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1.发明授权公开(公告)号：US06303076B1
公开(公告)日：2001-10-16
申请号：US09379362
申请日：1999-08-23
IPC分类号： B22F326
CPC分类号： H01H1/0203
摘要： A contact material for forming a contact included in a vacuum interrupter comprises 50 to 70% by weight of a conductive material containing Cu as a principal component, an arc-proof material containing at least either TiC or VC and having a mean particle diameter of 8 &mgr;m or below, and 0.2 to 2.0% by weight of Cr on the basis of the sum of the respective amounts of Cr and Cu or 0.2 to 2/0% by weight of Zr on the basis of the sum of the respective amounts of Zr and Cu. The contact material has a hydrogen content in the range of 0.2 to 50 ppm.
摘要翻译： 用于形成包含在真空断路器中的接点的接触材料包含50至70重量％的以Cu为主要成分的导电材料，至少含有TiC或VC并具有平均粒径为8的电弧材料 以0.2〜2.0重量％的Cr和0.2〜2/0重量％的Zr为基准，基于Zr和Zr的相对量的总和，以Cr 和铜。 接触材料的氢含量范围为0.2〜50ppm。
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公开(公告)号：US6107582A
公开(公告)日：2000-08-22
申请号：US145337
申请日：1998-09-01
申请人： Tsutomu Okutomi , Mitsutaka Homma , Tsuneyo Seki , Atsushi Yamamoto , Takashi Kusano , Hiromichi Somei
发明人： Tsutomu Okutomi , Mitsutaka Homma , Tsuneyo Seki , Atsushi Yamamoto , Takashi Kusano , Hiromichi Somei
IPC分类号： B22F3/00 , C22C1/04 , C22C5/06 , C22C9/00 , H01H1/02 , H01H1/023 , H01H1/025 , H01K1/02 , H01H33/66
CPC分类号： H01H1/0206
摘要： A vacuum valve which has a contact material having a constituent of high electrical conductivity such as Cu and an anti-arcing constituent including Cr in which particles whose particle size is in the range 0.1.about.150 .mu.m represent at least 90 volume %, and a ratio defined by the formula (.alpha..sub.900 -.alpha..sub.50).times.100/(.alpha..sub.900) for this contact material has a value of 8-12% and is the coefficient of thermal expansion of the contact material .alpha..sub.50 is the coefficient of thermal expansion of the contact material at 50.degree. C. The formation of channels generated at the interfaces of the Cr particles and the Cu matrix after undergoing the brazing step is suppressed, enabling the static withstand-voltage, contact resistance, and the breaking performance characteristics of the vacuum valve to be stabilized.
摘要翻译： 一种真空阀，其具有诸如Cu的高导电性组成的接触材料和包括Cr的抗弧形成分，其中颗粒尺寸在0.1μm至150μm的范围内的颗粒表示至少90体积％，并且 由该接触材料的公式（α-900-α50）×100 /（α900）定义的比例为8-12％的值，并且是接触材料的热膨胀系数α50是热膨胀系数 50℃下的接触材料。抑制了在经历钎焊步骤之后在Cr颗粒和Cu基体的界面处产生的通道的形成，使得静电耐受电压，接触电阻和真空的断裂性能特性 阀门要稳定。
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公开(公告)号：US5698008A
公开(公告)日：1997-12-16
申请号：US391224
申请日：1995-02-21
CPC分类号： C22C1/0425 , B22F3/26 , H01H1/0206
摘要： A contact material for a vacuum valve including, a conductive constituent including at least copper, an arc-proof constituent including at least chromium and an auxiliary constituent including at least one selected from the group consisting of tungsten, molybdenum, tantalum and niobium. The contact material is manufactured by quench solidification of a composite body of the conductive constituent, the arc-proof constituent and the auxiliary constituent.
