Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REFRIGERANT RECOVERY METHOD, REFRIGERATION AIR CONDITIONING DEVICE, AND REFRIGERANT RECOVERY SYSTEM
Document Type and Number:
Japanese Patent JP2016001097
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigerant recovery method capable of more efficiently performing refrigerant recovery than conventional ones.SOLUTION: A refrigerant recovery method where gas refrigerant in a refrigerant circuit of a multi-air conditioner 10 for a building is suctioned and compressed, and compressed refrigerant is condensed and recovered, includes a step of dividing the refrigerant circuit into a plurality of areas, communicating a refrigerant recovery part 21 to one of the plurality of areas and suctioning gas refrigerant. The refrigerant recovery method repeats a step of switching the area to which the refrigerant recovery part 21 is communicated and suctioning gas refrigerant from a different area from the area to which the refrigerant recovery part 21 is communicated.

Inventors:
CHIKAISHI MASAHIRO
WADA NOBORU
INANAGA YASUTAKA
KOMATSU KAZUHIRO
FURUKAWA YOSHIMICHI
KOBORI SHINGO
Application Number:
JP2014121774A
Publication Date:
January 07, 2016
Filing Date:
June 12, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP
MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD
International Classes:
F25B45/00
Domestic Patent References:
JPH1151512A1999-02-26
JP2014085082A2014-05-12
JPH06257898A1994-09-16
JP2002147903A2002-05-22
JPH1151512A1999-02-26
JPH1047814A1998-02-20
JPH1047814A1998-02-20
Attorney, Agent or Firm:
特許業務法人きさ特許商標事務所