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1. (WO2018066125) ENCLOSED COMPRESSOR

Pub. No.:    WO/2018/066125    International Application No.:    PCT/JP2016/079944
Publication Date: Fri Apr 13 01:59:59 CEST 2018 International Filing Date: Sat Oct 08 01:59:59 CEST 2016
IPC: F04C 18/356
F04C 29/06
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: ENDO, Katsumi
遠藤 勝巳
Title: ENCLOSED COMPRESSOR
Abstract:
This enclosed compressor (100) is configured such that a compression mechanism (3) is provided with a drive shaft (4), a cylinder (31), an upper bearing (33), a lower bearing (34), and muffler chambers (39a, 40a). The upper bearing (33) and/or the lower bearing (34) is provided with soft structure grooves (61, 64) open to the cylinder (31) side and forming a thin wall section between the soft structure grooves (61, 64) and the bearing hole (33c, 34c) of the upper bearing (33) or the lower bearing (34), the bearing hole (33c, 34c) allowing the drive shaft (4) to extend therethrough. The soft structure grooves (61, 64) are provided with communication holes (63, 66) for providing communication between the soft structure grooves (61, 64) and the muffler chambers (39a, 40a).