Patent ID: 8875395

Claim:
A method of producing a heat exchanger, said method comprising: providing a plurality of heat conducting conduits configured to permit passage of a first medium, including at least one heat conducting conduit comprising a metal tube; providing at least one block of an open-cell porous medium of open-cell metal foam configured to permit passage of a second medium; providing a first plurality of grooves in said porous medium such that the porous medium becomes grooved, and such that the first plurality of grooves are disposed in a first orientation and in a same alignment relative to each other; bending said grooved porous medium in a direction, such that at least a plurality of said grooves are opened; applying said plurality of heat conducting conduits in said at least a plurality of opened grooves; and bending said grooved porous medium in an opposite direction such that said plurality of heat conducting conduits get locked in said open-cell porous medium.