Charging and ignition system for gas exploders

Details Charging and ignition system for gas exploders Charging and ignition system for gas exploders

1976-12-16

1978-02-14

Birmiel, Howard A.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181107, 227 9, G01V 112

Patent

active

040733629

ABSTRACT:
Within a stationary, upstanding cylindrical housing, a piston and a base member resting on the ground are separated by an expansible detonation chamber. One or more gas inlets communicate with the chamber through which successive charges of a combustible gas mixture may be fed into the chamber at a rapid rate and thereafter ignited to initiate a corresponding series of gas explosions. Each gas inlet is connected to a main gas flow conduit which is supplied from at least two independent mixers through separate branching conduits. The mixers are supplied in rotation from sources of fuel gas and oxidizing gas so that only one branch conduit is in use at a time. Spark ignition occurs at each mixer in the same rotation. The branch conduits are connected to the main gas flow conduits in geometrical arrangements which prevent preignition even in long rapid fire shot sequences.

REFERENCES:
patent: 3055450 (1962-09-01), Richards
patent: 3338330 (1967-08-01), Chatenever
patent: 3545562 (1970-12-01), Gundlach
patent: 3620327 (1971-11-01), Savit
patent: 3860087 (1975-01-01), Silverman

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