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. 28, 2014
Filed:
Jan. 23, 2012
Applicant:
Lothar Dietl, Aalen, DE;
Inventor:
Lothar Dietl, Aalen, DE;
Assignee:
C. & E. Fein GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A series-wound DC motor is disclosed comprising a stator having at least two poles and an armature, each pole comprising at least one field winding which is connected in series with an armature winding, and further comprising at least one permanent magnet arranged on each pole, whose magnetic field is superimposed on the main field produced by the at least one field winding.