Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/235703
Kind Code:
A1
Abstract:
The present application relates to a compressor configured so as to accurately orient vanes. The present application provides a rotary compressor comprising: a cylinder; a chamber which is eccentrically formed in the cylinder and accommodates a predetermined working fluid; a rotor rotatably received in the chamber and arranged so as to be concentric to the cylinder; first and second bearings which are disposed on the upper and lower portions, respectively, of the cylinder so as to close the chamber, and which support a drive shaft of the rotor; a plurality of vanes which are movably installed on the rotor in the radial direction thereof, and protrude from the rotor up to the inner circumferential surface of the cylinder so as to divide the chamber into a plurality of compression spaces; first and second guide grooves which, in order to accommodate a portion of the vanes, are formed on the respective surfaces, facing the chamber, of the first and second bearings so as to be concentric to the chamber, and guide the vanes while the rotor is rotating so that the vanes continuously protrude up to the inner circumferential surface of the cylinder; and an auxiliary bearing which is provided to any one of the first and second guide grooves and rotates with the vanes.
Inventors:
SA BUMDONG (KR)
SEOL SESEOK (KR)
MOON SEOKHWAN (KR)
SEOL SESEOK (KR)
MOON SEOKHWAN (KR)
Application Number:
PCT/KR2021/004733
Publication Date:
November 25, 2021
Filing Date:
April 15, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F04C18/344
Foreign References:
| JPH10506973A | 1998-07-07 | |||
| US4997353A | 1991-03-05 | |||
| CN1548747A | 2004-11-24 | |||
| KR900003682A | 1990-03-26 | |||
| KR20130031736A | 2013-03-29 |
Attorney, Agent or Firm:
KBK & ASSOCIATES (KR)
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