Fluid for Filling Sonar Transducers.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent relates to a transducer of acoustic energy through seawater which couples its active element to an acoustic window using polyalkylene glycol. The particular polyalkylene glycol selected exhibits improved acoustic, chemical, physical, and environmental properties. Two satisfactory liquids marketed under the trade designations UCON Transducer Fluid 28 and UCON Lubricant LB-135 have satisfactory properties for being the coupling medium.
- Acoustic Detection and Detectors