Robert Boschgmbh

Bernhard Kaczynski

Iwan Komaroff

Karl Hofmann

Alfred Schmitt

Johannes Locher

Ewald Eblen

Werner Teschner

Gunther Schmid

Ernst Imhof

Helmut Reum

Alfred Knauer

Ulrich Lessing

Walter Mladek

Roland Zucker

Ursula Schoedel

Gerhard Auwarter

Friedrich Muhleder

Glow plug with constant-structure cobalt-iron PTC resistor

Fuel injection nozzle for internal combustion engines

System for injecting fuel into combustion chambers of an internal

Device for injecting fuel into a combustion chamber of an internal

Fuel-injection jet for internal combustion engines

A fuel injection nozzle is proposed in which the wrench hexagon of the nozzle holder, in order to reduce the structural length, is arranged to surround the spring chamber and the leakage oil connection is placed in this area of material reinforcement.

The invention relates to a fuel injection nozzle for internal combustion engines, in which a damping piston is located on the end of the valve needle, which valve needle opens in the flow direction, remote from the injection side. The damping piston cooperates with a cap that is mounted on the damping piston and spring-loaded in the direction of opening, and the cap and the damping piston define a damping chamber. A support ring which is stressed in a positively engaged manner by the closing spring of the injection nozzle is disposed on the valve needle. In the spatial segment between the damping chamber and the support ring, an encapsulated induction coil attached to a tubular segment surrounds the valve needle, and the support ring serves as the armature of a transducer embodied by the injection coil and at least one part, serving as the yoke of the encapsulation.

A fuel injection nozzle for internal combustion engines is proposed, having a valve needle and an induction coil, the armature of which is coupled with the valve needle and which serves to emit signals depending on the needle stroke or needle speed for a measuring device which can be connected to the injection nozzle. The induction coil is associated with a coil core, which is disposed such that it is displaceable in the axial direction in such a manner that a predetermined value for the initial inductance of the induction coil can be adjusted independently of the tolerances of the individual structural parts of the injection nozzle.

Growing community of inventors

Waiblingen, Germany

Bernhard Kaczynski