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. 23, 2002
Filed:
Jan. 05, 2001
Thomas H. Fischer, Rochester, NY (US);
William R. Haslett, Hanover, NH (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A variable valve mechanism includes an elongate input shaft having a central axis. An input cam lobe is disposed on the input shaft and is eccentric relative to the central axis. A guide member is pivotally mounted on the input shaft. A frame is disposed in engagement with the input cam lobe, and is pivotally and slidably coupled to the guide member. A link has a first end pivotally coupled to the frame. An output cam is pivotally mounted on the input shaft. The output cam is pivotally coupled to a second end of the link arm. The output cam is configured for oscillating engagement of a roller of a roller finger follower.