Device to emit shock waves, with adjustable capacity

Details Device to emit shock waves, with adjustable capacity Device to emit shock waves, with adjustable capacity

1976-06-15

1978-01-17

Favors, Edward G.

Combustion

Combustion bursts or flare-ups in pulses or serial pattern

181117, 181118, F23C 302

Patent

active

040690040

ABSTRACT:
This invention concerns a device for emitting shock-waves, with adjustable capacity.
Such a device comprises a valve, a barrel with a seat for this valve, barrel and valve being on the same axis, and forming between them an annular combustion chamber, which can be placed in communication with the outside atmosphere by axial movement of the valve, and which comprises means of admitting the oxidant-fuel mixture, the said valve forming a differential piston, one side of which forms a mobile wall of a pressurized fluid chamber, and part of the other side of which forms a mobile wall of the combustion chamber. In this device a fixed wall of the combustion chamber contains at least two regularly spaced apertures at its perimeter, into which fit removable plugs, each of which comprises a cavity opening into the combustion chamber, and which comprise means of admitting fuel and oxidant, and ignition means. The device generates compression waves for seismic exploration.

REFERENCES:
patent: 3240254 (1966-03-01), Hughes
patent: 3333619 (1967-08-01), Denis
patent: 3473879 (1969-10-01), Berberich
patent: 3478838 (1969-11-01), Kilmer
patent: 3480102 (1969-11-01), Kilmer
patent: 3750837 (1973-08-01), Wood
patent: 3880568 (1975-04-01), Melton et al.
patent: 3954380 (1976-05-01), Valaev

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