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Patent Searching and Data


Title:
WATER COLLECTION DEVICE FOR HYDRAULIC POWER GENERATION DEVICE, AND HYDRAULIC POWER GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/184273
Kind Code:
A1
Abstract:
This water collection device for a hydraulic power generation device is used in a hydraulic power generation device comprising: a water turbine blade (2) that is immersed in a water passage and that converts hydraulic power to rotation power; and a power generator (6) that generates power by means of the rotation of the water turbine blade (2). The water collection device for the hydraulic power generation device is disposed upstream of the water turbine blade (2) and collects, at the water turbine blade (2), water which is in the water passage. The water collection device (5) comprises a water collection plate (12) that has a water flow-through hole (12a) and that collects the water flowing in the water passage at the water flow-through hole (12a). The surface area of the water flow-through hole (12a) of the water collection plate (12) is smaller than the surface area of a circle (Cr) passing through an outer circumferential edge (2ba) of the water turbine blade (2). The shape of the water flow-through hole (12a) is circular in a front view of the water collection plate (12).

Inventors:
MUKAI HIROKI (JP)
KAWASE TATSUO (JP)
TATEISHI KOJI (JP)
Application Number:
JP2020/008817
Publication Date:
September 17, 2020
Filing Date:
March 03, 2020
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F03B3/04; F03B7/00; F03B17/06
Foreign References:
JP2014152645A2014-08-25
JP2018076841A2018-05-17
KR20100131078A2010-12-15
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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