REFRIGERANT CHANNEL SWITCHING UNIT AND AIR CONDITIONER

WIPO Patent Application WO/2018/198726

A1

Provided are a refrigerant channel switching unit and an air conditioner in which the interior of a case can be filled with a foaming agent fully without spaces therein and with which the number of foam fillings and the fill volume can be reduced. A refrigerant channel switching unit 1 comprises: a case 30; a refrigerant channel switching circuit assembly 15 that is disposed in the case 30 and that has a plurality of refrigerant channel switching circuits 14 each of which includes a second high-low pressure gas pipe 9, a second low pressure gas pipe 10, a high-low pressure motor-operated valve 11 provided in the second high-low pressure gas pipe 9, and a low-pressure motor-operated valve 12 provided in the second low pressure gas pipe 10; a liquid pipe assembly 16 that is disposed in the case 30 and that has a plurality of second liquid pipes 8 connected to a plurality of indoor units 3; and first partition plates 18 each of which is provided between adjacent refrigerant channel switching circuits 14 in the case 30 and which partition the internal space of the case 30; wherein the spaces defined by the first partition plates 18 each assume a substantially cuboid shape and are filled with a foaming agent 21.

KINOSHITA HIROKI (JP)
TSUCHIHASHI KAZUHIRO (JP)
FUSHIMI NAOYUKI (JP)
MOCHIZUKI TOSHIKI (JP)
INOUE SHUNTARO (JP)
MUROFUSHI MASAYOSHI (JP)
IWASHINA YOSHINORI (JP)
TANI KAZUHIKO (JP)

PCT/JP2018/014740

November 01, 2018

April 06, 2018

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HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)

F25B13/00; F25B41/00

WO2017042967A1

2017-03-16

JP2013174424A	2013-09-05
JP2015158319A	2015-09-03

See also references of EP 3617613A4

WILLFORT INTERNATIONAL PATENT FIRM (JP)

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