SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE

Registre Brevet WIPO
Numéro d'application JP2020045715
Numéro de publication 2022/123657
Statut Délivré - en vigueur
Date de dépôt 2020-12-08
Date de publication 2022-06-16
Propriétaire HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (Japon)
Inventeur(s)
  • Iijima Ryota
  • Matsunaga Kazuyuki

Abrégé

Provided is a highly reliable scroll compressor, etc., having a simple configuration. This scroll compressor (100) comprises: a sealed container (1); an electric motor (4); a crankshaft (3); a fixed scroll (21); a turning scroll (22); an upper frame (23); and a lower frame (7). The lower frame (7) has a flange (73) in at least a part of the circumferential edge thereof. A part in the vicinity of the lower end of a cylindrical chamber (11) and a part in the vicinity of the edge of a bottom chamber (13) are fixed in a state of sandwiching the flange (73) therebetween. A lateral surface groove (73a) recessed radially inward is provided to the lateral surface of the flange (73) in the circumferential direction.

Classes IPC  ?

  • 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 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups