Title:
SCROLL FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/040341
Kind Code:
A1
Abstract:
Provided is a scroll fluid machine which can resolve problems caused by revolving, turning, and driving an orbiting scroll while the orbiting scroll is inclined, and can improve the performance and durability thereof. The scroll fluid machine is provided with a pair consisting of a stationary scroll and an orbiting scroll, wherein spiral wraps (31) stand on end plates (30). The stationary scroll and the orbiting scroll are engaged so that the spiral wraps (31) are opposite to each other while shifting the phases. In the scroll fluid machine, offset portions (36, 37) are provided on the front side surface and the back side surface of the tip portion of each spiral wrap (31) of either the stationary scroll and/or the orbiting scroll, and are provided from the inner peripheral end portion to the outer peripheral end portion of the spiral wrap (31) in the direction that the thickness of the wrap is reduced.
Inventors:
MIZUNO HISAO (JP)
SATO HAJIME (JP)
HIROSE MASAHIKO (JP)
YOKOYAMA MASAKI (JP)
SATO HAJIME (JP)
HIROSE MASAHIKO (JP)
YOKOYAMA MASAKI (JP)
Application Number:
PCT/JP2010/066594
Publication Date:
April 07, 2011
Filing Date:
September 24, 2010
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MIZUNO HISAO (JP)
SATO HAJIME (JP)
HIROSE MASAHIKO (JP)
YOKOYAMA MASAKI (JP)
MIZUNO HISAO (JP)
SATO HAJIME (JP)
HIROSE MASAHIKO (JP)
YOKOYAMA MASAKI (JP)
International Classes:
F04C18/02
Foreign References:
| JPS6085285A | 1985-05-14 | |||
| JP2004245059A | 2004-09-02 | |||
| JPH084669A | 1996-01-09 | |||
| JPH04365902A | 1992-12-17 | |||
| JP2004346791A | 2004-12-09 | |||
| JP2002070769A | 2002-03-08 |
Other References:
See also references of EP 2484909A4
None
None
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (JP)
Takaharu Fujita (JP)
Takaharu Fujita (JP)
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