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:
Mar. 29, 2011
Filed:
Mar. 02, 2007
Erwin Achleitner, Obertraubling, DE;
Thomas Maurer, Passau, DE;
Carlos Eduardo Migueis, Tegernheim, DE;
Erwin Achleitner, Obertraubling, DE;
Thomas Maurer, Passau, DE;
Carlos Eduardo Migueis, Tegernheim, DE;
Continental Automotive GmbH, Hannover, DE;
Abstract
In order to reduce the quantity deviation of a fuel injection valve, it is proposed according to the various embodiments that a test injection be carried out during an overrun cut-off phase of a motor vehicle in operation. In the process, the fuel rail () is closed on the inlet side and the selected injection valve () is activated. A quantity difference between the predetermined setpoint and the actual value can be determined by measuring a pressure difference in the fuel rail () before and after the test injection. This results in a correction factor with which the activation for the selected injection valve () is corrected for subsequent injections.