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:
Feb. 11, 2014
Filed:
Jan. 28, 2011
Ian Methley, Witney, GB;
Nicholas James Lawrence, Petersfield, GB;
Ian Methley, Witney, GB;
Nicholas James Lawrence, Petersfield, GB;
Mechadyne PLC, , GB;
Abstract
A valve mechanism is disclosed for a cylinder of an internal combustion engine which comprises two gas exchange poppet valves mounted in a cylinder head, a bridgeacting on the two valves, a cam for actuating the two valves, a slidermovable by the cam and slidable relative to the bridge, and a hydraulically controlled locking system having a latched position in which the slider transmits the force of the cam to the bridgeto actuate the two valves and a released position in which the valves are deactivated and the slider slides freely relative to the bridge. In the invention, the slideris urged towards the cam by a springacting between the sliderand the cylinder head.