Title:
空気調和装置
Document Type and Number:
Japanese Patent JP6787482
Kind Code:
B2
Abstract:
An air conditioner (1, 101) has a refrigerant circuit (10, 110) which is formed by connecting an outdoor unit (2, 102) and an indoor unit (3). The refrigerant circuit (10, 110) has a refrigerant sealed therein. The refrigerant contains a hydrofluorocarbon having a property of undergoing a disproportionation reaction. The refrigerant circuit (10, 110) includes a refrigerant shutoff mechanism (24, 41, 43, 46, 47, 48) that shuts off a flow of the refrigerant from the outdoor unit (2, 102) side to the indoor unit (3) side when the refrigerant in a portion of the refrigerant circuit (10, 110) within the outdoor unit (2, 102) meets a predetermined condition.
Inventors:
Eiji Kumakura
Tetsuya Okamoto
Tetsuya Okamoto
Application Number:
JP2019509727A
Publication Date:
November 18, 2020
Filing Date:
March 23, 2018
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F25B49/02; C09K5/04; F25B1/00; F25B41/04
Domestic Patent References:
| JP4369370A | ||||
| JP5118720A | ||||
| JP2015214927A | ||||
| JP2000028237A | ||||
| JP2012127519A | ||||
| JP2011021837A | ||||
| JP11037619A | ||||
| JP2009210143A | ||||
| JP2007005034A |
Foreign References:
| WO2015136979A1 | ||||
| WO2015140876A1 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation