Compact counterflow fuel reformer

Details Compact counterflow fuel reformer Compact counterflow fuel reformer

2006-11-15

2010-06-29

Neckel, Alexa D (Department: 1795)

Gas: heating and illuminating

Apparatus for converting or treating hydrocarbon gas

C123S00100A, C422S187000, C422S186220, C208S134000

Reexamination Certificate

active

07744664

ABSTRACT:
A catalytic reformer assembly comprising a mixing chamber wherein fuel and air are mixed. The wall of the mixing chamber tapers toward an outlet end. A catalyst bed formed in an annular shape surrounds the outlet end such that the walls of the mixing chamber shield the catalyst from direct exposure to fuel droplets injected into the mixing chamber. The fuel/air mixture flows out of the mixing chamber, then turns and counterflows through the catalyst bed outside the mixing chamber. Hot reformate from the catalyst bed flows in a reformate flow chamber extending along the outer surface of the walls of the mixing chamber, heating the wall surface within the mixing chamber for instantaneous evaporation of injected fuel. A plenum for incoming air surrounds the reformate flow chamber which is also heated thereby.

REFERENCES:
patent: 4650651 (1987-03-01), Fuderer
patent: 6126908 (2000-10-01), Clawson et al.
patent: 7037349 (2006-05-01), Dauer et al.
patent: 2004/0151663 (2004-08-01), Nougier et al.
patent: 2005/0198900 (2005-09-01), Nashburn et al.
patent: 2005/0235654 (2005-10-01), Kaupert et al.

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