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:
Oct. 28, 2008
Filed:
Dec. 23, 2005
Homa Afjeh, Dunlap, IL (US);
Ronald D. Shinogle, Peoria, IL (US);
Gregory D. Brock, Peoria, IL (US);
Scott A. Leman, Eureka, IL (US);
Homa Afjeh, Dunlap, IL (US);
Ronald D. Shinogle, Peoria, IL (US);
Gregory D. Brock, Peoria, IL (US);
Scott A. Leman, Eureka, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An engine valve actuation system may include an intake valve moveable between a first position that blocks a flow of fluid and a second position that allows a flow of fluid. The system may also include a cam assembly configured to move the intake valve between the first position and the second position. An electromagnetic actuator may be configured to selectively modify a timing of the intake valve in moving from the second position to the first position.