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:
Dec. 25, 2001
Filed:
Nov. 28, 2000
Applicant:
Inventors:
Assignee:
Magneti Marelli S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
F01L 9/04 ;
U.S. Cl.
CPC ...
F01L 9/04 ;
Abstract
A method for the control of an electromagnetic actuator coupled to a respective valve and provided with a moving member actuated magnetically, by means of a net force, in order to control the movement of the valve between a closed position and a position of maximum opening, a pair of electromagnets disposed on opposite sides with respect to the moving member and an elastic member adapted to maintain the valve in a rest position. The method comprises the stages of estimating the disturbing forces acting on the valve, calculating an actual force as a function of the objective force value and the disturbing forces and implementing this actual force value.