Title:
IMPELLER AND ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/007467
Kind Code:
A1
Abstract:
Disclosed is an impeller, which is in a rotary machine, and wherein the direction of flow gradually changes from the axial direction to the radial direction while flowing from the inner side in the radial direction to the outer side in the radial direction of fluid ducts. The impeller is provided with hub surfaces, which configure at least one part of the aforementioned fluid ducts; vane surfaces, which configure at least one part of the aforementioned fluid ducts; and bulges, which bulge toward the inside of the aforementioned fluid ducts at the corners located where the aforementioned hub surfaces contact the aforementioned vane surfaces at the latter halves, which are the latter halves towards the outlets as opposed to the former halves towards the inlets of the aforementioned fluid ducts.
Inventors:
MASUTANI JOO (JP)
Application Number:
PCT/JP2010/001056
Publication Date:
January 20, 2011
Filing Date:
February 18, 2010
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MASUTANI JOO (JP)
MASUTANI JOO (JP)
International Classes:
F04D29/30; F04D29/24; F04D29/68
Foreign References:
| JP2007192034A | 2007-08-02 | |||
| JP2006077723A | 2006-03-23 | |||
| JP2009164781A | 2009-07-23 | |||
| JP2006002689A | 2006-01-05 | |||
| JP2005163640A | 2005-06-23 | |||
| JP2005180372A | 2005-07-07 |
Other References:
See also references of EP 2402616A4
Attorney, Agent or Firm:
MORI, Ryuichiro et al. (JP)
Ryuichiro Mori (JP)
Ryuichiro Mori (JP)
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