Patent ID: 8881721
Filing Date: 2014-11-11
Classification: F24S,Y02E

Abstract:
1. A solar collection assembly comprising: a metallic tube adapted to carry a heat transfer medium therethrough; an envelope surrounding said tube and having opposed ends; and a diaphragm interposed between each said end and said tube to support said tube from said envelope, said diaphragm comprising: radially oriented metallic, serpentine-shaped convolutions, wherein said convolutions comprise a series of outer ridges and inner grooves adjacent to one another; and a metallic attachment ring extending axially from and continuously welded to one of said metallic convolutions at one end, said metallic attachment ring having an outer diameter substantially equivalent to a diameter of said envelope and connected thereto at an end opposite said convolutions, wherein one of said metallic convolutions at an end opposite said attachment ring has an axially extending welding landing, wherein said welding landing is continuously welded to said metallic tube such that all said outer ridges are radially aligned with said welding landing, and wherein the said convolution furthest away from said welding landing provides a ring landing which is secured to said attachment ring.