Registre Brevet WIPO
Numéro d'application JP2019029974
Numéro de publication 2021/019714
Statut Délivré - en vigueur
Date de dépôt 2019-07-31
Date de publication 2021-02-04
  • Osawa Akira
  • Hill Joe
  • Uehashi Yuusuke
  • Morita Eri


This hermetic compressor comprises a main bearing that supports a main shaft part of a rotating shaft that drives a compression mechanism part, a main frame that accommodates the main bearing, an electric motor that drives the rotating shaft, an auxiliary bearing that is disposed on a counter-main-frame side of the electric motor and that supports an auxiliary shaft part of the rotating shaft, a sub frame that accommodates the auxiliary bearing, and a hermetic container that accommodates the main frame and the sub frame. The sub frame has an auxiliary bearing accommodation part that is formed on an inner peripheral side of the sub frame and that accommodates the auxiliary bearing, a plurality of press-in parts formed on an outer peripheral side of the sub frame and pressed into the hermetic container, and a plurality of auxiliary-bearing-holding beams connecting the auxiliary bearing accommodation part and the press-in parts, and the sub frame is further provided with a press-in-part-connecting beam that connects the plurality of provided press-in parts to each other in a circumferential direction.

Classes IPC  ?

  • F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups