Title:
空気調和装置
Document Type and Number:
Japanese Patent JP6787007
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To suppress noise generated at indoor units when two-phase transmittance of refrigerant through a hydraulic adjustment expansion valve is carried out at an air conditioner comprising an outdoor unit; a plurality of indoor units including indoor heat exchangers; relay units for changing over a plurality of indoor heat exchangers individually to cause them to act as either a refrigerant evaporator or a radiator; and a liquid refrigerant communication pipe and a gas refrigerant communication pipe connecting the outdoor unit with the indoor units through the relay unit.SOLUTION: Relay units (4a, 4b, 4c, 4d) are provided with relay refrigerant coolers (75a, 75b, 75c, 75d) for cooling refrigerant of which pressure is reduced at a fluid pressure adjustment expansion valve (26).SELECTED DRAWING: Figure 1
Inventors:
Takuro Yamada
Yusuke Nakagawa
Yusuke Oka
Yusuke Nakagawa
Yusuke Oka
Application Number:
JP2016192562A
Publication Date:
November 18, 2020
Filing Date:
September 30, 2016
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F25B1/00; F25B13/00
Domestic Patent References:
| JP2008180422A | ||||
| JP2004219046A | ||||
| JP2014129976A |
Foreign References:
| KR1020080056951A | ||||
| WO2015029160A1 | ||||
| CN101245957A | ||||
| WO2014054154A1 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation