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2 250 414

(13)

(51)

IPC

(21) (22)

Application

2003127342/06, 2003-09-10

(24)

Start date

2003-09-10

(22)

Actual filing date

2003-09-10

(45)

Published

2005-04-20

(72)

Inventor

Bychkov N.G.Pershin A.V.Lepeshkin A.R.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Institut Aviatsionnogo Motorostroenija Im. P.I. Baranova"

COMBUSTION CHAMBER Russian patent published in 2005 - IPC

Abstract RU 2250414 C1

FIELD: combustion chambers of gas-turbine engines and plants.

SUBSTANCE: combustion chamber includes sectionized fire tube. Light-reflecting coating with blackness degree no less than 0.2 is applied onto surface of sections turned to hot gas. Temperature of section surface zones where coating is to be applied exceeds 950°C. Invention provides increased resource of fire tube due to lowered temperature of its surface in the result of significantly reduced irradiation of heat flux.

EFFECT: enhanced process for applying coating.

2 cl, 2 dwg

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RU 2 250 414 C1

Authors

Bychkov N.G.

Pershin A.V.

Lepeshkin A.R.

Dates

2005-04-20—Published

2003-09-10—Filed