Robert Boschgmbh

Borgwarner Inc.

Vhit S.p.a. Societa Unipersonale

Steffen Meyer-Salfeld

Leonardo Cadeddu

Rinaldo Greiner

Gunter Flinspach

Rene Zieher

Rainer Peck

Christian Kriechbaum

Andreas Sommerer

Stephan Olbrich

Horst Mueller

Guenter Veit

Stefan Kieferle

Michael Schenk

Markus Viereck

Stefan Motz

Rolf Sauerstein

Jens Koenig

Bjoern Alexander Schuetz

Andreas Bartsch

Stephan Topp

Micha Muenzenmay

Wolfgang Beuer

Oliver Hasslacher

Jost Krauss

Haris Delic

Iago Gonzalez

Harry-Alexander Kempf

Ruediger Schaller

Alessandro Fauda

Gerald Fauter

Compressor for charging a combustion engine, comprising a compressor housing () with a volute (), a compressor wheel () being arranged in the compressor housing (), the compressor wheel () turning about an axis (A) and transporting gas into the volute (), and an inlet channel (), at least an end portion of the inlet channel () being oriented in the direction of the axis (A) in order to direct gas towards the compressor wheel in the axial direction, wherein an exhaust gas channel () terminates into the inlet channel () upstream of the compressor wheel (), and wherein the exhaust gas channel () can be shut off by means of a valve (), wherein a housing () of a driving device () of the valve () is integrally formed with the compressor housing ().

Compressor for charging a combustion engine

In a method for operating a valve, one valve element of the valve being able to be moved from a first position into a second position by activating an electrically actuatable actuator, the actuator is activated at least once in a first time interval, and is thereafter not activated in a second time interval, and a signal characterizing a strike of the valve element at the first position is ascertained at electrical terminals of the actuator. During the process, an activation energy of the actuator is gradually modified, and a threshold value of the activation energy at which the valve element is just able or is just no longer able to lift is ascertained.

Method for operating a valve

The invention proposes a fuel delivery device for a fuel injection device of an internal combustion engine, having a delivery pump () and having at least one high-pressure pump (). By means of the delivery pump (), fuel from a storage container () is delivered to the suction side of the high-pressure pump (), and fuel is delivered into a high-pressure region () by the high-pressure pump (). The delivery pump () has an adjustable displacement volume, which means that a variable quantity of fuel can be conveyed at the same rotational speed.

Fuel delivery device

A method for monitoring a fuel pressure in a fuel injection system of an internal combustion engine. A setpoint fuel pressure is initially set in the fuel injection system. Next, a first fuel injection and a subsequent second fuel injection are executed at a time interval shorter than a decay time of a pressure wave in the fuel injection system, triggerable by the first fuel injection. In an additional step, a monitored fuel injection quantity, which is injected via the second fuel injection, is ascertained. An action is executed if the monitored fuel injection quantity differs from a setpoint fuel injection quantity, which is predefinable for the setpoint fuel pressure, by more than a limiting value. The invention also relates to a computer program product for executing the method and to a device for monitoring a fuel pressure in a fuel injection system of an internal combustion engine.

Method and device for monitoring a high-pressure fuel system

Described is a method for operating an internal combustion engine (), in which method at least one parameter of the exhaust gas flowing in an exhaust-gas duct () is detected by at least one exhaust-gas probe (), wherein the internal combustion engine () is at least temporarily turned over by a starting device (), during which an injection and combustion of fuel does not take place, and during and/or after which the exhaust-gas probe () is adjusted.

Method for operating an internal combustion engine

A method for determining a fuel mass of a single injection that has been injected into at least one combustion chamber of a combustion engine with at least one injection under high pressure. The method includes determining a correction variable for the single injection with the aid of a comparison of a measure for the actual amount of the injected fuel of at least one test injection, which takes place due to a measure for a default nominal amount of a desired single injection, and a measure for the nominal amount of the test injection. The method additionally includes executing a plurality of timely directly successive test injections.

Procedure for determining the injected fuel mass of a single injection and device for implementing the procedure

In a fuel system of an internal combustion engine, the fuel quantity injected into a combustion chamber is a function of an activation period, during which a fuel injection device is activated. A pressure sensor detects the pressure in the fuel rail and provides a signal. The pressure in the fuel rail may be regulated to a setpoint pressure using a setting unit and employing the signal provided by the pressure sensor. The following method is provided for testing the fuel system:

Method for operating a fuel system

Growing community of inventors

Leonberg, Germany

Steffen Meyer-Salfeld