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Recirculation bubbler for glass melter apparatus

United States Patent

June 5, 2007
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A gas bubbler device provides enhanced recirculation of molten glass within a glass melter apparatus. The bubbler device includes a tube member disposed within a pool of molten glass contained in the melter. The tube member includes a lower opening through which the molten glass enters and upper slots disposed close to (above or below) the upper surface of the pool of molten glass and from which the glass exits. A gas (air) line is disposed within the tube member and extends longitudinally thereof. A gas bubble distribution device, which is located adjacent to the lower end of the tube member and is connected to the lower end of the gas line, releases gas through openings therein so as to produce gas bubbles of a desired size in the molten glass and in a distributed pattern across the tube member.
Guerrero; Hector (Evans, GA), Bickford; Dennis (Folly Beach, SC)
The United States of America as represented by the United States Department of Energy (Washington, DC), N/A (
10/ 377,651
March 4, 2003
The United States Government has rights in this invention pursuant to a contract between the United States Department of Energy and Westinghouse Savannah River Company.