Gas turbine engine diffuser and combustion chamber and gas...

Details Gas turbine engine diffuser and combustion chamber and gas... Gas turbine engine diffuser and combustion chamber and gas...

2008-01-23

2010-11-02

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S751000, C060S755000, C060S756000, C060S757000, C060S796000, C060S800000

Reexamination Certificate

active

07823387

ABSTRACT:
A gas turbine engine diffuser defined between an external casing and an internal casing of the engine and supplied with air via an upstream annular diffuser duct is disclosed. The diffuser includes a combustion chamber of the convergent type, forming an external annular duct with the external casing and an internal annular duct with the internal casing, and a cowling partially closing off the external annular duct. The cowling is positioned toward the closed end of the combustion chamber.

REFERENCES:
patent: 4380895 (1983-04-01), Adkins
patent: 6895761 (2005-05-01), Mitchell et al.
patent: 1 717 516 (2006-11-01), None
patent: WO 2005/036057 (2005-04-01), None
U.S. Appl. No. 12/190,105, filed Aug. 12, 2008, Commaret, et al.
J. W. Sanborn, et al., “Advances Turbofan Engine Combustion System Design and Test Verification”, Journal of Propulsion and Power, XP 000068028, vol. 5, No. 4, Jul. 1, 1989, pp. 502-509.

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