Title:
SCROLL MEMBER AND SCROLL-TYPE FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2015/046513
Kind Code:
A1
Abstract:
A scroll member having: a base material, having an end plate and a spiral blade projecting from the end plate toward another scroll member; a resin layer (L1) formed on the base material; and multiple grooves (C) formed in the surface of the resin layer. The multiple grooves (C) are formed in the surface of the resin layer (L1). A cross section of the grooves (C) has a shape resembling a semicircle or the letter 'U', with the width of the groove decreasing as the depth of the groove increases, and the change in the width becoming more extreme toward the bottom of the groove. The grooves (C) are formed by moving the tip of the blade of a cutting tool along the original surface of a resin layer initially formed on the base material (LO) by a coating process or the like.
Inventors:
KANEMITSU HIROSHI (JP)
AKIZUKI MASANORI (JP)
AKIZUKI MASANORI (JP)
Application Number:
PCT/JP2014/075893
Publication Date:
April 02, 2015
Filing Date:
September 29, 2014
Export Citation:
Assignee:
TAIHO KOGYO CO LTD (JP)
International Classes:
F04C29/00; F04C18/02
Foreign References:
| JP2001342979A | 2001-12-14 | |||
| JPS6251783A | 1987-03-06 | |||
| JPS5891388A | 1983-05-31 | |||
| US20030063989A1 | 2003-04-03 | |||
| JP2002364560A | 2002-12-18 |
Other References:
See also references of EP 3051135A4
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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