Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate
2006-11-21
2006-11-21
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
Reexamination Certificate
active
07137783
ABSTRACT:
A cooled gas turbine blade includes a foundry part and a longitudinal sleeve obtained by the forming of metal sheet. The foundry part includes a longitudinal body provided with a longitudinal cavity with first and second apertures at its ends. The sleeve is mounted in the cavity being held therein by soldering or brazing to the wall of the first aperture, and an end portion of which is free to slide in the second slide-forming aperture. The end portion and the slide are in sliding contact relatively to surfaces formed by machining. A sealing insert can be positioned between the end portion of the sleeve and the wall of the second aperture. This insert can be integral with the sleeve.
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patent: 4859141 (1989-08-01), Maisch et al.
patent: 6109867 (2000-08-01), Jacques Portefaix
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patent: 0974733 (2000-01-01), None
patent: 1164250 (2001-12-01), None
Guimbard Jean-Michel
Pabion Philippe
Soupizon Jean-Luc
Nguyen Ninh H.
Snecma Moteurs
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