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Title:
CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2013/140819
Kind Code:
A1
Abstract:
A centrifugal compressor (1) is provided with a bladed wheel (2) having a main vane (21) and a secondary vane (22), a shroud wall (3) shaped so as to conform to the bladed wheel (2) and forming an intake (12), and an extraction chamber (4) facing an outside surface of the shroud wall (3). The extraction chamber (4) is connected to an extraction space of a pressure not in excess of a pressure of a working fluid at the intake (12). The shroud wall (3) is provided with a slit (32) (extraction path) for guiding some of the working fluid flowing between the pressurized surface of the secondary vane (22) and the main vane (21) into the extraction chamber (4).

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JPS58117396FAN
Inventors:
TAGUCHI HIDETOSHI
NISHIWAKI FUMITOSHI
KOMORI KOU
Application Number:
PCT/JP2013/001968
Publication Date:
September 26, 2013
Filing Date:
March 22, 2013
Export Citation:
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Assignee:
PANASONIC CORP (JP)
International Classes:
F04D29/44; F04D17/10; F04D29/66; F25B1/00; F25B1/053; F25B1/10
Domestic Patent References:
WO2011099418A12011-08-18
Foreign References:
JPH02136598A1990-05-25
Attorney, Agent or Firm:
KAMADA, Koichi et al. (JP)
Koichi Kamata (JP)
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