Sonic transducer
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United States of America Patent
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Aug 16, 1988
Issued Date -
N/A
app pub date -
Dec 29, 1986
filing date -
Feb 7, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved transducer for transmitting and receiving sonic energy, the transducer having a housing with a cylindrical opening, an acoustic end member closing one end of the opening, and providing an acoustic window, a crystal element having one planar surface in engagement with the acoustic end member rearward face, a thrust producing compression screw threadably received in the cylindrical opening, and a spring between the compression screw and crystal element to maintain a substantially steady force of the crystal element against the acoustic end member rearward face. In one embodiment particularly adapting the transducer for sanitary environments the end member includes an integrally formed reflector portion with provision for fluid to flow freely between the sonic window portion and the reflector portion.
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