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:
Aug. 30, 2011
Filed:
Aug. 04, 2009
Christofer J. Palumbo, Elmwood Park, IL (US);
Christofer J. Palumbo, Elmwood Park, IL (US);
International Engine Intellectual Property Company, LLC, Warrenville, IL (US);
Abstract
An internal combustion engine has one or more engine cylinders () within which fuel is combusted and a pair of cylinder valves () spring-biased () closed but open in unison to place the respective cylinder in flow communication with one of an intake and an exhaust. A bridge () bridges ends of the pair external to the cylinder and has a spherically concave depression () in a face that is opposite a face that bears against the ends of the pair. The depression is located intermediate locations at which the ends of the pair bear against the bridge. A pivot foot () has a spherically convex surface () seated with substantial conformity in the depression and a flat surface () opposite the spherically convex surface. The flat surface of the pivot foot abuts a flat surface () of a rocker () that when rocked acts through the pivot foot and bridge to open the respective pair of valves.