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Concentric catalytic combustor

United States Patent Application

*** WITHDRAWN ***
20070006595
7,506,516
A1
View the Complete Application at the US Patent & Trademark Office
A catalytic combustor (28) includes a tubular pressure boundary element (90) having a longitudinal flow axis (e.g., 56) separating a first portion (94) of a first fluid flow (e.g., 24) from a second portion (95) of the first fluid flow. The pressure boundary element includes a wall (96) having a plurality of separate longitudinally oriented flow paths (98) annularly disposed within the wall and conducting respective portions (100, 101) of a second fluid flow (e.g., 26) therethrough. A catalytic material (32) is disposed on a surface (e.g., 102, 103) of the pressure boundary element exposed to at least one of the first and second portions of the first fluid flow.
Bruck, Gerald J. (Oviedo, FL), Laster, Walter R. (Oviedo, FL)
Siemens Westinghouse Power Corporation
11/ 156,338
June 17, 2005
[0002] The United States Government has certain rights in this invention pursuant to contract number DE-FC-26-03NT41891 awarded by the Department of Energy.