Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1986-03-24
1987-09-22
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200270, H01H 3366
Patent
active
046956883
ABSTRACT:
An electrical contact assembly includes a contact, a contact support integrally connected to a first surface of the contact, and an insert disposed proximate a second, arc-supporting surface of the contact for stabilizing an electrical arc. In one embodiment of the invention the insert comprises an electrically insulating material inset in the arc-supporting surface and forming a metal-insulator boundary therewith. In another embodiment of the invention, the insert comprises a material having a relatively higher electrical resistivity than the contact, and disposed inside the contact so as to leave an integral metal current path from the arc supporting surface of the contact to the contact support, substantially through the center of the contact.
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Farrall George A.
Seymour Raymond K.
Davis Jr. James C.
General Electric Company
Macon Robert S.
Steinberg William H.
Webb II Paul R.
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