Title:
HYDRAULIC TURBINE FOR HYDROELECTRIC POWER GENERATION AND METHOD FOR SUPPRESSING FLUCTUATION OF FLOW RATE AT TIME OF LOAD SHUT OFF THEREOF
Document Type and Number:
Japanese Patent JP2008248760
Kind Code:
A
Abstract:
To provide a hydraulic turbine for hydroelectric power generation capable of limiting rise of rotation speed at a time of load shut off, simplifying and miniaturizing a structure.
A runner 48 rotated by water flowing to an outlet port from an inlet port in a casing 45 and a rotatable main shaft 50 interlocking and connected with the runner 48 and a generator are provided. The runner 48 comprises a runner boss 63 externally fitted on the main shaft 50 and rotating as one body with the main shaft 50, and a plurality of blades 64 attached on a face side S1 facing a channel 61 of the runner boss 63. A plurality of baffle plates 76 which becomes rotary resistance of the runner 48 are provided on a back side S2 of the runner boss 63.
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Inventors:
MATSUMOTO HIDEKI
TAKAHASHI AKIHIRO
TAKAHASHI AKIHIRO
Application Number:
JP2007089991A
Publication Date:
October 16, 2008
Filing Date:
March 30, 2007
Export Citation:
Assignee:
KUBOTA KK
International Classes:
F03B15/18; F03B3/04; F03B3/12; F03B15/04
Attorney, Agent or Firm:
Yoshihiro Morimoto
Toshiji Sasahara
Yohei Harada
Toshiji Sasahara
Yohei Harada
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