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. 28, 2004
Filed:
May. 07, 2002
Applicant:
Inventors:
Massimo Neretti, San Lazzaro di Savena, IT;
Michele Petrone, San Lazzaro di Savena, IT;
Andrea Ricci, San Michele, IT;
Cecilia Lamberti, Bologna, IT;
Assignee:
Magneti Marelli Powertrain S.p.A., Turin, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 1/08 ; B05B 1/30 ; F02M 3/900 ;
U.S. Cl.
CPC ...
B05B 1/08 ; B05B 1/30 ; F02M 3/900 ;
Abstract
Fuel injector provided with a piezoelectric actuator, a valve activated by the piezoelectric actuator and regulating a fuel supply that flows in a working direction, and a mechanical transmission placed between the piezoelectric actuator and the valve; an expansion of the piezoelectric actuator displaces the valve in the working direction from a closed position to an open position in an opposite direction to that of the fuel outlet.