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. 05, 2015
Filed:
Jun. 15, 2012
Thomas Golz, Sipplingen, DE;
Thomas Golz, Sipplingen, DE;
ETO Magnetic GmbH, Stockach, DE;
Abstract
The invention relates to an electromagnetic actuating device () for a camshaft adjustment device of an internal combustion engine of a motor vehicle, with an elongated actuating element () forming an engagement region on the end side and movable by the force of a coil device () provided in a stationary manner, which actuating element preferably has in parts a cylindrical covering contour and penetrates a cut-out () in permanent magnet means () arranged on the shell side, which are constructed for cooperating with a stationary core region () comprising a core body (), and which actuating element lies in a switching position with a contact surface (), on the end side on the actuating element side, against a contact surface () on the core region side. Provision is made that the contact surface () on the core region side is formed at least in part by a contact element () fixed in the core body (), which contact element is constructed from a material which has a greater hardness than the material of the core body ().