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:
Apr. 01, 2003
Filed:
Apr. 02, 2001
Applicant:
Inventors:
Johannes-Jörg Rueger, Vaihingen/enz, DE;
Matthias Beckert, Reutlingen, DE;
Udo Schulz, Vaihingen/enz, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 3/704 ;
U.S. Cl.
CPC ...
F02M 3/704 ;
Abstract
The invention describes a method and apparatus for operating a fuel injection system having a piezoelectric element ( or ) for controlling the amount of fuel injected into a combustion engine, characterized in that the piezoelectric element ( or ) is controlled based upon the charge it is carrying.