Air supply valve for seismic air gun

Details Air supply valve for seismic air gun Air supply valve for seismic air gun

1987-11-24

1989-07-25

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

181120, 25112912, G01V 104

Patent

active

048520713

ABSTRACT:
A marine seismic array wherein each air gun in the array is provided with an air supply valve that can be closed remotely to inactivate a particular air gun and then reopened upon command to reactivate the gun without retrieving the array. The valve is comprised of a housing having a ball valve therein which is rotated between an open and closed position by a reversible, electric motor in the housing upon the flowing of current to the motor in either a first direction or in an opposite direction. Limit means are provided in the housing to stop the motor when the ball valve rotates to either a full open or a full closed position.

REFERENCES:
patent: 3680831 (1972-08-01), Fujiwara
patent: 4097786 (1978-06-01), Lund
patent: 4381044 (1983-04-01), Kirby
patent: 4525813 (1985-06-01), Burrage
patent: 4599712 (1986-07-01), Chelminski
patent: 4623033 (1986-11-01), Harrison
patent: 4757482 (1988-07-01), Fiske

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