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:
Mar. 03, 2015
Filed:
Mar. 04, 2013
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Derek A. Tanis, Peoria, IL (US);
Joseph E. Roth, West Lafayette, IN (US);
Aaron G. Foege, Westmont, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 1/18 (2006.01); F01L 13/00 (2006.01);
U.S. Cl.
CPC ...
F01L 1/18 (2013.01); F01L 13/0031 (2013.01);
Abstract
A variable valve timing arrangement for an engine system is disclosed. The variable valve timing arrangement includes a cam follower configured to follow a cam lobe. A pushrod is operably connected with the cam follower and a pushrod rotation mechanism is configured to selectively rotate the pushrod. Further, a cam follower adjustment mechanism is configured to reposition the cam follower based on the rotation of the pushrod.