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1. 发明授权

US4486631A Contact for vacuum circuit breaker 失效
标题翻译：真空断路器的接点
公开(公告)号：US4486631A
公开(公告)日：1984-12-04
申请号：US452052
申请日：1982-12-22
申请人： Eizo Naya , Toshiaki Horiuchi , Yasushi Takeya , Kouichi Inagaki , Michinosuke Demizu , Mitsuhiro Okumura
发明人： Eizo Naya , Toshiaki Horiuchi , Yasushi Takeya , Kouichi Inagaki , Michinosuke Demizu , Mitsuhiro Okumura
IPC分类号： H01H33/66 , H01H1/02
CPC分类号： H01H1/0206
摘要： A contact for a vacuum circuit breaker is disclosed which contains copper as a first component and also at least two elements of the group of chromium, molybdenum, and tungsten as the other components. Each of these other components is contained in an amount not greater than 40% by weight.
摘要翻译：公开了一种用于真空断路器的接触件，其包含铜作为第一部件，并且还包括作为其它部件的铬，钼和钨组中的至少两个元件。这些其它成分中的每一种都不超过40重量％。

2. 发明授权

US4540861A Contact material for vacuum circuit interrupter 失效
标题翻译：真空断路器的触点材料
公开(公告)号：US4540861A
公开(公告)日：1985-09-10
申请号：US599359
申请日：1984-04-12
申请人： Mitsuhiro Okumura , Eizo Naya , Mitsumasa Yorita , Yasushi Takeya
发明人： Mitsuhiro Okumura , Eizo Naya , Mitsumasa Yorita , Yasushi Takeya
IPC分类号： H01H33/66 , C22C9/00 , H01H1/02
CPC分类号： C22C9/00 , H01H1/0203
摘要： A contact material for use in a vacuum circuit interrupter which simultaneously provides superior current interrupting performance and breakdown voltage. The contact material of the invention includes components of copper, tantalum and at least one of cobalt and iron. Cobalt or iron should be present in an amount of 50 wt % or less, while the combination of tantalum and cobalt or iron should be present in an amount of at least 10 wt %. A fourth component of at least one of titanium, zirconium and aluminum may be added. Also, there may be included a fifth component containing at least one of a low melting point metal, alloys of a low melting point metal, intermetallic compounds of a low melting point metal, and oxides thereof, with the low melting point metal being at least one of bismuth, tellurium, antimony, thallium, lead, selenium, cerium and calcium in an amount of not more than 20 wt %.
摘要翻译：用于真空断路器的接触材料，其同时提供优异的电流中断性能和击穿电压。本发明的接触材料包括铜，钽和钴和铁中的至少一种的组分。钴或铁应以50重量％以下的量存在，而钽和钴或铁的组合应以至少10重量％的量存在。可以添加钛，锆和铝中的至少一种的第四组分。此外，还可以包括含有低熔点金属，低熔点金属的合金，低熔点金属的金属间化合物及其氧化物中的至少一种的第五成分，低熔点金属为至少铋，碲，锑，铊，铅，硒，铈和钙中的一种不超过20重量％。

3. 发明授权

US4324960A Windmill-shaped electrode for vacuum circuit interrupter 失效
标题翻译：用于真空断路器的风车电极
公开(公告)号：US4324960A
公开(公告)日：1982-04-13
申请号：US68102
申请日：1979-08-20
申请人： Shin-Ichi Aoki , Yasushi Takeya
发明人： Shin-Ichi Aoki , Yasushi Takeya
IPC分类号： H01H33/66 , H01H33/664
CPC分类号： H01H33/6643
摘要： The disclosed windmill-shaped electrode comprises a central circular flat portion, a tapered portion connected to the central flat portion to encircle it and four circular arc-shaped slots extending radially and circumferential through the tapered portion and terminating at the flat portion. The flat portion has a radius not smaller than 0.4 time and not larger than 0.7 time a maximum radius of the electrode. Each slot describes a circular arc having a single radius not smaller than the radius of the flat portion.
摘要翻译：所公开的风车形电极包括中央圆形平坦部分，连接到中心平坦部分以环绕它的锥形部分和四个圆弧形槽，其通过锥形部分径向延伸并周向延伸并终止于平坦部分。平坦部的半径不小于电极的最大半径的0.4倍以上且0.7倍以下。每个槽描述具有不小于平坦部分的半径的单个半径的圆弧。

4. 发明授权

US4537743A Electrode composition for vacuum switch 失效
标题翻译：真空开关电极组成
公开(公告)号：US4537743A
公开(公告)日：1985-08-27
申请号：US624519
申请日：1984-06-25
申请人： Takashi Yamanaka , Yasushi Takeya , Mitsumasa Yorita , Toshiaki Horiuchi , Kouichi Inagaki , Eizo Naya , Michinosuke Demizu , Mitsuhiro Okumura
发明人： Takashi Yamanaka , Yasushi Takeya , Mitsumasa Yorita , Toshiaki Horiuchi , Kouichi Inagaki , Eizo Naya , Michinosuke Demizu , Mitsuhiro Okumura
IPC分类号： H01H33/66 , C22C9/00 , C22C9/06 , H01H1/02 , H01B1/02
CPC分类号： H01H1/0203 , Y10T29/49105 , Y10T29/49213 , Y10T29/53248
摘要： The disclosed electrode composition for a vacuum switch comprises copper, as a principal ingredient, a low melting point metal such as Bi, Pb, In, Li, Sn or any of their alloys, in a content not exceeding 20% by weight, a first additional metal such as Te, Sb, La, Mg or any of their alloys and a refractory metal such as Cr, Fe, Co, Ni, Ti, W or any of their alloys in a content less than 40% by weight.

5. 发明授权

US4499009A Electrode composition for vacuum switch 失效
标题翻译：真空开关电极组成
公开(公告)号：US4499009A
公开(公告)日：1985-02-12
申请号：US451324
申请日：1982-12-20
申请人： Takashi Yamanaka , Yasushi Takeya , Mitsumasa Yorita , Toshiaki Horiuchi , Kouichi Inagaki , Eizo Naya , Michinosuke Demizu , Mitsuhiro Okumura
发明人： Takashi Yamanaka , Yasushi Takeya , Mitsumasa Yorita , Toshiaki Horiuchi , Kouichi Inagaki , Eizo Naya , Michinosuke Demizu , Mitsuhiro Okumura
IPC分类号： H01H33/66 , C22C9/00 , C22C9/06 , H01H1/02 , H01B1/02
CPC分类号： H01H1/0203 , Y10T29/49105 , Y10T29/49213 , Y10T29/53248
摘要： The disclosed electrode composition for a vacuum switch comprises copper, as a principal ingredient, a low melting point metal such as Bi, Pb, In, Li, Sn or any of their alloys, in a content not exceeding 20% by weight, a first additional metal such as Te, Sb, La, Mg or any of their alloys and a refractory metal such as Cr, Fe, Co, Ni, Ti, W or any of their alloys in a content less than 40% by weight.
摘要翻译：所公开的真空开关用电极组合物包括作为主要成分的铜，低熔点金属如Bi，Pb，In，Li，Sn或其任何合金，其含量不超过20重量％，第一附加金属如Te，Sb，La，Mg或其任何合金，以及难熔金属如Cr，Fe，Co，Ni，Ti，W或其合金中的任何一种含量小于40％（重量）。

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