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Auxiliary reactor for a hydrocarbon reforming system

United States Patent

January 17, 2006
View the Complete Patent at the US Patent & Trademark Office
An auxiliary reactor for use with a reformer reactor having at least one reaction zone, and including a burner for burning fuel and creating a heated auxiliary reactor gas stream, and heat exchanger for transferring heat from auxiliary reactor gas stream and heat transfer medium, preferably two-phase water, to reformer reaction zone. Auxiliary reactor may include first cylindrical wall defining a chamber for burning fuel and creating a heated auxiliary reactor gas stream, the chamber having an inlet end, an outlet end, a second cylindrical wall surrounding first wall and a second annular chamber there between. The reactor being configured so heated auxiliary reactor gas flows out the outlet end and into and through second annular chamber and conduit which is disposed in second annular chamber, the conduit adapted to carry heat transfer medium and being connectable to reformer reaction zone for additional heat exchange.
Clawson; Lawrence G. (Dover, MA), Dorson; Matthew H. (Arlington, MA), Mitchell; William L. (Belmont, MA), Nowicki; Brian J. (Medford, MA), Bentley; Jeffrey M. (Westford, MA), Davis; Robert (Bucks, GB), Rumsey; Jennifer W. (Greenwood, IN)
Nuvera Fuel Cells Inc. (Cambridge, MA)
09/ 565,288
May 2, 2000
GOVERNMENT RIGHTS The United States Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of DE-FC02-97EE50472 awarded by the Department of Energy (DOE).