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:
Jan. 05, 2016
Filed:
Jan. 18, 2011
Applicants:
Hannu Koskela, Tampere, FI;
Ari Saarela, Lempäälä, FI;
Kalle Salmi, Tampere, FI;
Inventors:
Assignee:
Valmet Technologies Oy, Espoo, FI;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F22B 37/48 (2006.01); F23J 1/06 (2006.01); F23J 1/08 (2006.01);
U.S. Cl.
CPC ...
F23J 1/06 (2013.01); F23J 1/08 (2013.01);
Abstract
A cleaning unit for smelt spouts of a recovery boiler. A motorized cleaning member is configured to clean smelt spouts of a recovery boiler. A motorized transfer device is configured to transfer the cleaning unit from the location of a first smelt spout to the location of a second smelt spout.