Liquid filled thermoacoustic device
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsNathanael K Mayo, John B Blottman
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Abstract
A thermoacoustic device is provided with a housing having at least one open face. An active element is supported within the housing, and at least two electrodes are provided in electrical contact with the active element. A membrane is provided to cover each open face of the housing. The housing and membrane assembly is filled with a liquid. A signal lead is joined to the electrodes within the housing to communicate with the exterior of the housing. The active element can be made from a carbon nanotube sheet, and a gas can be provided in contact with the active element.
Claims20
A thermoacoustic device comprising:
- a housing having at least one open face;
- an active element supported within said housing;
- at least two electrodes in electrical contact with said active element;
- at least, one membrane joined to said housing open face and defining a housing volume in combination with said housing;
- a liquid positioned in said housing volume;
- and
- a signal lead joined between said at least two electrodes in the housing volume and an exterior of said housing and said at least one membrane.
Dependencies are inferred from the claim text.