanger (12), first to third connecting valves (21-23) connected to pipes of a plurality of indoor units, respectively, a first 4-way valve (15) connected to a discharge side of the compressor for conversion of heating and cooling operations, a high-pressure gas pipe (26) to connect the first 4-way valve with the first connecting valve (21), a high-pressure liquid pipe (28) to connect the second connecting valve (22) with the outdoor heat exchanger (12), a first connecting pipe (24) to connect the outdoor heat exchanger (12) with the first 4-way valve (15), a second connecting pipe (25) to connect the first 4-way valve to a suction side of the compressor, and a low-pressure gas pipe (27) to guide a low-pressure gas refrigerant returned to the third connecting valve to the suction side of the compressor, and further includes a second 4-way valve (16) to convert a flow path so as to communicate the high-pressure gas pipe (26) with the third connecting valve (23) or to communicate the low-pressure gas pipe (27) with the third connecting valve (23).
IPC 8 full level
F25B 13/00 (2006.01); F25B 29/00 (2006.01)
CPC (source: EP KR)
F25B 13/00 (2013.01 - EP KR); F25B 2313/007 (2013.01 - EP KR); F25B 2313/023 (2013.01 - KR); F25B 2313/0231 (2013.01 - EP KR); F25B 2313/02742 (2013.01 - EP KR); F25B 2400/04 (2013.01 - EP KR)
Citation (search report)
- [A] EP 1643195 A2 20060405 - SAMSUNG ELECTRONICS CO LTD [KR]
- [A] JP 2004347164 A 20041209 - SAMSUNG ELECTRONICS CO LTD
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 1978315 A2 20081008; EP 1978315 A3 20141231; CN 100587351 C 20100203; CN 101280949 A 20081008; KR 100791930 B1 20080104
DOCDB simple family (application)
EP 07120875 A 20071116; CN 200710186493 A 20071122; KR 20070034425 A 20070406