Title:
ROTARY COMPRESSOR
Document Type and Number:
Japanese Patent JP2023078908
Kind Code:
A
Abstract:
To provide a rotary compressor with a small-diameter.SOLUTION: A rotary compressor 100 is equipped with a sealed contained 1 forming an outer shell, a motor element 2 and a compression element 3 stored in the sealed container 1, a storage portion 4 that stores refrigerator oil in a bottom portion of the sealed container 1, and a rotary shaft 5 to which the motor element 2 and the compression element 3 are coupled. The compression element 3 has cylindrical cylinders 31a and 31b, annular rollers 32a and 32b that are disposed in the cylinders 31a and 31b and rotatably fitted with eccentric shaft portions 51a and 51b provided on the rotary shaft 5, vans 36a and 36b that abut on outer peripheral surfaces of the rollers 32a and 32b to reciprocate in radial directions of the cylinders 31a and 31b, and springs 37a and 37b that are installed at rear end portions of the vanes 36a and 36b. The rear end portions of the vanes 36a and 36b project outward from an inner peripheral surface 1n of the sealed container 1 when reciprocating.SELECTED DRAWING: Figure 2
Inventors:
ENDO KAZUHIRO
NAGATA SHUHEI
AKISAWA TAKEHIRO
NAKAMURA KOSAKU
NAGATA SHUHEI
AKISAWA TAKEHIRO
NAKAMURA KOSAKU
Application Number:
JP2021192236A
Publication Date:
June 07, 2023
Filing Date:
November 26, 2021
Export Citation:
Assignee:
HITACHI GLOBAL LIFE SOLUTIONS INC
International Classes:
F04C18/356; F04C29/00; F25D19/00
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office