Other

Kobold Messring Gmbh

Manfred Wenzel

Peter Henrich

Jurgen Willner

Flow checking apparatus

A turbine for a flowmeter includes pulse-generating elements which are distributed at specified angular intervals adjacent to a front wall of a wheel hub for measuring speed. The pulse-generating elements are housed in a pot-like, plastic container having a bottom that forms the front wall. A circumferential wall of the container and the pulse-generating elements, on a side thereof opposite the front wall, are sprayed with a plastic material.

Turbine hub including pulse-generating elements sealing disposed within

A calorimetric flow indicator includes a sensor element which forms a temperature-dependent resistance and which heats up in a short period of time by application thereto of electrical current. A resistance variation of the sensor element, induced by cooling, represents a measure of flow velocity of a medium flowing by the sensor element. The sensor element rests against an inner surface of a front wall of a housing projecting into the flowing medium. That section of the housing that includes the front wall and projects into the flowing medium has the shape of an obtusely truncated cone.

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Hofheim, Germany

Manfred Wenzel