Energy converter

Details Energy converter Energy converter

1992-07-24

1994-04-05

Look, Edward K.

Power plants

Pressure fluid source and motor

Shock or resonant wave type of energy transmission

91DIG1, F15B 2112

Patent

active

052994228

ABSTRACT:
An energy converter includes a resonator adapted for generating a sound wave in a medium, and a movable member disposed in a progressive direction of the sound wave generated by the resonator, and adapted for being driven by an acoustic radiation pressure resulting from the progression of the sound wave. Since the vibrational energy of the resonator is conveyed to the movable member as the acoustic radiation pressure by way of the medium, the present energy converter exhibits an excellent energy conversion efficiency. Namely, the loss is reduced during the conversion of the vibration of the resonator into the driving force for the movable member, and accordingly the present energy converter exhibits a high conversion efficiency. The present energy converter may further include a stator adapted for holding the stator thereto and disposing the liquid therein. If such is the case, the energy converter can be applied to liquid media.

REFERENCES:
patent: 2181120 (1939-11-01), Dake
patent: 2608623 (1952-08-01), Cutler et al.
patent: 2616984 (1952-11-01), Pare
patent: 3027876 (1962-04-01), Strick
patent: 3511050 (1970-05-01), Taberner
patent: 5145333 (1992-09-01), Smith
Holzer et al., "On the Theory of Acoustic Radiation Force and its Application in Ultrasonic Power Measurements", Institute of Biomedical Engineering, Technical University, Graz. Inffeldgasse 18, A-8010 Graz, Acustica, vol. 49, 1981, pp. 55-63.
K. Beissner, "On the Time-Average Acoustic Pressure", Acustica, vol. 57, Jan. 1985, pp. 1-4.

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