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:
Feb. 22, 2011
Filed:
Oct. 15, 2007
Applicants:
Hannu Koskela, Tampere, FI;
Ari Saarela, Lempäälä, FI;
Kalle Salmi, Tampere, FI;
Inventors:
Assignee:
Metso Power Oy, Tampere, FI;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F23L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cleaning apparatus for a smelt spout of a recovery boiler, which apparatus comprises a motorized cleaning member () for cleaning the smelt spout (). The cleaning apparatus further comprises a path () and a cleaning unit, which comprises motorized transfer means for transferring the cleaning unit to the location of the smelt spout () along the path.