ELECTRIC ENERGY STORAGE DEVICE AND METHOD OF MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Nov 4, 2010
app pub date -
Jan 17, 2008
filing date -
Jan 17, 2008
priority date (Note) -
Abandoned
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Abstract
Provided is an electric energy storage device including: a terminal block for external connection (300) connected to an external electrode connection member such as an external resistor; a cylindrical can (200) for accommodating an electrode winding body (100); an electrolyte (61) impregnated in the electrode winding body (100); and an anti-vibration member (345) fixed to an outer periphery of a first projection of the terminal block (300) and resiliently pressed against an inner surface of one end of a winding core (12) inserted into a hollow part of the electrode winding body (100) to prevent movement of the electrode winding body (100) with respect to the terminal block (300). Therefore, the anti-vibration member is fixed to the first projection of the terminal block inserted into the winding core on which the electrode winding body is wound to make it possible to prevent generation of a gap between the electrode winding body and the terminal block due to external vibrations and increase in an internal pressure generated when the energy storage device is driven.
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