摘要翻译： 一种用于真空阀的接触材料，包括至少包含铜的导电组分，至少包含铬的防弧构件和包括选自钨，钼，钽和铌中的至少一种的辅助成分。 接触材料通过导电成分，防弧成分和辅助成分的复合体的淬火固化而制造。
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公开(公告)号：US06210809B1
公开(公告)日：2001-04-03
申请号：US09223813
申请日：1998-12-31
申请人： Tsutomu Okutomi , Atsushi Yamamoto , Iwao Ohshima , Tsuneyo Seki , Mitsutaka Homma , Takashi Kusano
发明人： Tsutomu Okutomi , Atsushi Yamamoto , Iwao Ohshima , Tsuneyo Seki , Mitsutaka Homma , Takashi Kusano
IPC分类号： C22C2900
CPC分类号： H01H1/0203 , Y10S428/926 , Y10S428/929 , Y10T428/12014 , Y10T428/1216 , Y10T428/12167 , Y10T428/12458 , Y10T428/12903 , Y10T428/12993
摘要： The contact material of the present invention comprises: an anti-arcing constituent consisting of at least one TiC, V and VC of which the content is 30˜70 volume % and whose mean particle (grain) size is 0.1˜9 &mgr;m; C whose content is 0.005˜0.5 weight % with respect to the anti-arcing constituent, whose diameter is 0.01˜5 &mgr;m when its shape is calculated as spherical, and which is in non-solid solution condition or condition in which it does not form a chemical compound; and a conductive constituent consisting of Cu and constituting the balance.
摘要翻译： 本发明的接触材料包括：由至少一种TiC，V和VC组成的抗弧形成分，其含量为30〜70体积％，其平均粒子（粒度）为0.1〜9μm; C的含量相对于防弧成分为0.005〜0.5重量％，当其形状计算为球形时，其直径为0.01〜5μm，处于非固溶状态或不形成的状态 化合物 和由Cu构成并构成余量的导电成分。
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公开(公告)号：US5882448A
公开(公告)日：1999-03-16
申请号：US909875
申请日：1997-08-12
CPC分类号： C22C1/0425 , B22F3/26 , H01H1/0206
摘要： A contact material for a vacuum valve including, a conductive constituent including at least copper, an arc-proof constituent including at least chromium and an auxiliary constituent including at least one selected from the group consisting of tungsten, molybdenum, tantalum and niobium. The contact material is manufactured by quench solidification of a composite body of the conductive constituent, the arc-proof constituent and the anxiliary constituent.
摘要翻译： 一种用于真空阀的接触材料，包括至少包含铜的导电组分，至少包含铬的防弧构件和包括选自钨，钼，钽和铌中的至少一种的辅助成分。 接触材料通过导电成分的复合体的淬火固化，防弧成分和辅助成分制造。
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6.发明授权
公开(公告)号：US6027821A
公开(公告)日：2000-02-22
申请号：US762800
申请日：1996-12-09
IPC分类号： B22F1/00 , C22C1/05 , C22C29/06 , H01H1/02 , H01H1/0233 , H01H1/025 , H01H11/04 , H01H33/66 , B22F3/00 , B22F3/26
CPC分类号： B22F1/0096 , C22C29/067 , H01H1/0203 , B22F2998/00 , H01H1/0233 , Y10S428/929 , Y10T428/12014 , Y10T428/1216 , Y10T428/12167 , Y10T428/12174
摘要： A contact material for a vacuum interrupter including, a conductive component including at least Cu, and an arc-proof component including at least one selected from the group consisting of carbides of W, Zr, Hf, V and Ti. An amount of the conductive component in the contact material is 40-50 vol %, an amount of the arc-proof component in the contact material is 50-60 vol %, and a grain size of the arc-proof component is 3 .mu.m or less. A total amount of a sintering activator including at least one selected from the group consisting of Co, Fe and Ni melted in the conductive component is 0.1% or less of the amount of the conductive component.
摘要翻译： 一种用于真空断续器的接触材料，包括至少包括Cu的导电组分和包含选自W，Zr，Hf，V和Ti的碳化物中的至少一种的防弧组分。 接触材料中的导电成分的量为40〜50体积％，接触材料中的电弧成分的量为50〜60体积％，耐电弧成分的粒径为3μm 或更少。 在导电组分中熔融的包括选自Co，Fe和Ni中的至少一种的烧结活化剂的总量为导电组分的量的0.1％以下。
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公开(公告)号：US5972068A
公开(公告)日：1999-10-26
申请号：US035998
申请日：1998-03-06
CPC分类号： H01H1/0203 , B22F1/0003 , H01H1/0206
摘要： The vacuum valve contact material of the present invention is manufactured by a step of mixing an anti-arc constituent powder and a conductive constituent powder, a step of forming, and a step of sintering the formed body below the melting point of the conductive constituent, and has improved arc interruption performance.
