Hydroacoustic oscillator-amplifier

Claim 1

AN ACOUSTIC VIBRATION DEVICE COMPRISING A HOUSING HAVING FORMED THEREIN FLUID TRANSMISSION MEANS FOR ACCOMMODATING THE FLOW OF FLUID UNDER PRESSURE, SAID HOUSING FURTHER HAVING FORMED THEREIN A PORT STRUCTURE DISPOSED ALONG SAID TRANSMISSION MEANS, OSCILLATOR CHAMBER MEANS, A VALVE MOUNTED FOR MOVEMENT RELATIVE TO SAID PORT STRUCTURE AND HAVING AT LEAST A PORTION THEREOF EXPOSED TO SAID OSCILLATOR CHAMBER MEANS, SAID VALVE HAVING FIRST AND SECOND LAND MEANS, THE FIRST LAND MEANS OF SAID VALVE AND SAID PORT STRUCTURE COOPERATING TO FORM VARIABLE OSCILLATOR ORIFICE MEANS INTERCOUPLING SAID OSCILLATOR CHAMBER MEANS AND SAID FLUID TRANSMISSION MEANS FOR MODULATING IN SUSTAINED MANNER THE FLOW OF FLUID THROUGH SAID OSCILLATOR ORIFICE MEANS TO PRODUCE PRESSURE VARIATIONS WITHIN SAID OSCILLATOR CHAMBER MEANS, AND AMPLIFIER CHAMBER MEANS, SAID SECOND VALVE LAND MEANS COOPERATING WITH SAID PORT STRUCTURE TO FORM VARIABLE AMPLIFIER ORIFICE MEANS COMMUNICATING WITH SAID AMPLIFIER CHAMBER MEANS FOR CONTROLLING THE FLOW OF FLUID THROUGH SAID PORT STRUCTURE AND SAID AMPLIFIER CHAMBER MEANS IN ACCORDANCE WITH THE OSCILLATORY MOTION OF SAID VALVE TO CREATE PRESSURE VARIATIONS WITHIN SAID AMPLIFIER CHAMBER MEANS PRODUCTIVE OF ACOUSTIC ENERGY.