Buerkert Werke Gmbh & Co. Kg

Buerkert Werke Gmbh

Holger Schwab

Ralf Scheibe

Florian Fischer

Christian Hartmann

Johannes Baumann

Christina Ripsam

Simone Knauss

Rainer Kuenzler

Markus Klaiber

Sebastian Hettinger

Daniel Schmidt

A method of diagnosing a valve is described, which has an electrodynamic actuator, which includes a coil, a movable magnet arrangement for generating a magnetic field, and a movable control element which is coupled to the movably arranged magnet arrangement. At least one electrical variable of the electrodynamic actuator is measured. The electrical variable is evaluated with respect to a reference variable to determine at least one induction-dependent valve variable which is assigned to the motion profile of the electrodynamic actuator. A diagnosis module and a valve are furthermore described.

Method of diagnosing a valve, diagnosis module, and valve

A solenoid valve has a housing, including a fluid chamber and a drive chamber, a diaphragm, which separates the fluid chamber from the drive chamber, an actuator and a setting element, which is mounted in the housing for pivoting movement about an axis of rotation by means of the actuator between a first position, in which a valve seat of the solenoid valve is closed, and a second position, in which the valve seat is open. The diaphragm has a fastening portion which is clamped between two housing parts and by means of which the diaphragm is fastened to the housing. The diaphragm is formed from a thermoplastic and the axis of rotation runs through the fastening portion.

Solenoid valve

A valve having a valve body to which an actuator can be fastened is specified, the valve body including at least a first and a second housing part made of plastic, a first fluid duct being formed in the first housing part and a second fluid duct being formed in the second housing part, and at least one of the two fluid ducts opening out at a valve seat, and at least one elongated, rectilinear stiffening element being inserted in sections both into the first housing part and into the second housing part, and the at least one stiffening element being at least approximately perpendicular to a plane in which the at least one valve seat extends.

Valve having a valve body

A valve with an electrodynamic actuator includes a magnet device that generates a magnetic field and a drive element that is movable relative to the magnet device. The drive element is pivotally mounted and comprises a current-carrying air coil that is arranged in the magnetic field and is fixedly coupled to a coil carrier made of a non-magnetic material. Sealing surfaces for sealing valve seats are arranged on two opposite sides of the drive element, such that the sealing surfaces face in opposite directions. A housing is comprised of a plurality of plastic housing parts and a metallic encasement. The metallic encasement surrounds an upper area of the housing in which the electrodynamic actuator is arranged and at least partially surrounds a lower area of the housing in which fluid channels are arranged.

Valve with electrodynamic actuator

A membrane valve comprising a first and a second valve housing part and a membrane clamped between the valve housing parts comprises a peripherally surrounding bead on the membrane and a thin, axially movable membrane portion adjacent thereto. The bead is supported by the two valve housing parts and is provided with an undercut at a radial inner side. Further, a membrane for installation in a membrane valve is provided.

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Ingelfingen, Germany

Holger Schwab