Mass retrieval for acoustic pulse generator

Details Mass retrieval for acoustic pulse generator Mass retrieval for acoustic pulse generator

1990-04-16

1992-10-13

Jordan, Charles T.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181114, 367189, G01V 104

Patent

active

051542544

ABSTRACT:
A method and an apparatus for mass retrieval for an acoustic pulse generator are disclosed herein. In an impulse type seismic generating apparatus an air spring, mechanical spring, controlled pressurization of an air spring or other energy storage medium is employed to use potential energy to raise the impact mass to a resting position above an earth contacting baseplate as quickly as possible after the impact mass strikes the baseplate.

REFERENCES:
patent: 3439773 (1969-04-01), Dart et al.
patent: 4284164 (1981-08-01), Airhart
patent: 4284165 (1981-08-01), Airhart et al.
patent: 4700804 (1987-10-01), Trudeau

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