SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE

Registre Brevet WIPO
Numéro d'application JP2020023883
Numéro de publication 2021/255881
Statut Délivré - en vigueur
Date de dépôt 2020-06-18
Date de publication 2021-12-23
Propriétaire HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (Japon)
Inventeur(s)
  • Chikano Masatsugu
  • Iijima Ryota
  • Yanagase Yuuichi
  • Oyamada Tomonaga

Abrégé

Provided is a scroll compressor, etc., having high performance and reliability. The scroll compressor comprises a closed container, a fixed scroll (22), an orbiting scroll (23), a frame (21), an electric motor, and a shaft (3). Furthermore, the scroll compressor comprises a main bearing (11) installed in a shaft insertion hole (hf), an orbiting bearing (12) installed on an orbiting shaft (23c), a slide bush (13) installed in an eccentric hole (he) on the radially outer side of the orbiting bearing (12), and a ring (14) that closes an annular gap (g1) between an upper-end part (3b) of the shaft (3) and the slide bush (13) from above. Axial-direction installation areas (Q1, Q2) of the main bearing (11) and the orbiting bearing (12) overlap at least partially.

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