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:
Mar. 07, 2017
Filed:
Dec. 22, 2010
Applicant:
Hans Hermann Rottmerhusen, Tellingstedt, DE;
Inventor:
Hans Hermann Rottmerhusen, Tellingstedt, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 3/12 (2006.01); H02P 3/00 (2006.01); H02P 3/22 (2006.01); H02P 25/10 (2006.01); H02P 25/14 (2006.01);
U.S. Cl.
CPC ...
H02P 3/22 (2013.01); H02P 25/10 (2013.01); H02P 25/14 (2013.01);
Abstract
An electrodynamic braking device for a universal motor includes a field winding configured to be fed from a grid during a braking operation, and an armature that is configured to be directly short-circuited. A braking process is performed by means of control electronics. Good braking is achieved with relatively low brush wear. Such an electrodynamic braking device can be used effectively for a power tool.