SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE

Registre Brevet WIPO
Numéro d'application JP2021025201
Numéro de publication 2023/276157
Statut Délivré - en vigueur
Date de dépôt 2021-07-02
Date de publication 2023-01-05
Propriétaire HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (Japon)
Inventeur(s)
  • Iijima Ryota
  • Matsunaga Kazuyuki

Abrégé

In order to provide a highly reliable scroll compressor, etc. This scroll compressor (100) comprises: a sealed container (1); an electric motor (4); a crankshaft (3); a fixed scroll (22); an orbiting scroll (23); an orbiting bearing (13) that pivotally supports the crankshaft (3) so that the crankshaft (3) is able to rotate with respect to the orbiting scroll (23); and a frame (21) that has a through-hole (H1) for the crankshaft (3) and supports the fixed scroll (22), the scroll compressor (100) further comprising an orbiting balance weight (14) provided between the frame (21) and a mirror plate (23a) and rotating with the crankshaft (3), wherein the crankshaft (3) and the orbiting balance weight (14) are fitted together, and a gap is provided between a protruding part (31b) on the crankshaft (3) side and a fitting hole on the orbiting balance weight (14) side.

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