GAS TURBINE OF THE AXIAL FLOW TYPE

THE INVENTION RELATES TO A GAS TURBINE (30) OF THE AXIAL FLOW TYPE, COMPRISING A ROTOR WITH ALTERNATING ROWS OF AIR-COOLED BLADES (36) AND AIR-COOLED ROTOR HEAT SHIELDS, AND A STATOR WITH ALTERNATING ROWS OF AIR-COOLED VANES (33) AND AIR-COOLED STATOR HEAT SHIELDS (38) MOUNTED ON A VANE CARRIER (31)...

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Hauptverfasser:	VALERY KOSTEGE, ALEXANDER ANATOLIEVICH KHANIN
Format:	Patent
Sprache:	eng
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 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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Beschreibung
Zusammenfassung:	THE INVENTION RELATES TO A GAS TURBINE (30) OF THE AXIAL FLOW TYPE, COMPRISING A ROTOR WITH ALTERNATING ROWS OF AIR-COOLED BLADES (36) AND AIR-COOLED ROTOR HEAT SHIELDS, AND A STATOR WITH ALTERNATING ROWS OF AIR-COOLED VANES (33) AND AIR-COOLED STATOR HEAT SHIELDS (38) MOUNTED ON A VANE CARRIER (31), WHEREBY THE STATOR COAXIALLY SURROUNDS THE ROTOR TO DEFINE A HOT GAS PATH (32) IN BETWEEN, SUCH THAT THE ROWS OF BLADES (36) AND STATOR HEAT SHIELDS (38), AND THE ROWS OF VANES (33) AND ROTOR HEAT SHIELDS ARE CORRELATED WITH EACH OTHER, RESPECTIVELY, AND A ROW OF VANES (33) AND THE NEXT ROW OF BLADES (36) IN THE DOWNSTREAM DIRECTION DEFINE A TURBINE STAGE (TS). A SUBSTANTIAL REDUCTION OF THE CONSUMPTION OF COOLING AIR IS ACHIEVED BY PROVIDING WITHIN A TURBINE STAGE (TS) MEANS (39-44) TO REUSE THE COOLING AIR THAT HAS ALREADY BEEN USED TO COOL, ESPECIALLY THE AIRFOILS OF, THE VANES (33) OF THE TURBINE STAGE (TS), FOR COOLING THE STATOR HEAT SHIELDS (38) OF SAID TURBINE STAGE (TS) DOWNSTREAM OF THE VANES (33).