Accoustic propulsion system

Details Accoustic propulsion system Accoustic propulsion system

1977-05-27

1979-01-02

Garrett, Robert E.

Power plants

Reaction motor

Method of operation

F02K 1100

Patent

active

041320670

ABSTRACT:
The system comprises exerting thrust on an object within a particulate medium, such as air, by creating an oscillatory field, such as sound waves, in the medium and by mounting on the object a control apparatus for controlling the movement of the particulate medium. The control apparatus comprises a barrier including gated openings and utilizes the control apparatus to allow particles of the medium to pass through the barrier when moving in one direction under the influence of the oscillatory field, but prevents the particles from passing back through the barrier when moving in the opposite direction of oscillation under the influence of the field. A net force is thereby imparted to the object.

REFERENCES:
patent: 4035582 (1977-07-01), Okamoto

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