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:
Aug. 27, 2002
Filed:
Jun. 13, 2000
Applicant:
Inventors:
Wolfgang Gehrmann, Hanau, DE;
Max Brossmer, Hanau, DE;
Assignee:
D.I.E.N.E.S. Apparatebau GmbH, Mulheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 6/14 ; H05B 6/42 ;
U.S. Cl.
CPC ...
H05B 6/14 ; H05B 6/42 ;
Abstract
The invention relates to roller unit consisting of an inductively heated roller, a drive motor, an inductor and a frequency converter. According to the invention not only the converter but also the temperature regulator for the induction heater and monitoring devices for the roller, heater and/or motor are integrated into the roller unit. The power electronics and the regulator are mounted on a common cooling unit which is cooled by a coolant which at the same time also cools the motor, the bearings and the inductor.