Siemens Aktiengesellschaft

Siemens Milltronics Process Instruments, Inc.

Baljinder Singh

Gabriel Serban

Mihai-Gabriel Serban

Valentin Pantea

A horn antenna for a radar device including a dielectric filling body arranged in a hollow horn section of a metal body and a dielectric cover attached to the filling body and sealingly closing the open end of the metal body. The filling body includes a first conical portion that is fittingly received in the hollow horn section, and a second conical portion that is situated away from the open end and dimensioned to leave a gap between itself and the wall of the hollow horn section. The dielectric filling body has a third portion between the first and second portions, where the third portion and the opposite portion of the wall of the hollow horn section are provided with circumferential grooves arranged in pairs opposite each other to provide a wear and maintenance-free attachment of the dielectric filling body in the horn antenna.

Horn antenna for a radar device

A horn antenna suitable for use with a level measurement device and having a composite emitter structure. The emitter structure or assembly comprises an emitter and a plug. The emitter provides the process interface and is formed from a material having properties which include microwave transparency, chemical resistance and/or mechanical strength. The plug is isolated or partitioned from the process interface. The plug is formed from a material different from the emitter and exhibits the properties of microwave transparency and/or mechanical strength. According to another aspect, the level measurement device includes a coupling mechanism which allows the removal of the horn antenna independently of the emitter.

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Peterborough, Canada

Baljinder Singh