Rausch & Pausch Gmbh

Rapa Rausch & Pausch Elektrotechnische Spezialfabrik Gmbh

Fresenius Medical Care Deutschland Gmbh

Werner Doehla

Werner Schieweck

Walter Steeb

Olaf Seewald

Michael Rauch

Michael Teichmann

Rafael Benavides

An electromagnetically operated valve, comprises a valve slide with a magnet armature, which is equipped to close a sealing seat in a fluid channel of the valve with a first axial end in a closed position, as well as a sealing element with folded bellows situated between the sealing seat and the first axial end of the valve slide and separates the valve slide from the fluid channel with a fluid-tight seal. The magnet armature is supported in the valve in an essentially non-contact manner due to the fact that the valve slide has a guide pin protruding in the axial direction from the magnetic armature on a second axial end opposite the first axial end, the guide pin being supported to slide in the axial direction; and the valve slide is aligned in the radial direction on a side of the magnet armature facing the first axial end of the valve slide and is supported so it is movable in the axial direction by means of at least one spring element.

Electromagnetically operated valve

Controllable solenoid valve in which, due to the interaction between a magnetic force caused by an electrical flow and a spring force acting against the magnetic force, at least one first sealing body in the interior of a valve housing is displaced in axial direction between two final positions whereby moving relative to its first sealing seat. The interior extends from one electromagnet to a connection. To enable, in a simple manner, a specific reproducible influencing of the sequence speed of cylinder controls in hydraulic drives and to prevent uncontrolled movements by these drives, the first sealing seat up to the first sealing body is provided with an axially extending cylindrical housing inside of which a slide is axially displaced according to the electrical flow. The cylindrical housing comprises radially oriented passages, whereby these passages are closed if the first sealing body is located in a final position in its first sealing seat or in the immediate vicinity of the first sealing seat, and the passages are opened if the first sealing body is located in the opposite final position.

Controllable solenoid valve

The invention relates to a directly controlled magnetic valve, comprising a fixed core which is located in a magnet and a moving armature to which a seal plate is fixed by means of a tappet. When the valve is activated, the seal plate interacts with a valve seat which is fixed to the housing. Corresponding sealing elements are provided on the seal plate and on the valve seat and at least the tappet and the seal plate have bores which are situated centrally in the longitudinal direction. The aim of the invention is to produce a magnetic valve which has a large nominal width allowing a small construction volume, a low power requirement, rapid pressure compensation and rapid switching. To this end, second sealing elements which correspond with each other are provided on a front face which is permanently connected to the armature and on an adjacent face which is fixed to the housing. Like the first sealing elements, these second sealing elements are situated at least approximately coaxially to the geometrical longitudinal axis. The second sealing elements delimit at least approximately the same pressure surface as the first sealing elements. The first and second sealing elements are effective at the same time.

Directly controlled magnetic valve

Foil electrical connector for an oil burner nozzle

Growing community of inventors

Gefrees, Germany

Werner Doehla