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Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/039182
Kind Code:
A1
Abstract:
A lower end plate is provided with: a plurality of bolt holes (138) through which bolts (174, 175, 176) are passed; a lower discharge valve; a lower discharge valve accommodating recess (164S) in which the lower discharge valve is accommodated; and a lower discharge chamber recess (163S). A bulging part (171S) is provided to a lower end plate cover (170S). A lower end plate cover chamber is formed by the lower discharge valve accommodating recess (164S), the lower discharge chamber recess (163S), and the bulging part (171S). A plurality of refrigerant passage holes (136) include: main refrigerant passage holes (136A, 136B) provided in the lower discharge chamber recess (163S); and auxiliary refrigerant passage holes (136C, 136D) which are provided between the bolt holes (138) and the lower discharge valve accommodating recess (164S), and away from the lower discharge valve accommodating recess (164S). The bulging part (171S) is formed so as to overlap at least a portion of each of the main refrigerant passage holes (136A, 136B) and the auxiliary refrigerant passage holes (136C, 136D), in a cross section orthogonal to a rotary shaft (15).

Inventors:
INOUE, Akira (3-3-17 Suenaga, Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
UEDA, Kenshi (3-3-17 Suenaga, Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
YAHABA, Shingo (3-3-17 Suenaga, Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
IZUMI, Yasuyuki (3-3-17 Suenaga, Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
Application Number:
JP2018/027969
Publication Date:
February 28, 2019
Filing Date:
July 25, 2018
Export Citation:
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Assignee:
FUJITSU GENERAL LIMITED (3-3-17, Suenaga Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
International Classes:
F04C18/356; F04C23/00; F04C29/12
Domestic Patent References:
WO2016098710A12016-06-23
Foreign References:
JP2014145316A2014-08-14
JP2014145318A2014-08-14
US20100278675A12010-11-04
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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