Displacement amplified acoustic transmitter

Details Displacement amplified acoustic transmitter Displacement amplified acoustic transmitter

1993-05-05

1994-05-17

Moskowitz, Nelson

Acoustics

Geophysical or subsurface exploration

Well logging

181113, 367 83, 367912, 175 1, G01V 1143, G01V 140

Patent

active

053130251

ABSTRACT:
This disclosure is directed to a displacement amplifier for forming acoustic pulses and more particularly to one which incorporates a flexible movable lightweight diaphragm of rectangular configuration. It has upper and lower ends which are connected to opposing piston rods driven by duplicate pistons and double acting cylinders. The cylinders are located at opposite ends of the diaphragm or membrane. They are supported in an elongate tool which positions the flexible membrane in a generally rectangular window. This enables the membrane to flex as the pistons are driven, thereby enabling the flexure of the membrane to form dipole source for radially directed compression waves transmitted from the membrane in the window.

REFERENCES:
patent: 2699835 (1955-01-01), Ide
patent: 4700803 (1987-10-01), Mallett et al.
patent: 4722417 (1988-02-01), Selsam
patent: 5080189 (1992-01-01), Cole

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