Robert Boschgmbh

Ralf Assmann

Peter Ropertz

Heiko Jahn

Soeren Stritzel

Bernd Beiermeister

Achim Laub

Christian Preissner

Jochen Kaesser

Wolfgang Ochs

Stefan Zaensch

Stefen Zaensch

A piston fuel pump for an internal combustion engine includes a pump cylinder and a pump piston that is configured to be axially displaced in the pump cylinder. A working chamber is defined by the pump piston. A seal is provided on the pump cylinder, which seals the working chamber counter to a low pressure region. The seal is applied directly to the pump piston by an injection molding method.

Piston fuel pump for an internal combustion engine

A piston fuel pump for an internal combustion engine includes a pump cylinder, a pump piston, and a seal. The pump piston is configured to be moved axially in the pump cylinder, wherein a working chamber is delimited by the pump piston. The seal is disposed on the pump piston and seals off the working chamber from a low-pressure region. The seal seals off an end section of the pump piston adjacent to the working chamber from the working chamber.

A pressure control valve for an automatic transmission of a motor vehicle includes a valve unit () extruded from plastic, which is disposed coaxially to an actuator unit and serves for control of a fluid flow between a supply port () and a consumer port () and in which fluid channels () and a valve chamber () are formed, in which a valve closing member is arranged. The fluid channels () and the valve chamber () are formed on an injection-molded preform (), which is injected into a flange ().

Pressure control valve and method for making a pressure control valve

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Schwabach, Germany

Ralf Assmann