Pyrotechnically operated electrical contactor
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United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Dec 6, 1999
filing date -
Dec 30, 1998
priority date (Note) -
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Abstract
The present invention relates to electrical contactors used in electric motors comprising batteries. The present invention relates more specifically to an electrical contactor (1) for a battery, consisting of a hollow body (2) defining an upstream part (11) in which a pyrotechnic initiation device (3) is located and a downstream part in which a piston (4) is housed. Since the downstream part has three conducting studs (5, 6, 7), the main characteristic of the contactor (1) according to the invention is that it makes it possible, when the piston (4) moves due to the effect of the combustion gases, to pass instantaneously from a position corresponding to the electrical connection of the first two studs (5, 6) to a position corresponding to the electrical connection of the second stud (6) to the third stud (7).
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