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. 03, 2009
Filed:
Nov. 21, 2005
Austin R. Zurface, Hastings, MI (US);
Andrew P. Harman, Battle Creek, MI (US);
Kynan L. Church, Battle Creek, MI (US);
Austin R. Zurface, Hastings, MI (US);
Andrew P. Harman, Battle Creek, MI (US);
Kynan L. Church, Battle Creek, MI (US);
Eaton Corporation, Cleveland, OH (US);
Abstract
A valve control system including a camshaft having first and second cam profiles, the valve control system comprising a rocker arm assembly () including a first rocker arm () having a first cam follower () in engagement with the first cam profile, and a second rocker arm () having a second cam follower () in engagement with the second cam profile. The engine includes a fulcrum location (P) operable to provide a source of pressurized fluid, and the first rocker arm includes a latch member () moveable between latched (FIG.) and unlatched conditions. The latch member is biased toward the latched condition by a fluid pressure in a chamber (), and the first rocker arm defines a fluid passage () having a first end () in open fluid communication with the pressure source, and a second end () in open fluid communication with the pressure chamber ().