Title:
ROTOR AND ROTARY FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2015/125888
Kind Code:
A1
Abstract:
A first closing member (2) and a second closing member (3) close openings at both axial ends of a cylindrical member (1). A substrate (411) is accommodated in a space formed by the cylindrical member (1), the first closing member (2), and the second closing member (3), and the substrate (411) rotates about an axis along the same direction as the axial direction of the cylindrical member (1). A resin layer (410) is formed in a thrust surface of the substrate (411). A groove (C) comprises a plurality of concentric annular grooves or a spiraling groove forming concentric circles in the resin layer (410), and the center of the rings of the annular grooves or the center of the spiral of the spiraling groove is different from the rotational center of the substrate (411).
Inventors:
HORIBE NAOKI (JP)
AKIZUKI MASANORI (JP)
KANEMITSU HIROSHI (JP)
AKIZUKI MASANORI (JP)
KANEMITSU HIROSHI (JP)
Application Number:
PCT/JP2015/054668
Publication Date:
August 27, 2015
Filing Date:
February 19, 2015
Export Citation:
Assignee:
TAIHO KOGYO CO LTD (JP)
International Classes:
F04C18/32; F04C18/344; F04C29/02
Domestic Patent References:
| WO2009066413A1 | 2009-05-28 |
Foreign References:
| JPS6314200B2 | 1988-03-29 | |||
| JPS5518545Y2 | 1980-04-30 | |||
| JPS5479809A | 1979-06-26 | |||
| JP2004316533A | 2004-11-11 | |||
| US5310326A | 1994-05-10 |
Other References:
See also references of EP 3037666A4
Attorney, Agent or Firm:
ASAHI PATENT FIRM (JP)
Patent business corporation morning-sun patent firm (JP)
Patent business corporation morning-sun patent firm (JP)
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