Patent ID: 7591301
Filing Date: 2009-09-22
Classification: B01J,F28D

Abstract:
1. A heat exchanger, comprising: a) a monolith formed of a piece of metal that has been folded back and forth upon itself, the piece of metal having a notch which provides access to an interior region of the monolith when the metal has been folded, b) a comb inserted into folds of the monolith, in a vicinity of an end of the monolith, the comb having a spine, c) a rectangular metallic piece, the rectangular piece being attached to the monolith and being spaced apart from the comb, d) a duct box which is fitted over an end of the monolith, the duct box including a pair of opposing portions which, together with the spine of the comb and the rectangular piece, define a duct which provides fluid communication with said interior region, and e) a plurality of cut pieces of corrugated metal, the cut pieces being located in spaces defined by folds of the monolith.