Detector for a meter prover
A detector for a meter prover. The detector includes a non-ferromagnetic barrel having a cylindrical bore formed longitudinally therethrough. A magnetic proximity switch is mounted in the bore near one end of the barrel. A ferromagnetic piston is disposed in the bore near the other end of the barrel...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A detector for a meter prover. The detector includes a non-ferromagnetic barrel having a cylindrical bore formed longitudinally therethrough. A magnetic proximity switch is mounted in the bore near one end of the barrel. A ferromagnetic piston is disposed in the bore near the other end of the barrel. A spring urges the piston away from the proximity switch. A pair of wipers surrounds the piston and forms a fluid tight seat between the bore and the piston. A passageway extends longitudinally through the length of the piston in order to permit fluid flow therethrough. |
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