Robert Boschgmbh

Elmar Okrent

Frank Miller

Hubert Stier

Martin Mueller

Andreas Peetz

Hirokazu Terashima

Ulrich Doebler

Bernd Krauss

Matthias Proksch

Ulrich Döbler

A sealing element of a valve, e.g., a gas valve, for controlling a medium includes a base body having a sealing surface, the sealing surface either (i) being inclined in relation to a center axis of the sealing element or (ii) having at least one inclined area. In addition, a valve seat support of the valve for controlling a medium includes: a first ring-shaped valve seat in a first valve seat plane; a second ring-shaped valve seat in a second valve seat plane; and a passage aperture situated between the first valve seat and the second valve seat, the first and second valve seat planes being perpendicular to a center axis of the valve seat support.

Valve having an improved sealing element and an improved valve seat support

A pressure-effected interconnection of a metal part and a plastic part which is slipped over the metal part with a press fit, in particular in a fuel injector for internal combustion engines, is provided in which, for a reliable connection between the pressing pieces, without high demands on manufacturing tolerances, the outer wall of the metal part has circumferential ribs disposed one behind the other in the axial direction, with a back that rises from the outer wall towards the outside in the slide-on direction of the plastic part, and a flank that falls steeply from the back to the outer wall. Each rib has disposed in front of it&#x2014;viewed in the slide-on direction of the plastic part&#x2014;an annular groove, the annular groove being introduced into the outer wall, directly at the foot of the back.

Pressure-effected interconnection of a metal part and a plastic part

A valve for controlling a fluid, in particular for controlling a gas. The valve includes a valve housing having a housing sleeve and an electromagnetic actuator for an armature which is guided in an axially displaceable manner and which cooperates with a valve seat situated on a seating plate so that a fluid flow through outflow orifices in the seating plate is controllable. The armature is guided along an armature sleeve which is situated in the housing sleeve.

Valve for controlling a fluid

A fuel injector () for the direct injection of fuel into the combustion chamber of an internal combustion engine has a piezoelectric actuator () which is encapsulated in an actuator housing (); a valve needle () which is in operative connection with the actuator and on which a valve-closure member () is formed which forms a sealing seat together with a valve-seat surface (); and a nozzle body () into which the actuator housing () is able to be inserted. The actuator housing () and the nozzle body () are sealed by a common connecting part (), the connecting part () having a first and a second diameter step ().

Growing community of inventors

Remseck, Germany

Elmar Okrent