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Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/031412
Kind Code:
A1
Abstract:
A rotary compressor (1), wherein a drive shaft (70) is configured so as to have a lower-side eccentric part (76), a countershaft part (74), and a lower-side linking part (90) that links these two parts together, and moreover is configured such that ReL - eL < RS, where ReL is the radius of the lower-side eccentric part (76), RS is the radius of the countershaft part (74), and eL is the amount of eccentricity of the lower-side eccentric part (76). The lower-side linking part (90) is formed so that the outer surface thereof does not protrude to the outer side from the outer surface of the lower-side eccentric part (76), and the lower-side linking part (90) is provided with a reinforcing part (92) of which the outer surface is positioned farther to the outer side than is the outer surface of the countershaft part (74) in the radial direction of the drive shaft (70).

Inventors:
SOTOJIMA Takazou (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
HIGASHI Hirofumi (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
NISHIMURA Kousuke (Umeda Center Building, 4-12, Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
Application Number:
JP2018/029263
Publication Date:
February 14, 2019
Filing Date:
August 03, 2018
Export Citation:
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Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
International Classes:
F04C18/356; F04C23/00; F04C29/00
Domestic Patent References:
WO2013057946A12013-04-25
Foreign References:
JP2014173546A2014-09-22
JP2002138978A2002-05-17
JP2004100608A2004-04-02
JP2012127198A2012-07-05
JP2012149545A2012-08-09
Attorney, Agent or Firm:
MAEDA & PARTNERS (Shin-Daibiru Bldg. 23F, 2-1 Dojimahama 1-chome, Kita-ku, Osaka-sh, Osaka 04, 〒5300004, JP)
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