Title:
OUTDOOR UNIT AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/011952
Kind Code:
A1
Abstract:
Provided are an outdoor unit and an air conditioning device which enable a worker to recognize the refrigerant type reliably, thereby improving safety and reliability. The outdoor unit is equipped with refrigerant piping connection valves (8, 9), which are provided with a service port (23), which is for charging a refrigerant and is sealed by means of a hexagonal sealing nut (34) that is removed when charging the refrigerant. In addition, the outdoor unit is equipped with a structure that differentiates the external diameter and/or the shape and/or the external appearance of the hexagonal sealing nut (34) from that of a hexagonal sealing nut provided on a refrigerant charging service port using a different type of refrigerant, and/or the outdoor unit is equipped with a warning means that requires work on the part of the worker when removing the hexagonal sealing nut (34).
Inventors:
MOCHIZUKI TATSUYA (JP)
TANABE YOSHIHIRO (JP)
KAWAHARA KENTA (JP)
KUBONO TOSHIYUKI (JP)
JINNAI HIROYUKI (JP)
TANABE YOSHIHIRO (JP)
KAWAHARA KENTA (JP)
KUBONO TOSHIYUKI (JP)
JINNAI HIROYUKI (JP)
Application Number:
PCT/JP2014/058628
Publication Date:
January 29, 2015
Filing Date:
March 26, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B45/00; F25B1/00; F25B41/00
Foreign References:
| JPH07269904A | 1995-10-20 | |||
| JPH10311630A | 1998-11-24 | |||
| JPH10281598A | 1998-10-23 | |||
| JPH06194011A | 1994-07-15 | |||
| JPH10311629A | 1998-11-24 | |||
| JPH10311629A | 1998-11-24 |
Other References:
See also references of EP 3026374A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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