Marine seismic transducer

Details Marine seismic transducer Marine seismic transducer

1979-02-12

1980-07-08

Moskowitz, Nelson

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

367143, 92 39, G01V 138

Patent

active

042113016

ABSTRACT:
A method and apparatus for seismic prospecting which utilizes two transducer plates that are spaced apart, with two sets of bellows placed in between and sealingly attached thereto, to transmit electrically controlled hydraulic pressure signals onto the two plates. When pressure is applied within one set of bellows, the two plates are pushed apart. When pressure is applied within the second set of bellows, the two plates are pulled together. To accomplish this pulling action of the second set of bellows, two closure plates placed between the two transducer plates are used, one attached to one transducer plate and one attached to the other transducer plate. The first closure plate is attached to the first transducer plate in such a manner that it lies between the second transducer plate and the second closure plate. By applying pressure to the second set of bellows that push apart these two closure plates, the two transducer plates are pulled towards each other. By alternately applying hydraulic pressure within the two sets of bellows, reciprocation of the two transducer plates with respect to each other is achieved.

REFERENCES:
patent: 764572 (1904-07-01), Fulton
patent: 3384868 (1968-05-01), Brown et al.
patent: 3394775 (1968-07-01), Cole et al.
patent: 3401607 (1968-09-01), Wortman
patent: 4103280 (1978-07-01), Chalet et al.

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