Air-fuel micromix injector having multibank ports for adaptive cooling of high temperature combustor

Coogan, Shane B.; Brun, Klaus

Title: Air-fuel micromix injector having multibank ports for adaptive cooling of high temperature combustor

Patent · Tue Jul 12 00:00:00 EDT 2022

OSTI ID:1924890

Coogan, Shane B.; Brun, Klaus

A method of using a combustor for high temperature combustion. The combustor is equipped with a showerhead type micromix air-fuel injector. The injector faceplate has its ports concentrically arranged into “banks”, to which delivery of fuel can be controlled on a bank-by-bank basis. During combustor operation, the temperature of the air into the combustor is monitored. If the temperature is above a predetermined threshold, fuel is delivered to fewer than all banks of ports. As a result, the bank(s) of ports to which fuel is not delivered inject only air into the combustion chamber, and the other bank(s) of ports inject the air-fuel mixture as usual.

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Research Organization:: Southwest Research Institute, San Antonio, TX (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: EE0005805

Assignee:: Southwest Research Institute (San Antonio, TX)

Patent Number(s):: 11,384,939

Application Number:: 14/257,847

OSTI ID:: 1924890

Resource Relation:: Patent File Date: 04/21/2014

Country of Publication:: United States

Language:: English

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