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Patent Searching and Data


Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/192238
Kind Code:
A1
Abstract:
This scroll compressor is provided with: a main frame 2 provided in a shell 1; a compressing mechanism portion 4 which is supported on the main frame 2, and which compresses and discharges sucked-in refrigerant by means of a compression chamber 45 formed by a spiral tooth 412 of a fixed scroll 41 and a spiral tooth 422 of an orbiting scroll 42; a first communicating hole 415 and a second communicating hole 416 which are provided in the fixed scroll 41, and which provide communication between a suction side space 46 and a discharge side space 47; a first valve 811 and a second valve 812 which are provided on the discharge side of the fixed scroll 41, and which respectively open the first communicating hole 415 and the second communicating hole 416 if the suction side pressure is greater than the discharge side pressure; a first fixing member 813 which fixes the first valve 811 to the fixed scroll 41; and a second fixing member 823 which fixes the second valve 821 to the fixed scroll 41, wherein a distance D1 between the second fixing member 823 and the first fixing member 813 is greater than a distance D2 between the first communicating hole 415 and the second communicating hole 416.

Inventors:
MIYAMAE KOSUKE (JP)
FUKUHARA KOICHI (JP)
KOYAMA SHUHEI (JP)
Application Number:
PCT/JP2020/014084
Publication Date:
September 30, 2021
Filing Date:
March 27, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C29/12; F04C18/02
Foreign References:
JP2005264752A2005-09-29
JPH09170574A1997-06-30
JP2017155719A2017-09-07
US20070217938A12007-09-20
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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