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:
Nov. 17, 2015
Filed:
Apr. 02, 2012
Applicants:
Rolf Sarres, Oberhausen, DE;
Wilhelm Van DE Kamp, Kleve, DE;
Inventors:
Rolf Sarres, Oberhausen, DE;
Wilhelm van de Kamp, Kleve, DE;
Assignee:
IPSEN, INC., Cherry Valley, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D 19/00 (2006.01); F27B 3/22 (2006.01); F27B 3/04 (2006.01); F27B 9/04 (2006.01); F27D 17/00 (2006.01); C21D 1/74 (2006.01); F27D 7/00 (2006.01);
U.S. Cl.
CPC ...
F27D 17/008 (2013.01); C21D 1/74 (2013.01); F27D 7/00 (2013.01);
Abstract
In order to increase energy efficiency in an industrial furnace () operated by heating gas and protective gas for thermally treating materials, a first burner () is actuated for heating with priority over a second burner (), the second burner () is engaged additionally and operated when the output from the first burner () falls below the level necessary to heat the industrial furnace () up to a temperature setpoint, and the second burner () is switched off when the temperature setpoint has been reached.