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:
Sep. 07, 2010
Filed:
Mar. 31, 2006
Applicants:
Georg Krämer, Wiesenttal, DE;
Konrad Meier-hynek, Herzogenaurach, DE;
Inventors:
Georg Krämer, Wiesenttal, DE;
Konrad Meier-Hynek, Herzogenaurach, DE;
Assignee:
Areva NP GmbH, Erlangen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 3/02 (2006.01); B08B 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and device for cleaning pipes of a heat exchanger includes placing a throttle-free jet nozzle against an end of a pipe. The throttle-free jet nozzle has an outlet opening of a same size or slightly smaller than an inner cross-sectional area of the pipe. A stream of air containing an abrasive is blown through the pipe for cleaning the pipe.