Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1988-06-29
1989-11-14
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
2003022, H01H 3366
Patent
active
048809470
ABSTRACT:
An electrical vacuum interrupter comprising a pair of separable contacts enclosed within a vacuum enclosure whose walls have joints formed of a polymeric material which can maintain sufficient vacuum, mechanical, thermal, and electrical properties to permit proper operation. Major part of the vacuum enclosure, in addition to the joint, may be formed of a polymeric material. A method of assembly is provided that avoids need for high temperatures and includes use of electrical discharge between the contacts for cleaning the interior of the vacuum enclosure.
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Preliminary Technical Bulletin 3-2-13, Eccobond 104, Emerson & Cuming, Inc., Canton, MA (Revised 3-1-68).
Fey Maurice G.
Freidhoff Carl B.
Lange William J.
Slade Paul G.
Macon Robert S.
Telfer G. H.
Westinghouse Electric Corp.
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