Heat exchange – Flow passages for two confined fluids
Reexamination Certificate
2007-10-08
2011-11-01
Leung, Jennifer A (Department: 1774)
Heat exchange
Flow passages for two confined fluids
C165S165000, C165S166000, C165S133000, C165SDIG039, C422S180000, C422S222000
Reexamination Certificate
active
08047272
ABSTRACT:
A low-cost, high-temperature heat exchanger is made from a notched piece of metal, the metal being folded back and forth upon itself to form a monolith. The notches in the metal piece create openings, communicating with distinct sides of the monolith. Ducts are attached to the openings. Cut pieces of corrugated metal, which may have a catalyst coating, are inserted between folds of the monolith. The heat exchanger may be used as part of a fuel cell system, or in other industrial applications, to recover waste heat, or to conduct various catalytic and non-catalytic reactions. The invention also includes an element, or building block, for a high-temperature heat exchanger, including a folded metal monolith with metal combs inserted, the monolith and the combs defining seams which are hermetically sealed.
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Becker John H.
Brunson Gordon W.
Whittenberger William A.
Catacel Corp.
Leung Jennifer A
Pearne & Gordon LLP
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