TURBINE ROTOR BLADE CASCADE AND STEAM TURBINE

PURPOSE: A turbine rotor blade cascade and a steam turbine are provided to reduce an aerodynamic loss between rotors by optimizing the arrangement between rotors of an intermediate connecting member or the cross sectional shape of an intermediate connecting member. CONSTITUTION: A turbine rotor blad...

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Main Authors ONODA AKIHIRO, SHIBUKAWA NAOKI, TEJIMA TOMOHIRO, NOMURA DAISUKE, FURUYA OSAMU, MURATA YORIHARU, IMAI KENICHI
Format Patent
LanguageEnglish
Korean
Published 06.07.2011
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS
INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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Summary:PURPOSE: A turbine rotor blade cascade and a steam turbine are provided to reduce an aerodynamic loss between rotors by optimizing the arrangement between rotors of an intermediate connecting member or the cross sectional shape of an intermediate connecting member. CONSTITUTION: A turbine rotor blade cascade contains plural rotors(20) installed in the circumferential direction of a turbine rotor and equipped with a dorsal connecting member(22) projected to the backside(21) of a blade and a ventral connecting member(24) projected to the ventral side(23) of a blade, and an intermediate connecting member formed by making a dorsal connecting member and a ventral connecting member of an adjacent rotor in contact when the rotor rotates, wherein the downstream edge of the intermediate connecting member is located in the upstream side than a throat of a flow passage formed between the rotors.
Bibliography:Application Number: KR20100126660