Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Reexamination Certificate
2005-09-15
2010-02-09
Gandhi, Jayprakash N (Department: 2835)
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
C337S186000, C337S234000, C337S190000, C337S227000, C337S276000, C337S158000
Reexamination Certificate
active
07659804
ABSTRACT:
A fuse for a high voltage/high current application, such as a hydro-electric vehicle (“HEV”) application is provided. The fuse employs a variety of arc quenching features to handle a large amount of arcing energy that is generated when such fuse is opened due to a fuse opening event. In one embodiment, an insulative substrate, such as a melamine substrate, is metallized with a fuse element. The fuse element extends to multiple surfaces of the substrate. A fuse opening portion of the element is located so that the arcing energy is forced to travel along multiple insulative planes, increasing an impedance across the opening of the element and decreasing the likelihood of a sustained arc. Also, the substrate and element are disposed in a sealed housing, which is packed in one embodiment with an arc quenching material, such as sand.
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Adamczyk John
Brown William P.
Fischer Douglas
Harris Edwin J.
Ribordy Jeffrey J.
Duane Morris
Gandhi Jayprakash N
Littelfuse Inc.
Thomas Bradley H
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