Reduced thermal stress assembly and process of making same

Details Reduced thermal stress assembly and process of making same Reduced thermal stress assembly and process of making same

B - Operations, Transporting

23

K

B23K 1/20 (2006.01) F02C 7/22 (2006.01) F23D 11/38 (2006.01) F23D 14/58 (2006.01) F23R 3/28 (2006.01)

Patent

CA 2629961

An assembly (20) that includes two components (22,24) joined by a pre- compressed braze (36) where the compression in the braze is progressively relieved upon relative thermal expansion of the two components (22,24). In one embodiment, the assembly is a fuel nozzle spray tip assembly (20) for a gas turbine engine (10). Also disclosed is a process for producing a pre- compressed braze(36).

L'invention concerne un ensemble (20) comprenant deux composants (22, 24) joints par une brasure pré-comprimée (36), la compression au sein de la brasure étant progressivement relâchée lors de la dilatation thermique relative des deux composants (22,24). Dans un mode de réalisation, l'ensemble est un ensemble (20) extrémité de pulvérisation d'un injecteur de carburant (20) pour moteur à turbine à gaz (10). L'invention concerne également un procédé de production d'une brasure pré-comprimée (36).

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