Device for producing soundwaves in water

Details Device for producing soundwaves in water Device for producing soundwaves in water

1987-06-01

1989-05-30

Kyle, Deborah L.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367144, 181120, G01V 114

Patent

active

048357464

ABSTRACT:
An apparatus for producing acoustic waves in water through sudden ejection of liquid mass from a tubular main housing. A first shuttle and second shuttle are slidably mounted inside the main housing. The first shuttle forms with the main housing a slug chamber for confining therein a liquid slug. A pneumatic source together with a pneumatically-operated valve cyclically cause the shuttles to move relative to or in locked condition with each other, thereby applying during each cycle of operation an abrupt propulsion force to the confined liquid slug which becomes expelled as a very high-velocity liquid jet through ports in the housing. A calibrated control element for providing the proper pressures to the pneumatically-operated valve ensures proper movement of the shuttles.

REFERENCES:
patent: 4594697 (1986-06-01), Pascouet
patent: 4733382 (1988-03-01), Pascouet

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