TURBINE BLADE TIP SHROUD FOR USE WITH TIP CLEARANCE CONTROL SYSTEM

PROBLEM TO BE SOLVED: To provide a tip clearance control system (100) for reducing an airflow (140) through a turbo machine (10).SOLUTION: The tip clearance control system (100) may include a casing shroud (130) and a tip shroud (120) positioned within the casing shroud (130). The tip shroud (120) m...

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Bibliographic Details
Main Authors SUBRAMANIYAN MOORTHI, VALLIAPPAN LAKSHMANAN
Format Patent
LanguageEnglish
Published 12.04.2012
Subjects
AIR INTAKES FOR JET-PROPULSION PLANTS
BLASTING
COMBUSTION ENGINES
CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
ENGINE PLANTS IN GENERAL
GAS-TURBINE PLANTS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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:PROBLEM TO BE SOLVED: To provide a tip clearance control system (100) for reducing an airflow (140) through a turbo machine (10).SOLUTION: The tip clearance control system (100) may include a casing shroud (130) and a tip shroud (120) positioned within the casing shroud (130). The tip shroud (120) may include a first step (170) at a leading edge (150) and a second step (200) adjacent to the first step (170). The casing shroud (130) and the tip shroud (120) may define a first cavity (280) therebetween downstream of the second step (200).
Bibliography:Application Number: JP20110201240