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:
Jul. 17, 2001
Filed:
May. 12, 2000
Thomas Stolk, Kirchheim, DE;
Alexander von Gaisberg, Beilstein, DE;
DaimlerChrysler AG, Stuttgart, DE;
Abstract
In a device for actuating a gas exchange valve of an internal combustion engine, which actuating device includes an electromagnetic actuator and is floatingly supported on the cylinder head so as to provide for a play compensation structure, axially spaced valve opening and closing magnets having opposite pole faces are arranged in spaced relationship and an armature is axially movably disposed between the opposite pole faces and connected to the valve shaft of the gas exchange valve, and valve closing and opening springs are disposed at opposite sides of a spring support plate mounted for movement with the valve shaft, wherein the valve closing spring is supported on the actuating device and means are provided for biasing the actuating device into a valve closing direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile