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:
Jun. 14, 2016
Filed:
Feb. 21, 2014
Applicant:
Kendrion (Villingen) Gmbh, Villingen-Schwenningen, DE;
Inventors:
Robert Sackl, Deutschlandberg, AT;
Joachim Fluehs, Villingen-Schwenningen, DE;
Assignee:
Kendrion (Villingen) GmbH, Villingen-Schwenningen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/00 (2006.01); H02K 33/00 (2006.01); H01F 7/08 (2006.01); H01F 7/16 (2006.01);
U.S. Cl.
CPC ...
H02K 33/00 (2013.01); H01F 7/081 (2013.01); H01F 7/1615 (2013.01); H01F 2007/086 (2013.01); H01F 2007/1692 (2013.01);
Abstract
The invention relates to an electromagnetic actuator having a magnetically soft housing with at least two field coils which are distanced from each other axially, and an armature which is mounted in the housing concentrically to the field coils and which can slide axially, wherein the armature has at least one permanent magnet ring which encloses the armature radially. According to the invention, a non-magnetic sleeve is included which, together with the permanent magnet ring, radially surrounds the armature.