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. 10, 2012
Filed:
Dec. 12, 2006
Edward Smith, McConnellsburg, PA (US);
Chun Tai, Hagerstown, MD (US);
Timothy Suder, Greencastle, PA (US);
Edward Smith, McConnellsburg, PA (US);
Chun Tai, Hagerstown, MD (US);
Timothy Suder, Greencastle, PA (US);
Mack Trucks, Inc., Greensboro, NC (US);
Abstract
An engine with a valve opening arrangement includes an engine including at least one cylinder and at least one valve for opening and closing an opening in the cylinder. The valve is spring loaded to a closed position. The engine also includes a movable contact surface for urging the valve to an open position, and a control arrangement at least partially connected to the contact surface and operable in a modified mode to at least one of advance opening and delay closing of the valve relative to opening and closing in a normal mode.