Load responsive air door for an electrochemical cell
First Claim
Patent Images
1. An electrochemical cell comprising;
- an air electrode;
an air plenum;
a cell casing;
a diaphragm positioned adjacent to said cell casing, said diaphragm comprising an air aperture positioned therein, such that when a load is applied to said electrochemical cell, a partial vacuum builds within said air plenum, and said partial vacuum causes said diaphragm to expand and air to pass through said air aperture so that said partial vacuum dissipates.
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Abstract
A metal-air cell having a cell casing, an air electrode positioned within the cell casing, and means for providing air to the air electrode when a predetermined load is placed on the cell and for substantially isolating the air electrode when the load is not placed on the cell.
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Citations
32 Claims
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1. An electrochemical cell comprising;
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an air electrode;
an air plenum;
a cell casing;
a diaphragm positioned adjacent to said cell casing, said diaphragm comprising an air aperture positioned therein, such that when a load is applied to said electrochemical cell, a partial vacuum builds within said air plenum, and said partial vacuum causes said diaphragm to expand and air to pass through said air aperture so that said partial vacuum dissipates. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electrochemical cell, comprising:
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a cell casing;
an air electrode positioned within said cell casing;
said cell casing comprising a disk positioned adjacent to said air electrode, wherein said disk comprises an air aperture therein, and wherein said air aperture comprises one or more air apertures;
a negative terminal in communication with a metallic zinc anode and a positive terminal, in communication with said air electrode; and
load responsive means for providing air to said air electrode in response to a predetermined load being placed on said electrochemical cell and for substantially isolating said air electrode in response to said load not being placed on said electrochemical cell, wherein said load responsive means comprises an air door positioned on said disk and adjacent to said air aperture. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. An electrochemical cell, comprising:
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a cell casing;
an air electrode positioned within said cell casing;
an air plenum positioned adjacent to said air electrode; and
load responsive means for providing air to said air electrode in response to a predetermined load being placed on said electrochemical cell and for substantially isolating said air electrode in response to said load not being placed on said electrochemical cell, wherein said load responsive means comprises a diaphragm, and wherein said diaphragm comprises an air aperture therein such that when a load is applied to said electrochemical cell, a partial vacuum builds within said air plenum, and said partial vacuum causes said diaphragm to expand and air to pass through said air aperture until said partial vacuum dissipates. - View Dependent Claims (27, 28, 29)
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30. An electrochemical cell, comprising:
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a cell casing;
an air electrode positioned within said cell casing;
an air plenum positioned adjacent to said air electrode; and
load responsive means for providing air to said air electrode in response to a predetermined load being placed on said electrochemical cell and for substantially isolating said air electrode in response to said load not being placed on said electrochemical cell, wherein said load responsive means comprises a diaphragm, wherein said diaphragm comprises a central aperture, and wherein said central aperture comprises a disk substantially covering said central aperture. - View Dependent Claims (31, 32)
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Specification