Siemens Aktiengesellschaft

Continental Automotive Gmbh

Volkswagen Mechatronic Gmbh & Co. Kg

Vitesco Technologies Gmbh

Stephan Aurich

Harald Schmidt

Maximilian H Kronberger

Christoph Hamann

Wilhelm Frank

Ferdinand Loebbering

Ferdinand Löbbering

Carsten Brandt

Rüdiger Gam

Carsten Hampel

Jens Hömig

Thomas Sarfert

A nozzle needle for an injector for injecting fuel includes at least one guiding section with a recess and a guiding surface configured to rest against an inner surface of a nozzle body of the injector, the recess at least partially delimiting the guiding surface and being configured to allow a flow of fuel along the guiding section, and the guiding surface being guided about the longitudinal axis of the nozzle needle in a helical manner.

Nozzle needle for an injector for injecting fuel into cylinder combustion chambers of an internal combustion engine, and an injector with such a nozzle needle

To optimize the results of rounding and therefore to optimize the high pressure resistance of the component, it is firstly proposed that prior to the machining step of hydro-erosive rounding, the edge () and the surfaces () of the high pressure-resistant component () which adjoin the edge () are each placed under compressive stresses in the region of their surface by means of a grinding and/or honing process. Also with regard to the method, and with regard to an apparatus for the hydro-erosive rounding, it is proposed that a closure element () is inserted into the continuing first bore (), downstream of the second bore (), which branches off from the first bore, as seen in the main direction of flow (S) of the liquid () mixed with abrasives (), in order to divert the liquid () mixed with abrasives () from the first bore () into the second bore ().

Method for machining an edge of a high pressure-resistant component, in particular for hydro-erosively rounding an edge

An electrode guide and a method for the spark-erosion of workpieces are disclosed. The electrode guide (), consisting of a two-piece prism-shaped () guide with a pretensioning device (), enables an electrode () to be guided in a play-free manner, thus allowing the production of bores that is accurate to within 1 &#x3bc;m. A pivoting device () for pivoting the electrode guide and an alignment device () for the parallel displacement of the electrode guide () are also provided, enabling the production of conical bores.

Electrode guide for spark-erosion machines and a method for the spark-erosion of workpieces

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Neukirchen, Germany

Stephan Aurich