SELF-SEALING IMPINGEMENT COOLING TUBE FOR A TURBINE VANE

A self-sealing impingement cooling tube comprises a perimeter wall (51) defining a first end (54) and a second end (53), for example these may be a trailing edge and leading edge ends of an aerofoil. First and second wall sections extend from the first end (54) to the second end, the first and secon...

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Bibliographische Detailangaben
Hauptverfasser:	SADDAWI, Salwan, RAWLINSON, Anthony J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING 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 self-sealing impingement cooling tube comprises a perimeter wall (51) defining a first end (54) and a second end (53), for example these may be a trailing edge and leading edge ends of an aerofoil. First and second wall sections extend from the first end (54) to the second end, the first and second wall sections joining at the first end. An adjustable gap (53) resides between the wall sections at the second end. One or both of the first and second wall sections is resiliently deformable such that the first and second wall sections can be positioned closer together and the adjustable gap (53) simultaneously reduced whereby to enable the tube to be inserted into a cavity which has a dimension smaller than the distance between the first and second wall sections when the perimeter wall (51) is not under load.