Robert Boschgmbh

Christian Wiedmann

Helmut Rembold

Jens Wolber

Timm Hollmann

Matthias Schumacher

Oliver Albrecht

Laurent Nack

Markus Amler

Thomas Frenz

Michael U Fischer

Christian Koehler

Matthias Maess

Bernd Schroeder

Joerg Kuempel

Goekhan Guengoer

Frank Mueller

Thomas Froihofer

Karsten Hinn

Gerhard Haaf

Stefan Smetana

Matthias Fischer

Oliver Rogalla

Rouven Ritter

Mark Andrew

Richard Lorenz

A holder used for mounting at least one component on an add-on structure, e.g., an internal combustion engine, includes: a base element able to be connected to a component; a fixation element, which extends through the through bore of the base element and a damping element disposed in the through bore, in order to mount the base element on the add-on structure; a fixation sleeve; and a damping element surrounding an outer side of the fixation sleeve and form-fittingly connected to the fixation sleeve on at least one side along the longitudinal axis, and on at least one side the damping element is form-fittingly connected to the base element along the longitudinal axis.

Holder for fastening a fuel distributor to an internal combustion engine, and fuel injection system having such a holder

In a method for controlling a fuel injection system () of an internal combustion engine, wherein the fuel injection system () comprises a manifold () and a high-pressure pump () and a fuel dosing unit () is associated with the high-pressure pump (), wherein the fuel dosing unit () controls the amount of fuel delivered, an amount of fuel required for the operation of the internal combustion engine is determined as a function of a correction factor, which is based on a fuel pressure at the inlet of the high-pressure pump () and/or on a vapor pressure of the fuel to be delivered.

Method for controlling a fuel injection system of an internal combustion engine

A method for controlling a fuel injection system () of an internal combustion engine. Including a high-pressure pump () associated with a quantity controlling valve () having a solenoid valve () electromagnetically actuatable by a coil () for supplying fuel, the quantity control valve () controlling the quantity of fuel supplied by the high-pressure pump () and the coil () of the solenoid valve () having a first current value applied thereto, in order to close the same for supplying fuel to the high-pressure pump (), the first current value being reduced to a second current value when the solenoid valve is closing (), such that the radiation of audible sound arising from the closing of the solenoid valve () is at least partially reduced.

Method for controlling a solenoid valve of a quantity controller in an internal combustion engine

The invention relates to a fuel pump for a fuel system of an internal combustion engine, having a housing and a housing cap joined to the housing. In order to create a fuel pump which in its operation generates little airborne sound, structure-borne sound (vibration amplitudes) and pulsations in a low-pressure region of the fuel pump, it is proposed that the housing cap has at least one damping element, which is embodied as a sandwich construction having at least a first cover layer, a second cover layer, and a damping connection layer disposed between them. The damping connection layer has a markedly higher elasticity and/or higher material damping than the two cover layers, which may be constructed of sheet metal or the housing cap itself.

Fuel pump for a fuel system of an internal combustion engine

A fuel system for an internal combustion engine includes at least one first fuel pump and a pressure region into which the fuel pump pumps and which communicates with an elastic volume reservoir. The elastic volume reservoir has a characteristic pressure/volume curve, which is defined by at least two points. It is proposed that a first point is defined by a first volume at a first pressure that is somewhat greater than a vapor pressure of the fuel at ambient temperature, and that a second point is defined by a second volume and a second pressure in the pressure region that corresponds to a maximum pressure; the difference between the first and second volumes corresponds at least approximately and at least to a value by which the volume of the fuel in the pressure region decreases upon cooling down from a maximum temperature to ambient temperature.

Fuel system, especially of the common rail type, for an internal combustion engine

A method for operating an internal combustion engine having a fuel pump with a drive shaft is provided, the fuel pump conveying fuel into at least one fuel-collection line, the fuel being subsequently conveyed to at least one combustion chamber via at least one fuel-injection device. In the method, a quantity of the fuel conveyed by the fuel pump into the fuel-collection line is set by means of a valve device. The valve device is configured to selectively connect a discharge side of the fuel pump to a low-pressure region of the fuel pump (during deactivation phase), and selectively disconnect the discharge side from the low-pressure region (during supply phase). In supplying the quantity of fuel, a supply rate, defined as the number of supply phases of the fuel pump per rotation of the drive shaft, is determined as a function of at least one operating parameter of the internal combustion engine.

Method for operating an internal combustion engine

Growing community of inventors

Ludwigsburg, Germany

Christian Wiedmann