Active control of bucket cooling supply for a turbine by means of an adjustable gas flow valve comprising a shape memory material

A cooling gas flow control device (63) for a turbine rotor (34, 36, 38) that is internally located between the compressor (4) and the turbine section (8) of a turbine (2) is disclosed. The cooling gas flow control device (63) has a shape memory material (72-76, 172, 181-183, 272, 281-283, 372) that...

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Bibliographische Detailangaben
Hauptverfasser:	MUTHURAMALINGAM, MAHENDHRA, SUBBAREDDYAR, THANGARAJ, KENY, MAYUR ABHAY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A cooling gas flow control device (63) for a turbine rotor (34, 36, 38) that is internally located between the compressor (4) and the turbine section (8) of a turbine (2) is disclosed. The cooling gas flow control device (63) has a shape memory material (72-76, 172, 181-183, 272, 281-283, 372) that is used to actively adjust the cooling gas flow to internal parts of the turbine section (8) between, including the buckets (40, 42, 44).