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Title: Multi-tube arrangement for combustor and method of making the multi-tube arrangement

A fuel injector tube includes a one piece, unitary, polygonal tube having an inlet end and an outlet end. The fuel injector tube further includes a fuel passage extending from the inlet end to the outlet end along a longitudinal axis of the polygonal tube, a plurality of air passages extending from the inlet end to the outlet end and surrounding the fuel passage, and a plurality of fuel holes. Each fuel hole connects an air passage with the fuel passage. The inlet end of the polygonal tube is formed into a fuel tube. A fuel injector includes a plurality of fuel injector tubes and a plate. The plurality of fuel tubes are connected to the plate adjacent the inlet ends of the plurality of fuel injector tubes.
Inventors:
 [1]
  1. Simpsonville, SC
Issue Date:
OSTI Identifier:
1067328
Assignee:
General Electric Company (Schenectady, NY) NETL
Patent Number(s):
8,230,687
Application Number:
12/202,791
Contract Number:
FC26-05NT42643
Research Org:
National Energy Technology Lab. (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING