H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/216
H01H 33/66 (2006.01) H01H 1/02 (2006.01)
Patent
CA 1082268
VACUUM CIRCUIT BREAKER ABSTRACT OF THE DISCLOSURE A vacuum circuit breaker comprising an evacuated envelope and a pair of movable conductive rods within the envelope having points of contact equipped with con-tact members, wherein the conductive rods slide into and out of engaging contact, the improvement comprising at least one of said contacts having circuit making and breaking contact members formed of an alloy consisting essentially of 9.4 wt % to 15 wt % Al, 4.5 wt % to 20 wt % Ni, 0.1 wt % to 10 wt % of at least one metal (Me) selected from the group consisting of bismuth, tellurium, selenium, antimony and magnesium with copper as the balance of the alloy, wherein said alloy contains an .alpha. copper phase (Cu(.alpha.)) containing nickel and a .gamma. copper phase (Cu(.gamma.)) containing nickel substantially dispersed throughout said alloy.
279201
Chiba Seishi
Okutomi Tsutomu
Tejima Kouichi
Tsutsumi Tadahito
Yoshino Hisashi
Meredith & Finlayson
Tokyo Shibaura Electric Company Limited
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