Device for picking up sound waves propagating in water

Details Device for picking up sound waves propagating in water Device for picking up sound waves propagating in water

1979-10-04

1996-09-10

Tudor, Harold J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

174 21R, 367153, 367171, 367172, 439194, 439201, H04B 100

Patent

active

055552218

ABSTRACT:
A chain of elongate components (10, 20) are connected end-to-end. Each component (e.g. 10) comprises a sheath (1) closed at its ends filled with a dielectric liquid (e.g. kerosene). Sound detectors are located in the liquid as are electric conductors for conveying signals therefrom. The ends are closed by means including an electric connector. At least one of a pair of mating end portions includes a valve (14, 24) which releases the dielectric liquid from inside the sheath into the interstices between the mated pair. A bleed screw can be used to ensure no air remains. This arrangement minimises pressure differentials around the join between two adjacent elongate components and facilitates use of the chain at great depths.

REFERENCES:
patent: 3441902 (1968-04-01), Savit
patent: 3845450 (1974-10-01), Cole
patent: 3893063 (1975-07-01), Park
patent: 3980369 (1976-09-01), Panek
patent: 4050765 (1977-09-01), Duesterhoeft et al.
patent: 4188084 (1980-02-01), Buresi
patent: 4204188 (1980-05-01), Weichart

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