Acoustic fluid machine

Details Acoustic fluid machine Acoustic fluid machine

2006-10-31

2006-10-31

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

Reexamination Certificate

active

07130246

ABSTRACT:
An acoustic fluid machine has an acoustic resonator and a piston reciprocated by an actuator at the base of the acoustic resonator. A valve device is provided on the upper end of the acoustic resonator. External air is introduced into the acoustic resonator through the valve device. The piston has through-holes, through which front space communicates with rear space thereby reducing load applied onto the piston.

REFERENCES:
patent: 3605555 (1971-09-01), Wise

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