Flexural cylinder projector

Details Flexural cylinder projector Flexural cylinder projector

2005-11-08

2008-11-18

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C367S163000

Reexamination Certificate

active

07453772

ABSTRACT:
An inverse flextensional projector exhibits a low frequency flexural mode and a higher frequency “breathing” mode to defeat stealthy targets and to conduct short and long range detection and tracking in littoral waters. The device has much broader bandwidth than conventional flextensional transducers, slotted cylinders and conventional cylinder transducers. The device has a low frequency capability similar to slotted cylinder projectors (SCP) but is broader band and does not suffer from the unsupported gap of SCP projectors. The invention has a more uniform radiation velocity than both SCP and flextensional transducers, making it much less susceptible to cavitation limitations.

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International Search Report dated Nov. 20, 2006 for related PCT Application No. PCT/US05/40435.

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