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Title:
INDUCER AND PUMP
Document Type and Number:
WIPO Patent Application WO/2017/047110
Kind Code:
A1
Abstract:
An inducer (10) has a hub (11) and a helically formed blade (12) that projects from the hub (11) in the radial direction. This inducer has a thick section (23) in which a first distance (D1) and a second distance (D2) are equal to each other in a region outside a position where a height ratio of the blade 12 is 0.5, whereas the first distance (D1) is smaller than the second distance (D2) in a region inside the position where the height ratio of the blade is 0.5, wherein the height ratio is the ratio of the distance (H2) from a part connecting the hub (11) and a root section (15) of the blade (12) with respect to the height (H1) of the blade, which height is the distance from the part connecting the hub (11) and the root section (15) of the blade (12) to a tip section (16) of the blade (12) in the radial direction of the blade (12).

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Inventors:
TOMARU Hiroshi (1-1 Toyosu 3-chome, Koto-k, Tokyo 10, 〒1358710, JP)
Application Number:
JP2016/053040
Publication Date:
March 23, 2017
Filing Date:
February 02, 2016
Export Citation:
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Assignee:
IHI CORPORATION (1-1 Toyosu 3-chome, Koto-ku Tokyo, 10, 〒1358710, JP)
International Classes:
F04D29/18; F04D3/02; F04D29/22
Foreign References:
JP2008190390A2008-08-21
JP2002070793A2002-03-08
JP2000110783A2000-04-18
JP2004132210A2004-04-30
JPS585500A1983-01-12
Attorney, Agent or Firm:
TERAMOTO Mitsuo et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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