Patent ID: 6698501
Filing Date: 2004-03-02
Classification: F28D,Y10S

Abstract:
A heat exchanger comprising:a plurality of substantially parallel conduits spaced-apart in an array to convey a first fluid through said heat exchanger, said conduits each having a first plurality of flat surfaces; a plate attached to a first side of said heat exchanger and perforated by a plurality of orifices conveying a second fluid through said heat exchanger; a permeable first cover attached to a second side of said heat exchanger, said first cover being spaced-apart from said plate by said plurality of conduits and defining a plurality of interstices between said conduits, said first cover corrugated with rounded or flat sided ridges; a second permeable cover attached to said plate; and a plurality of small solid particles distributed within said interstices, said small solid particles having a second plurality of flat surfaces contactable against said first plurality of flat surfaces to transfer heat between said first fluid and said second fluid.