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. 05, 2014
Filed:
Mar. 07, 2012
Applicants:
Lothar Dietl, Aalen, DE;
Alfred Schreiber, Kirchheim, DE;
Richard E. Geitner, Aalen, DE;
Inventors:
Assignee:
C. & E. Fein GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A direct-current motor is disclosed, preferably in the form of an EC motor, which has a matching arrangement in order to vary its rotation-speed/torque characteristic, having a permanently effective control circuit for controlling the motor, which control circuit is programmed such that the rotation-speed/torque characteristic is permanently varied with respect to rated operation or operation with the matching arrangement.