Patent ID: 8776782
Filing Date: 2014-07-15
Classification: F24S,Y02B,Y02E

Abstract:
1. A solar collector comprising an evacuated radiation transparent solar absorbing tube, an absorbing section comprising a radiation absorbing plate, an elongate tube for a working fluid in contact with the radiation absorbing plate, and a retaining means for retaining the absorbing plate in position in the solar absorbing tube, wherein the retaining means retains the absorbing section in a central position within the evacuated radiation transparent solar absorbing tube and wherein the retaining means comprises: a single piece wire clip having a clamping portion extending partially around and clamping onto an outer surface of the working fluid tube and, a pair of resilient side support sections flanking the clamping portion and connected to the clamping portion by arcuate connecting sections, the side support sections extending so that portions thereof engage against an inner surface of the solar absorbing tube and wherein the side support sections and arcuate connecting sections extend through openings in the surface of the radiation absorbing plate.