US Patent 7441519 Engine valve actuation system

Patent 7441519 was granted and assigned to Caterpillar Inc. on October, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Caterpillar Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7441519

Date of Patent

October 28, 2008

Patent Application Number

11315302

Date Filed

December 23, 2005

Patent Primary Examiner

‌

Ching Chang

Patent 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.