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COMBINED SPEED AND DEPTH TRANSDUCER FOR MARINE APPLICATIONS
COMBINED SPEED AND DEPTH TRANSDUCER FOR MARINE APPLICATIONS
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机译:组合深度和速度传感器在海洋领域的应用
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摘要
A marine sensor device mounts in a single opening in a hull of a marine vessel. The sensor includes a housing secured in the opening. Positioned within the housing is a body containing at least two sensors. The body is removable from the housing. A magnetized paddlewheel can be disposed in a first cavity formed on a first half of the body, the paddlewheel has a plurality of paddles extending from a circular central hub and rotatably mounted on an axle extending transverse a fore and aft direction of travel of the vessel. A magnetic sensor can be located adjacent the paddles, the magnetic sensor senses the rotation of the paddles and provides speed indications. The magnetic sensor can be a Hall-effect device. A sonic transducer for depth detection can be disposed within a second cavity formed on a second half of the body. A thermal sensor for sensing water temperature can be disposed in a well formed in the body. The sonic transducer can be optimised to emit acoustic signals at 235 kHz.
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