The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2013
Filed:
Oct. 13, 2010
Thomas Kuckelkorn, Jena, DE;
Kamel Silmy, Tourcoing, FR;
Sebastian Dreyer, Tirschenreuth, DE;
Schott Solar AG, Mainz, DE;
Abstract
The radiation-selective absorber coating for absorber tubes of parabolic trough collectors includes two or more barrier layers (); an infrared reflective layer () on the barrier layers (); at least one cermet absorption layer () above the infrared reflective layer () and an antireflection layer () above the at least one cermet absorption layer (). The two or more barrier layers () include a first barrier layer () of thermally produced oxide and a second barrier layer () arranged above it. The second barrier layer () is a cermet material including at least one oxide compound and at least one metal. The oxide compound is aluminium oxide, silicon oxide, nickel oxide and/or chromium oxide. The metal is molybdenum, nickel, tungsten and/or vanadium. The invention also includes an absorber tube with the absorber coating on it.