Accession Number : ADD013710

Title :   Sector Airflow Variable Geometry Combustor.

Descriptive Note : Patent, Filed 5 Nov 82, patented 26 Jan 88,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Hudson, Dale A ; Hopkins, Kenneth N

Report Date : 26 Jan 1988

Pagination or Media Count : 7

Abstract : An improved annular combustor having a plurality of annularly disposed fuel nozzles for supplying fuel to the combustor dome, and a structure defining a dome plenum adjacent each said fuel nozzle is provided, wherein means in the form of partitions or walls are included to define a sector(s) of said plenum including a portion of said fuel nozzles for airflow control by a valve means controlling airflow through said sector(s) only, the remainder of said dome plenum annulus having no air-flow valve control means; said sector(s) defining means may protrude into said, combustor primary zone to define a region thereof for controlled burning of fuel supplied by the fuel nozzles included in said sector. Keywords: Combustors; Fuel nozzle; Fuel air ratio, Valves.

Descriptors :   *AIR FLOW, *ANNULAR BURNERS, *COMBUSTORS, *FUEL NOZZLES, *GAS TURBINES, *PATENTS, COMBUSTION, DOMES(STRUCTURAL FORMS), FUEL AIR RATIO, FUELS, PLENUM CHAMBERS, VALVES, WALLS

Subject Categories : Combustion and Ignition
      Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE