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. 01, 2011
Filed:
May. 31, 2006
Thomas R. Mcclure, Washington, IL (US);
Sean O. Cornell, Gridley, IL (US);
Robert L. Miller, Dunlap, IL (US);
John S. Pipis, Jr., Washington, IL (US);
Thomas R. McClure, Washington, IL (US);
Sean O. Cornell, Gridley, IL (US);
Robert L. Miller, Dunlap, IL (US);
John S. Pipis, Jr., Washington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A variable valve actuation system is disclosed for providing exhaust to at least one component downstream of an engine. The system includes a supply of low pressure fluid, an engine fluid sump, and an exhaust valve disposed in an engine cylinder. The system also includes a hydraulic actuation system operably connected to the exhaust valve of the engine cylinder and a braking control valve operably connected to the hydraulic actuation system. The system further includes a device for accumulating fluid and a device for fluidly coupling the hydraulic actuation system to the accumulating device.