Potential Separation for Filling Level Radar
First Claim
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1. A filling level radar for determining a filling level in a tank, comprising:
- a first waveguide;
a second waveguide; and
a separation element positioned between the first waveguide and the second waveguide and adapted for galvanically insulating the first waveguide from the second waveguide,wherein the separation element includes a tubular section coaxially aligned with the first waveguide and the second waveguide.
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Abstract
For safety reasons the potential of an electrical supply line of a radar sensor should be separate from the potential of the filling level container. An arrangement for potential separation for a filling level radar is provided, which arrangement comprises a separation element for insulating the waveguide from the antenna. The separation element, corresponding to the cross section of the waveguide, is ring shaped. In this way rotatability between the sensor housing and the antenna subassembly is provided without influencing the signal line between the antenna and the waveguide.
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Citations
22 Claims
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1. A filling level radar for determining a filling level in a tank, comprising:
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a first waveguide; a second waveguide; and a separation element positioned between the first waveguide and the second waveguide and adapted for galvanically insulating the first waveguide from the second waveguide, wherein the separation element includes a tubular section coaxially aligned with the first waveguide and the second waveguide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An antenna for at least one of transmitting and receiving electromagnetic waves, comprising:
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a second waveguide; and a separation element connecting the second waveguide to an external first waveguide, the separation element galvanically insulating the second waveguide from the first waveguide, the separation element including a tubular section coaxially aligned with the first waveguide and the second waveguide. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification