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. 31, 2012
Filed:
May. 09, 2008
Applicant:
Jani Kangas, Espoo, FI;
Inventor:
Jani Kangas, Espoo, FI;
Assignee:
Abb Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23Q 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heated frequency converter assembly having a resistor element and/or brake means that are configured to heat the frequency converter assembly to produce a sufficiently high operating temperature and/or to prevent moisture condensation.