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Patent Searching and Data


Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/021550
Kind Code:
A1
Abstract:
The compression section (12) of this rotary compressor (1) is provided with: an intermediate partition plate (140) disposed between an upper cylinder (121T) and a lower cylinder (121S); an upper vane (127T) for dividing an upper cylinder chamber (130T) formed within the upper cylinder (121T) into an upper suction chamber (131T) and an upper compression chamber (133T); and a lower vane (127S) for dividing a lower cylinder chamber (130S) formed within the lower cylinder (121S) into a lower suction chamber (131S) and a lower compression chamber (133S). The intermediate partition plate (140) has formed therein: an injection hole (140b) for injecting a liquid refrigerant into the upper compression chamber (133T) and the lower compression chamber (133S); and an injection passage (140a) for supplying a liquid refrigerant to the injection hole (140b). The injection passage (140a) is formed along a straight line (141) not intersecting a rotating shaft insertion hole (123) into which a rotating shaft (15) is inserted.

Inventors:
UEDA, Kenshi (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:
JP2018/015825
Publication Date:
January 31, 2019
Filing Date:
April 17, 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:
F04C29/00; F04C18/356; F04C23/00; F04C29/04
Foreign References:
JP2015135090A2015-07-27
JPS6140958Y21986-11-21
JPS6333093Y21988-09-05
JPS5776296A1982-05-13
JPS62183094U1987-11-20
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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