Title:
SCROLL COMPRESSOR AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/026651
Kind Code:
A1
Abstract:
A fixed-side oil groove (80) is provided to a surface of a fixed scroll (60) that faces a movable scroll (70). The fixed-side oil groove (80) has a fixed-side circumferential-direction groove portion (81). A widened portion (84) is wider than the groove width of a circular arc portion of the fixed-side circumferential-direction groove portion (81) in the radial direction. A movable-side oil groove (85) is provided to a surface of the movable scroll (70) that faces the fixed scroll (60). A radial-direction groove portion (87) of the movable-side oil groove (85) partially overlaps with the widened portion (84) in a predetermined section of the angular range in which the movable scroll (70) turns when viewed from the axial direction.
Inventors:
KATOU KATSUMI (JP)
MURAKAMI YASUHIRO (JP)
MATSUKAWA KAZUHIKO (JP)
MORI AKIRA (JP)
NAKATANI EITAROU (JP)
MATSUMOTO YUUKI (JP)
MURAKAMI YASUHIRO (JP)
MATSUKAWA KAZUHIKO (JP)
MORI AKIRA (JP)
NAKATANI EITAROU (JP)
MATSUMOTO YUUKI (JP)
Application Number:
PCT/JP2022/024388
Publication Date:
March 02, 2023
Filing Date:
June 17, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04C18/02
Foreign References:
| JP2013256919A | 2013-12-26 | |||
| JP2016160816A | 2016-09-05 | |||
| JP2019196708A | 2019-11-14 | |||
| JP2021080904A | 2021-05-27 | |||
| JP2020139460A | 2020-09-03 | |||
| JP2012202221A | 2012-10-22 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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