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Inventor:
Wirkowski; Michael
Address:
Regensburg, DE
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
8196564 Method for determining a controlled variable for pressure control of a high-pressure accumulator June 12, 2012
In a method for determining a controlled variable of pressure control of a high-pressure accumulator of an injection system, a setpoint pressure gradient value is determined in the high-pressure accumulator as a function of the maximum possible actual pressure gradient value.
8113039 Method for testing the operation of a pressure sensing unit of an injection system of an interna February 14, 2012
In a method for testing the operation of a pressure sensing unit of an injection system of an internal combustion engine, the injection system has no high-pressure valve. An error is detected when a pressure gradient value falls below a pressure gradient limit while at the same time the
8108124 Method for determining an uncontrolled acceleration of an internal combustion engine January 31, 2012
In a method for determining an uncontrolled acceleration of an internal combustion engine, a valve opening cross section is allocated to each load state of the internal combustion engine. In the event that a controller value is outside a limit range, an uncontrolled acceleration of t
8065071 Internal combustion engine and associated operating method November 22, 2011
In a method of operating an internal combustion engine having at least two combustion chambers, each combustion chamber contributes torque to the total torque of the internal combustion engine, and the internal combustion engine is designed in such a way that a quantity of exhaust ga
7765054 Injector calibration method for operating an internal combustion engine July 27, 2010
A method for operating an internal combustion engine has the steps: (a) during an overrun phase of the internal combustion engine, activating an injector of a first combustion chamber for a predetermined activation time .tau..sub.inj with a predetermined activation voltage U.sub.i=1, (b)
7637252 Common rail injection system December 29, 2009
A common rail injection system for an internal combustion engine has at least one combustion chamber, a high pressure fuel pump for supplying fuel, a high pressure fuel accumulator connected to the high pressure fuel pump for storing fuel p.sub.inj at injection pressure in relation to
7406861 Method and device for detecting the idle stroke of injectors August 5, 2008
In a method and device for characterising the return stroke of injectors, in particular piezo-injectors of an internal combustion engine provided with a common rail system, when the internal combustion engine is switched off, a constant pressure is dropped in the rail, thereby making
7163001 Method and device for controlling the volumetric flow in a fuel injection system of an internal January 16, 2007
A method and device control a volumetric flow in a common rail injection system of an internal combustion engine by producing a rail pressure with a high pressure pump, setting the rail pressure with a high pressure control valve and determining the volumetric flow by a valve position of
7110875 Method and device for determining the temperature of the fuel in a fuel reservoir injection syst September 19, 2006
In fuel reservoir injection systems also known as common rail fuel-injection systems (1) for motor vehicles the problem exists that for a defined quantity of fuel that is about to be injected it is necessary to take into account not only the predominant pressure of the fuel but also
6923160 High-pressure fuel reservoir for a reservoir injection system August 2, 2005
The invention relates to a high pressure fuel accumulator for an accumulator injection system in internal injection engines, comprising a base body which is provided with a longitudinal recess which has a plurality of connecting bores emanating therefrom. The inner chamber of the lon










 
 
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