发明授权
US07926344B1 Ultrasonic fluid level sensing using a dry couplant 有权
使用干式耦合剂进行超声波液位检测

Ultrasonic fluid level sensing using a dry couplant
摘要:
An ultrasonic, non-invasive, bottom-up fluid level sensor for a container, includes: an ultrasonic transducer; and a dry couplant in acoustic communication with the transducer. The dry couplant is configured to adapt to the bottom surface of the container and the sensor contains nothing to bias the sensor against the container other than the weight of the container and fluid.
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