Robert Boschgmbh

Matthias Beck

Nestor Rodriguez-Amaya

Manfred Mack

Hubert Greif

Steffen Knapper

Heinz-Gerhard Essig

Michael Mennicken

Christoph Keyl

Liebhart Zaiser

Thomas Kuhn

Wolfgang M Grimm

Anja Melsheimer

Sebastian Oschmann

Thomas Haas

Peter Pozsega

Egon Rill

Christoph Hollmann

Botond Szeles

Thilo Rzymann

Matthias Lang

Jan-Peter Reibert

Juergen Pastuschka

Gergely Laszlo Hegedus-Fuchs

Carl Dissoubray

Benjamin Nemes

Falk-Alexander Petry

Jan Amrhein

Bernd Kuhn

Peter Delissen

Patrick Hantke

A pilot device for a hydraulic directional valve includes a displacement sensor, a pilot valve, an actuating device, a coil assembly, and a circuit board. The displacement sensor has a sensor axis and the pilot valve has a valve axis. The valve axis and the sensor axis are arranged substantially parallel to one another so as to lie in a reference plane. The actuating device and the coil assembly are arranged adjacent to one another. The circuit board is arranged parallel to the reference plane. In each case, to establish an electrical contact, the coil assembly, the actuating device, and an electrical plug connection are either soldered directly to the circuit board or are in breakable electrical contact with a respectively associated, rigid contact assembly. The contact assembly is soldered directly to the circuit board.

Pilot device for a directional valve without internal cable connections

Disclosed is a valve comprising a valve member () that is guided so as to be movable in the direction of the longitudinal axis () thereof, extends into a valve pressure chamber (), and is provided with a sealing surface () on a face which runs perpendicular to the longitudinal axis () thereof inside the valve pressure chamber (). Said sealing surface () of the valve member () cooperates with a valve seat () that runs perpendicular to the longitudinal axis () thereof so as to at least largely close an opening () which is surrounded by the valve seat () relative to the valve pressure chamber (). A connection () to a low-pressure area lies immediately next to said opening (). The inventive valve member () is also provided with a peg () which extends into the connection () and by means of which liquid that flows out of the valve pressure chamber () when the sealing surface () of the valve member () is lifted from the valve seat () is directed in such a way that said liquid applies at least nearly no resulting force onto the valve member () in the direction of the longitudinal axis () thereof.

Valve for controlling a connection in a high-pressure fuel injection apparatus for an internal combustion engine

The invention relates to a fuel injection apparatus for an internal combustion engine, having an injection valve that protrudes into the combustion chamber of the engine. This valve communicates with a valve chamber in that a control part closes and opens inlet bores for fuel that is at high pressure. The control part is actuatable by means of a hydraulic-mechanical booster. The pump part, valve part and nozzle part of the fuel injection apparatus are disposed in a vertical arrangement, hydraulically in line with on another in terms of the fuel flow.

Extended pump-valve-nozzle unit having hydraulic-mechanical translation

Method for determining auxiliary position-control parameters

Growing community of inventors

Stuttgart, Germany

Matthias Beck