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:
May. 04, 2004
Filed:
Jun. 27, 2002
Scania CV AB (publ), , SE;
Abstract
The present invention relates to an arrangement for controlling at least one engine valve ( ) of a combustion engine. The arrangement incorporates a hydraulic circuit with a pump ( ), a control valve ( ) which is designed to control a flow of medium in the circuit, and a power device ( ) which is designed to move the engine valve ( ) between open and closed positions. The pump ( ) is designed to circulate a flow of medium continuously in at least part of the circuit during an operating state of the combustion engine, and the control valve ( ) is designed to direct as necessary the flow of medium circulated by the pump ( ) to the power device ( ) so that the latter moves the motor valve ( ) in a desired direction.