Dual shuttle air gun

Details Dual shuttle air gun Dual shuttle air gun

1990-01-30

1991-03-19

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

181120, H04R 2300

Patent

active

050016792

ABSTRACT:
A dual shuttle air gun for generating maximum acoustic output for seismic testing having a housing with an air chamber formed therein and a chamber opening that opens 360 degrees around the periphery of the body is disclosed. The two shuttles are positioned around the housing axially displaced from each other, but close enough to allow the end faces of each shuttle to come into close proximity with each other. When the air gun is fired by the activation of a solenoid, compressed air flows into a firing chamber formed between the first shuttle and the housing causing the first shuttle to begin opening. When the first shuttle moves, the end faces of the two shuttles are exposed to the compressed air from the primary chamber. This causes the two shuttles to rapidly move away from each other providing for very quick release of the stored compressed air. When the solenoid is deactivated, the two shuttles are forced back into a prefire condition over the 360 degree opening.

REFERENCES:
patent: 4364446 (1982-12-01), Thomas et al.
patent: 4623033 (1986-11-01), Harrison, Jr.

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