EP 3828413 A1 20210602 - HEAT PUMP COMPRISING A MUFFLER
Title (en)
HEAT PUMP COMPRISING A MUFFLER
Title (de)
WÄRMEPUMPE MIT SCHALLDÄMPFER
Title (fr)
POMPE À CHALEUR COMPRENANT UN SILENCIEUX
Publication
Application
Priority
EP 19212130 A 20191128
Abstract (en)
The invention comprises a heat pump comprising a heat source heat exchanger, a compressor, a utilization side heat exchanger and an expansion valve connected by refrigerant piping; and a muffler having first and second ports and a pressure pulsation reducing space, the pressure pulsation reducing space being in fluid communication with at least the first port and the second port, wherein the first and second ports are respectively connected to the refrigerant piping, characterized in that a first centre axis of the first port and a second centre axis of the second port are oriented so that a flow direction of refrigerant flowing in the refrigerant piping changes at least once between the first port and the second port.
IPC 8 full level
F04B 39/00 (2006.01); F25B 13/00 (2006.01); F25B 31/02 (2006.01)
CPC (source: EP)
F04B 39/0055 (2013.01); F04B 39/0061 (2013.01); F04B 39/0072 (2013.01); F25B 13/00 (2013.01); F25B 31/02 (2013.01); F25B 2500/12 (2013.01)
Citation (applicant)
EP 2058609 A1 20090513 - DAIKIN IND LTD [JP]
Citation (search report)
- [XY] JP H05322379 A 19931207 - HITACHI LTD, et al
- [Y] US 4330239 A 19820518 - GANNAWAY EDWIN L
- [Y] JP S5044959 U 19750507
- [XAY] US 2010242522 A1 20100930 - ISHIKAWA SATOSHI [JP], et al
- [Y] JP H09250845 A 19970922 - FUJITSU GENERAL LTD
- [A] ES 2258886 A1 20060901 - MITSUBISHI ELECTRIC CORP [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 19212130 A 20191128