Herstellung von Gasturbinenmotorschaufeln aus Cmc mit Rückschlag zur Erleichterung der Dornentfernung

Details

Veröffentlichungs-Nr.

EP4603245

Aktenzeichen

EP25157796

Anmeldetag

13. Februar 2025

Veröffentlichung

20. August 2025

Rechtsraum

EP

IPC

B28B1/40B28B7/20B28B23/00B29C70/86B29D99/00B32B18/00C04B35/80F01D5/14F01D5/28

Abstract

To form a gas turbine engine component, such as a vane, a CMC yarn shear tube (130) is formed on the outer surface of a mandrel (120), generally tracking the shape of the mandrel outer shape. CMC fabric layers (118) are formed outwardly of the shear tube (130) to form a desired shape of a final airfoil (110) leading edge (114). The mandrel (120), and the shear tube (130) are provided with a shape at at least one of the mandrel radially inner and outer ends to be spaced from the desired final shape of the airfoil leading edge (114) at a corresponding one of a fabric radially inner and outer ends. A filler material (136) is inserted into a space between the corresponding one of a fabric radially inner end and a fabric radially outer end of the fabric layers.

Anmelder

Firma

RTX Corporation

Land

🇺🇸 USA

Fachgebiete