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Patent Searching and Data


Title:
COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/208348
Kind Code:
A1
Abstract:
A rotor that provides a rotating power to a compressor unit for compressing a refrigerant comprises: a rotor core having formed through-holes (36-1 to 36-6) that have cross sections with a plurality of crotches in a direction away from a rotating axis and through which the refrigerant passes; a first end plate covering a first end surface on which one end of both end portions of the through-holes (36-1 to 36-6) in the rotor core that is on the side closer to the compressor unit is formed; and an upper rotor end plate (33) covering a lower rotor end surface (34) on which the other end of the plurality of holes in the rotor core is formed. The first end plate has formed a first opening portion providing communication between the through-holes (36-1 to 36-6) and an inner space. The upper rotor end plate (33) has formed an upper opening portion (43) providing communication between the through-holes (36-1 to 36-6) and the inner space. The upper rotor end plate (33) has formed protruding portions (44-1 to 44-6 and 45-1 to 45-6) covering each of tip-end portions (36-11 to 36-62) at the ends of each of the crotches of the through-holes (36-1 to 36-6).

Inventors:
YAHABA, Shingo (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)
NISHIO, Tomoki (3-3-17 Suenaga, Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
Application Number:
JP2019/016406
Publication Date:
October 31, 2019
Filing Date:
April 17, 2019
Export Citation:
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Assignee:
FUJITSU GENERAL LIMITED (3-3-17, Suenaga Takatsu-ku, Kawasaki-sh, Kanagawa 02, 〒2138502, JP)
International Classes:
F04C29/02; F04C18/356
Foreign References:
JP2014148916A2014-08-21
JPH02157492A1990-06-18
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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