Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/039080
Kind Code:
A1
Abstract:
One or more surfaces (80a, 80b) among a first surface (80b)of a valve body (80) and a second surface (80a) thereof include: ring-shaped first non-contact regions (A1, A4) which do not contact the corresponding valve seats (67, 72) and are formed in a prescribed range from the outer edge of the valve body (80) inward in the radial direction; ring-shaped second non-contact regions (A2, A5) which do not contact the corresponding valve seats (67, 72) and are formed in a prescribed range from the hole (81) in the valve body (80) outward in the radial direction; and contact regions (A3, A6) which contact the corresponding valve seats (67, 72) and are formed between the first non-contact regions (A1, A4) and the second non-contact regions (A2, A5).
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Inventors:
INADA YUKIHIRO (JP)
KIKUTAKE DAIKI (JP)
SUNAHARA YUUYA (JP)
SAWADA YUUYA (JP)
ENDOU CHIHIRO (JP)
KIKUTAKE DAIKI (JP)
SUNAHARA YUUYA (JP)
SAWADA YUUYA (JP)
ENDOU CHIHIRO (JP)
Application Number:
PCT/JP2020/024903
Publication Date:
March 04, 2021
Filing Date:
June 24, 2020
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04C29/12; F04C18/356; F16K15/08
Domestic Patent References:
| WO2016006565A1 | 2016-01-14 | |||
| WO2018083944A1 | 2018-05-11 |
Foreign References:
| JPS5634199Y2 | 1981-08-13 | |||
| JPH024287Y2 | 1990-01-31 | |||
| JPS5123132U | 1976-02-20 | |||
| JP2016011708A | 2016-01-21 | |||
| JP6090248B2 | 2017-03-08 |
Other References:
See also references of EP 4008906A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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