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. 05, 2002
Filed:
Feb. 05, 2001
Thomas Stolk, Kirchhelm, DE;
Alexander von Gaisberg, Fellbach, DE;
DaimlerChrysler AG, Stuttgart, DE;
Abstract
In a device for operating a gas exchange valve of an internal combustion engine having an electromagnetic actuator including a valve opening magnet and a valve closing magnet, between which there is arranged an armature which, together with an opening spring, engages a valve stem against the force of a closing spring, and a hydraulic play-compensating element is arranged in the valve operating force transmission structure, the hydraulic play-compensating element is installed in the transmission structure together with a mechanical adjusting element providing for minimal valve play when the engine is shut down.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile