Systems and methods for sensing engagement in hazardous rated environments
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United States of America Patent
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Dec 26, 2023
Grant Date -
N/A
app pub date -
Apr 9, 2021
filing date -
May 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A riser sensor unit is used to sense engagement of a subsea riser tool with a riser coupling. The riser sensor unit includes a power supply configured to convert alternating current to direct current, an intrinsic safety barrier connected to the power supply, and a first sensor powered by the intrinsic safety barrier. The first sensor is attached to a sub of the subsea riser tool and is configured to generate a first signal upon detecting contact of a bottom surface of the sub with the riser coupling. The intrinsic safety barrier is configured to receive the first signal from the first sensor and transmit the first signal to a control system located remotely from the intrinsic safety barrier.
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