Patent ID: 7712327
Filing Date: 2010-05-11
Classification: F25D,F28D,F28F

Abstract:
1. A heat exchanger comprising: a main body which supports a fluid receiving conduit; a heating element which expands when energized, and contracts when deenergized and which is positioned within a vacant space defined by the main body of heat exchanger, and further is disposed in heat transmitting relation relative to the fluid receiving conduit, and wherein the heating element has a first end which is located in spaced relation relative to the main body of the heat exchanger, and an opposite second end which is located within the vacant space; and a coil spring having a first end which is affixed to the first end of the heating element, and a second end which is affixed to the main body of the heat exchanger, and wherein the first end of the heating element is telescopingly received within the coil spring, and wherein the coil spring is placed into tension when the heating element is energized and then expands.