Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1979-04-27
1993-11-23
Tudor, Harold J.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367153, 367165, H04R 1700
Patent
active
052650693
ABSTRACT:
An adhesion system utilizes a pair of liquid suction systems for adhering a lanket transducer array to the external hull of a vessel. Both liquid suction systems can be individually controlled. The first suction system produces a low liquid pressure under rigid saucer-like shells and causes these shells to press against the hull surface. The second suction system operates similar to the first and is located in the area surrounding the shells. In operation it is possible to enhance the adhering ability of the system by maintaining a lower pressure in the first system. This is feasible due to the rigidity of the material in the first system.
REFERENCES:
patent: 3492634 (1970-01-01), Massa
patent: 3907062 (1975-09-01), Brigham et al.
patent: 4140992 (1979-02-01), Wardle
patent: 4158189 (1979-06-01), Wardle
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
The United States of America as represented by the Secretary of
Tudor Harold J.
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