Metal-air cell having a piezoelectric air-supply pump
First Claim
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1. A metal-air cell for supplying electric power, comprising:
- an electricity generating means for generating electric power upon the presence of air;
an electricity supplying means for supplying the generated electric power externally of the metal-air cell;
an air supply means for supplying air to the electricity generating means;
a control means for controlling operations of the metal-air cell; and
a cell casing for housing at least the electricity generating means, the electricity supplying means and the air supply means, wherein the air supply means comprises a piezo-electric air pump.
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Abstract
The present invention relates to a metal-air cell having a piezo-electric pump. The piezo-electric pump has a characteristic of moderate change of air flow speed relative to the pressure. Accordingly, the air supply speed can be controlled easily. This characteristic enables small and simple construction of the metal-air cell with the maximum electrical energy being obtained from the cell.
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Citations
23 Claims
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1. A metal-air cell for supplying electric power, comprising:
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an electricity generating means for generating electric power upon the presence of air; an electricity supplying means for supplying the generated electric power externally of the metal-air cell; an air supply means for supplying air to the electricity generating means; a control means for controlling operations of the metal-air cell; and a cell casing for housing at least the electricity generating means, the electricity supplying means and the air supply means, wherein the air supply means comprises a piezo-electric air pump. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A metal-air cell, comprising:
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electricity generating means for generating electric power upon the presence of fresh air; air supply means for controllably supplying fresh air to the electricity generating means; and a cell casing for housing the electricity generating means and the air supply means; wherein the air supply means comprises a piezo-electric pump. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification