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Patent Searching and Data


Title:
TURBINE WHEEL, RADIAL TURBINE, AND SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2017/149693
Kind Code:
A1
Abstract:
Negative pressure surfaces (46n) of blades (42) of this radial turbine each have: a tip-side front portion (47n) including a front edge (43) and the boundary between the negative pressure surface (46n) and the tip (45); and a tip-side rear portion (48n) including a rear edge (44) and the boundary between the negative pressure surface (46n) and the tip (45). The tip-side front portion (47n) forms a concave curved surface which is recessed towards the side (So) opposite to the rotation side in a radial view. The tip-side rear portion (48n) forms a convex curved surface which protrudes towards the rotation side (Sr) in a radial view.

Inventors:
YOSHIDA TOYOTAKA (JP)
YOKOYAMA TAKAO (JP)
Application Number:
PCT/JP2016/056381
Publication Date:
September 08, 2017
Filing Date:
March 02, 2016
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F02B39/00; F01D5/04; F01D5/14
Foreign References:
JP2008128064A2008-06-05
JP2008133766A2008-06-12
US20060039791A12006-02-23
JP2004011560A2004-01-15
Other References:
See also references of EP 3401525A4
Attorney, Agent or Firm:
MORI Ryuichirou et al. (JP)
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