公开(公告)号：US4129761A

公开(公告)日：1978-12-12

申请号：US801218

申请日：1977-05-27

申请人： Tsutomu Okutomi ,  Hisashi Yoshino ,  Seishi Chiba ,  Tadahito Tsutsumi ,  Kouichi Tejima

发明人： Tsutomu Okutomi ,  Hisashi Yoshino ,  Seishi Chiba ,  Tadahito Tsutsumi ,  Kouichi Tejima

IPC分类号： H01H33/66 ,  H01H1/02

CPC分类号： H01H1/0203

摘要： A vacuum circuit breaker comprising an evacuated envelope and a pair of movable conductive rods within the envelope having points of contact equipped with contact 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.

摘要翻译： 一种真空断路器，包括抽真空的外壳和位于外壳内的一对可移动的导电棒，其具有接触构件的接触点，其中导电棒滑入和离开接合触点，该改进包括至少一个所述触点具有电路 制造和断开由基本上由9.4重量％至15重量％的Al，4.5重量％至20重量％的Ni，0.1重量％至10重量％的至少一种选自以下的金属（Me）组成的合金形成的接触构件： 铋，碲，硒，锑和镁与铜作为合金的余量，其中所述合金含有含镍的α铜相（Cu（α））和含有镍的γ铜相（Cu（γ）），其基本上分散 贯穿所有合金。