Title:
SCROLL FLUID MACHINE AND MACHINING METHOD OF SCROLL MEMBER
Document Type and Number:
WIPO Patent Application WO/2019/163308
Kind Code:
A1
Abstract:
A tip seal groove (3d) is formed in a tooth tip of a fixed scroll, and a tip seal (7) is accommodated therein. A step (9a) is provided in a tooth bottom corner (9) at the base of a wall (5b) of an orbiting scroll, said tooth bottom corner facing a tooth tip corner (8) of a wall (3b) of the fixed scroll. The tip seal groove (3d) is formed further towards the center of the wall (3b) in the thickness direction than the position of the wall (3b) opposite of the step (9a). In other words, the bank width (Ta) of the tooth tip of the wall (3b) is greater than the width (Sw) of the step (9a).
Inventors:
SATO HAJIME (JP)
KIMATA YOSHIYUKI (JP)
HAMANO MASASHI (JP)
ITO TAKAHIDE (JP)
KIMATA YOSHIYUKI (JP)
HAMANO MASASHI (JP)
ITO TAKAHIDE (JP)
Application Number:
PCT/JP2019/000072
Publication Date:
August 29, 2019
Filing Date:
January 07, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
F04C18/02; F04C29/00
Foreign References:
| JPH09158854A | 1997-06-17 | |||
| JP2002070766A | 2002-03-08 | |||
| JP2004316580A | 2004-11-11 | |||
| JPH06137286A | 1994-05-17 | |||
| CN204003446U | 2014-12-10 | |||
| JP2015055173A | 2015-03-23 |
Other References:
See also references of EP 3754197A4
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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