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:
Nov. 04, 2003
Filed:
Oct. 28, 2002
Frank Dolderer, Mutlangen, DE;
Volker Korte, Bissingen, DE;
Christoph Steinmetz, Ludwigsburg, DE;
Martin Lechner, Stuttgart, DE;
Mahle Ventiltrieb GmbH, Stuttgart, DE;
Abstract
A control device for an intake valve of an internal combustion engine comprising an adjusting element and a control element. According to the invention, the adjusting element comprises a base body ( ) and is displaceably arranged between the control element and the valve. The control element rotates during the operation of the control device. Rotating control element circumferential areas with contours that vary in the circumferential direction are provided as control cams throughout the rotating control element. Force introduction areas KEB ( ), which are positioned in a non-uniform manner, and a force transfer area KUB ( ) are provided on the base body ( ) of the adjusting element. Switching means for the alternately M contacting assignment of the KEB areas ( ) are provided on the different control cam areas of the control element The aim of the invention is to enable the largest possible number of different controls for an engine valve. To this end, the invention provides that, (“f”) in a control device of this type, the mutual assignment between the one KUB area ( ) and the at least two KEB areas ( ) can be modified among one inside the adjusting element base body ( ) by means of the switching means.