发明名称 |
Ultrasonic transducer assembly for measuring liquid level |
摘要 |
A transducer assembly for an ultrasonic liquid level measuring device utilizing a piezoelectric crystal for generating ultrasonic pulses to be transmitted through a volume of liquid. The assembly includes an enclosure for the piezoelectric crystal assembly, that defines an interior space and a sealed opening for a cable. The enclosure is provided with a metallic layer that shields the entire interior space from electromagnetic interference. The assembly also includes a crystal housing assembly and a terminal block all located within the sealed enclosure.
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申请公布号 |
US5410518(A) |
申请公布日期 |
1995.04.25 |
申请号 |
US19930152997 |
申请日期 |
1993.11.12 |
申请人 |
SIMMONDS PRECISION PRODUCT, INC. |
发明人 |
BIRKETT, ROBERT E. |
分类号 |
G01F15/14;G01F23/296;H05K9/00;(IPC1-7):G01F23/28 |
主分类号 |
G01F15/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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