Search International and National Patent Collections

1. (WO2018079472) AIR CONDITIONING DEVICE

Pub. No.:    WO/2018/079472    International Application No.:    PCT/JP2017/038154
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Tue Oct 24 01:59:59 CEST 2017
IPC: F25B 49/02
F24F 11/02
F25B 13/00
F25B 41/04
Applicants: DAIKIN INDUSTRIES, LTD.
ダイキン工業株式会社
Inventors: YAMADA, Takuro
山田 拓郎
NAKAGAWA, Yuusuke
中川 裕介
OKA, Yuusuke
岡 祐輔
Title: AIR CONDITIONING DEVICE
Abstract:
A control unit (19) of an air conditioning device (1) performs a first shut-off control for, on the basis of information from a coolant leakage detection means (79a, 79b, 79c, 79d) when there is coolant leakage, opening a liquid relay shut-off valve (71a, 71b, 71c, 71d), and closing an indoor expansion valve (51a, 51b, 51c, 51d) and a gas relay shut-off valve (66a, 66b, 66c, 66d, 67a, 67b, 67c, 67d).