COOLING PASSAGES FOR A MID-TURBINE FRAME

A gas turbine engine (20) includes a mid-turbine frame (57) that includes an inner frame case (64). At least one spoke (65) is connected to the inner frame case (64). At least one spoke (65) includes a fluid passage (118) that is in fluid communication with a channel (133; 154'; 154") on a...

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Bibliographische Detailangaben
Hauptverfasser:	LIENAU, Jeffrey J, WANG, Cheng-Zhang, CHEROLIS, Anthony P, NEWMAN, Robert
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 gas turbine engine (20) includes a mid-turbine frame (57) that includes an inner frame case (64). At least one spoke (65) is connected to the inner frame case (64). At least one spoke (65) includes a fluid passage (118) that is in fluid communication with a channel (133; 154'; 154") on a radially inner end of the fluid passage (118). The channel (133; 154'; 154") is directed in a radially inward and circumferential direction. A cavity (122) is located radially inward from the mid-turbine frame (57) and is in fluid communication with the channel (133; 154'; 154").