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:
Sep. 07, 2010
Filed:
Jun. 29, 2007
Mark Steven Ellison, Chillicothe, IL (US);
Anthony Kok-fai Chan, Peoria, IL (US);
John Henry Nguyen, Peoria, IL (US);
John Stephen Pipis, Jr., Washington, IL (US);
Mark Steven Ellison, Chillicothe, IL (US);
Anthony Kok-Fai Chan, Peoria, IL (US);
John Henry Nguyen, Peoria, IL (US);
John Stephen Pipis, Jr., Washington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A variable valve actuator for a power system is provided. The variable valve actuator may have a hydraulic piston extendable to interrupt cyclical movement of an engine valve. The variable valve actuator may also have a pin member pivotally received by the hydraulic piston, and a retaining ring configured to axially align the pin member with the hydraulic piston as the hydraulic piston is retracted.