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:
May. 01, 2001
Filed:
Oct. 19, 1999
Applicant:
Inventors:
Reuben Agnon, Sasbach, DE;
Walter Lehnert, Buehlertal, DE;
Christian Allgeier, Gaggenau, DE;
Otto Brass, Buehl, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/24 ; H02K 5/00 ; H02K 1/12 ;
U.S. Cl.
CPC ...
H02K 5/24 ; H02K 5/00 ; H02K 1/12 ;
Abstract
The electric motor, especially a permanently excited direct current motor, has a housing (,) carrying a magnetic pole (,) and a grounding ring (,) made from magnetically conductive material and mounted on the housing. In order to reduce the noise generation of the motor the grounding ring (,) is a knit article made from a thread-form or wire-form magnetically conductive material.