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.

Date of Patent:
Sep. 10, 2013

Filed:

Mar. 23, 2009
Applicants:

Uwe Jung, Wörth a. d. Donau, DE;

Janos Radeczky, Wenzenbach, DE;

Michael Wirkowski, Regensburg, DE;

Inventors:

Uwe Jung, Wörth a. d. Donau, DE;

Janos Radeczky, Wenzenbach, DE;

Michael Wirkowski, Regensburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 69/46 (2006.01); F02M 69/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a method for determining the rail pressure in a common rail system of an internal combustion engine, at least one measurement variable is determined which is a measure for the angular velocity of a crankshaft movement of the internal combustion engine, and the rail pressure is determined from said measurement variable or from a variable derived from the measurement variable. Furthermore disclosed are methods that are based thereon for controlling an injection quantity and for controlling a rail pressure, and a corresponding common rail injection system.


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