Nass Magnet Gmbh

Franz Rieck

Ralf Hiddessen

Horst Grove

Carsten Fritz

Jan-Peter Obenbrugge

The invention relates to an electromagnetic valve having a passage therethrough and a closure member which is reciprocable between first and second positions in whoch the passage is openend and closed. An electromagnectic controllable actuator effects movement of the closure member against a spring force from the first position into the second position. The valve includes a retainer which retains the closure member in the second position. The retainer is formed by a piezoelectric bending element which locks the closure member positively in the second position.

Electromagnetic valve construction

A multiple-way valve having a housing forming a chamber with which two spaced apart fluid ports communicate. An actuator is accommodated in the chamber and has two spaced apart closures which are operable to open and close the ports. The actuator is biased to a position in which one port is closed and the other port is open but the actuator may be rocked in response to energization of an electromagnet to a position in which the one port is closed and the other port open. In moving from either position to the other the actuator rocks first about one fulcrum and then about a second fulcrum. The two fulcrums are so located as to facilitate initial movement of the actuator from either of its positions thereby minimizing the power required to be applied by the electromagnet.

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Munich, Georgia

Franz Rieck