COMPRESSOR AND AIR-CONDITIONER

Registre Brevet WIPO
Numéro d'application JP2019050810
Numéro de publication 2020/202676
Statut Délivré - en vigueur
Date de dépôt 2019-12-25
Date de publication 2020-10-08
Propriétaire HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (Japon)
Inventeur(s)
  • Nozaki Tsutomu
  • Matsunaga Kazuyuki
  • Kurono Ryo

Abrégé

Provided is a highly reliable compressor or the like. A compressor (100) is provided with: an airtight container (1) in which lubricating oil is sealed; an electric motor (6) which has a stator (6a) and a rotor (6b) and which is installed inside the airtight container (1); a crankshaft (3) that rotates integrally with the rotor (6b); a compression mechanism part (2) that compresses a refrigerant in association with rotation of the crankshaft (3); a discharge pipe (Pb) through which the refrigerant compressed by the compression mechanism part (2) is guided to the outside of the airtight container (1); and a cylindrical oil ring (15) that is provided between the compression mechanism part (2) and the electric motor (6). At a lower part of the oil ring (15), a slit (s1) is provided as a first insertion part through which the discharge pipe (Pb) is inserted.

Classes IPC  ?

  • F04B 39/02 - Lubrication
  • F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
  • F04C 29/02 - Lubrication; Lubricant separation