AIR CONDITIONER

Registre Brevet WIPO
Numéro d'application JP2019034072
Numéro de publication 2021/038818
Statut Délivré - en vigueur
Date de dépôt 2019-08-30
Date de publication 2021-03-04
Propriétaire HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (Japon)
Inventeur(s)
  • Sotome Satoshi
  • Kato Tomohiro
  • Yoshimura Shunsuke

Abrégé

Provided is an air conditioner that keeps an outdoor heat exchanger clean. The air conditioner (100) comprises: a refrigerant circuit (Q) having a compressor (11), an indoor heat exchanger 16, an expansion valve (15), and an outdoor heat exchanger 12; and a control unit that controls at least the compressor (11) and the expansion valve (15). The control unit performs first processing for freezing or condensing the lower part of the outdoor heat exchanger (12). This ensures that the outdoor heat exchanger (12) of the air conditioner (100) is in a clean state.

Classes IPC  ?

  • F24F 11/42 - Defrosting; Preventing freezing of outdoor units
  • F24F 1/14 - Heat exchangers specially adapted for separate outdoor units
  • F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks