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:
Apr. 12, 2011
Filed:
Apr. 25, 2008
Applicants:
Ian Methley, Witney, GB;
Timothy Mark Lancefield, Shipston on Stour, GB;
Inventors:
Ian Methley, Witney, GB;
Timothy Mark Lancefield, Shipston on Stour, GB;
Assignee:
Mechadyne PLC, Kirtlington, GB;
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An actuating system for a gas exchange valve of an internal combustion engine is described which comprises two cams () associated with the valve (), a summation linkage () for lifting the valve in dependence upon the sum of the instantaneous lifts of the two cams (). A de-activating mechanismis provided for selectively decoupling the summation linkage from one () of the two cams.