Power plants – Reaction motor – Having afterburner
Reexamination Certificate
2005-07-07
2009-10-13
Cuff, Michael (Department: 3741)
Power plants
Reaction motor
Having afterburner
C060S761000, C060S766000
Reexamination Certificate
active
07600383
ABSTRACT:
The turbojet of the invention includes a combustion chamber, a channel for heating the gas stream, where the heating channel includes at least one device for injection of fuel into the gas stream, which includes an open chamber, with a U-shaped section, having at least one wall within which extend fuel-injection means, which inject the fuel in at least one direction. It is characterised by the fact that a cooling jacket is provided in the chamber, alongside the wall forming the base of its U-section, and the fuel injection device includes protection means interposed between the fuel-injection means and the wall, in a fuel-injection direction.Thus, as a result of the invention, the fuel injection device, which is bathed in a very hot environment, is protected against thermal shocks due to the projection of colder fuel onto its walls, and its life expectancy is therefore increased.
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Bunel Jacques Marcel Arthur
Page Alain Pierre
Roche Jacques Andre Michel
Cuff Michael
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
SNECMA
Sung Gerald L
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