Patent ID: 9328967
Filing Date: 2016-05-03
CPC Classification: F22B,F23J,F24D,F24H,F28D,F28F,Y02B,Y02E,Y02P,Y10T

Claim Text:
1. An elongated counter-flow heat exchanger for heat recovery, the counter-flow heat exchanger comprising: a clam shell formed in two halves and forming a main channel, the main channel including at least one inlet and at least one outlet; and, at least one length of tubing made of a thermally conductive material and forming at least one corresponding core channel, the at least one length of tubing folded into a serpentine shape formed to fit the main channel and disposed within the main channel; and, a strip made of the same thermally conductive material cut to form fins and bonded in a spiral around each of the at least one length of tubing.