ELECTROMAGNETIC ULTRASONIC DOUBLE-WAVE TRANSDUCER
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Feb 24, 2024
filing date -
Feb 24, 2024
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Abstract
An electromagnetic ultrasonic double-wave transducer includes a shell (1), and a permanent magnet assembly, a coil (4), a shielding layer (5), and a wire (6) which are provided in said shell (1); said coil (4) is fixed on the bottom of said shell (1) and is located below said permanent magnet assembly; said shielding layer (5) is arranged between said permanent magnet assembly and said coil (4); one end of said wire (6) is connected to said coil (4) while the other end thereof is connected to the power supply and signal plug (7); said permanent magnet assembly includes a third permanent magnet (12) and a fourth permanent magnet (13); the upper end faces of said third permanent magnet (12) and said fourth permanent magnet (13) realize magnetic circuit closing by means of a magnetic circuit closing element (8).
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