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:
Oct. 14, 2003
Filed:
Dec. 20, 2001
Applicant:
Inventors:
Michael Lutz, West Bloomfield, MI (US);
Manzurul Haque, Utica, MI (US);
Piero Caporuscio, Shelby Township, MI (US);
Phillip G. Iott, Auburn Hills, MI (US);
Larry Hiltunen, Rochester Hills, MI (US);
Herbert Lacher, Leiblfing, DE;
Nikolaus Kerner, Wenzenbach, DE;
Assignee:
Siemens VDO Automative Corporation, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/34 ;
U.S. Cl.
CPC ...
F01L 1/34 ;
Abstract
A method for controlling valve actuation comprises the steps of communicating at least one dithering signal to preload the valve. An event signal is then communicated. The dithering signal is altered based on the cycle time for the valve. The preferred application is for camless engine valve control.