摘要翻译： 本发明的真空阀接触材料是通过将抗弧构成粉末和导电性构成粉末混合的步骤，成形步骤和将成形体烧结在导电性成分的熔点以下的工序来制造的， 并具有改善的电弧中断性能。
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公开(公告)号：US5294761A
公开(公告)日：1994-03-15
申请号：US979280
申请日：1992-11-20
申请人： Tsutomu Okutomi , Tsuneyo Seki , Hideo Suzuki , Shinzo Sugai , Kazuya Tujimoto , Hiroshi Watanabe , Kiyoshi Osabe , Atsushi Yamamoto , Hiroshi Yamazoe
发明人： Tsutomu Okutomi , Tsuneyo Seki , Hideo Suzuki , Shinzo Sugai , Kazuya Tujimoto , Hiroshi Watanabe , Kiyoshi Osabe , Atsushi Yamamoto , Hiroshi Yamazoe
IPC分类号： C22C9/06 , H01H33/66 , H01H33/662 , H01H33/53 , H01H33/00
CPC分类号： H01H33/66207 , H01H2033/66223
摘要： A vacuum interrupter comprises a vacuum container which includes an insulation tube made of ceramics and having openings at both ends thereof, and sealing metals for hermetically sealing the openings respectively. In the vacuum container, a pair of contacts are disposed so that these contacts can detachably contact to each other. The composition of the material constituting at least one of the sealing metals comprises 25 to 55 wt % of Ni, 0.02 to 1.0 wt % of Si and substantially the residual amount of Cu. Preferably, the composition further comprises 0.02 to 1.5 wt % in total of Si and Mn and/or 5.0 wt % or less in total of Fe and Co.
摘要翻译： 真空灭弧室包括真空容器，该真空容器包括由陶瓷制成的绝热管，其两端具有开口，并分别密封用于气密密封开口的金属。 在真空容器中，设置一对触点，使得这些触点可以彼此可拆卸地接触。 构成至少一种密封金属的材料的组成包含25至55重量％的Ni，0.02至1.0重量％的Si和基本上残留的Cu。 优选地，组合物还含有总共为0.02〜1.5重量％的Si和Mn，和/或总计为Fe和Co的5.0重量％以下。
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公开(公告)号：US5149362A
公开(公告)日：1992-09-22
申请号：US386264
申请日：1989-07-28
申请人： Tsutomu Okutomi , Atsushi Yamamoto , Seishi Chiba , Tsuneyo Seki , Mikio Okawa , Mitsutaka Honma , Kiyofumi Otobe , Yoshinari Satoh , Tadaaki Sekiguchi
发明人： Tsutomu Okutomi , Atsushi Yamamoto , Seishi Chiba , Tsuneyo Seki , Mikio Okawa , Mitsutaka Honma , Kiyofumi Otobe , Yoshinari Satoh , Tadaaki Sekiguchi
IPC分类号： H01H33/66 , H01H1/02 , H01H1/0233
CPC分类号： H01H1/0203 , H01H1/0233 , Y10T428/12049
摘要： An Ag-Cu-WC contact forming material for a vacuum interrupter comprising a highly conductive component comprising Ag and Cu and an arc-proof component comprising WC wherein the content of the highly conductive component is such that the total amount of Ag and Cu(Ag+Cu) is from 25% to 65% by weight and the percentage of Ag based on the total amount of Ag and Cu[Ag/(Ag+Cu)] is from 40% to 80% by weight; wherein the content of the arc-proof component is from 35% to 75% by weight; wherein the structure of the highly conductive component comprises a matrix and a discontinuous phase, the discontinuous phase having a thickness or width of no more than 5 micrometers and wherein said arc-proof component comprises a discontinuous grain having a grain size of no more than 1 micrometer.
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公开(公告)号：US5420384A
公开(公告)日：1995-05-30
申请号：US214016
申请日：1994-03-15
IPC分类号： H01H33/66 , H01H1/02 , H01H1/0233 , H01H33/00
CPC分类号： H01H1/0203 , H01H1/0233 , H01H33/664
摘要： A contact material for a vacuum interrupter includes: (a) from 25 to 70% by volume of a highly conductive component selected from the group consisting of Ag, Cu and combinations thereof, and (b) from 30 to 75% by volume of an arc-proof component comprising a carbide of an element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and combinations thereof, wherein the average grain size of the said arc-proof component is from 0.3 to 3 micrometers and the average grain distance of the arc-proof component is within the range of 0.1 to 1 micrometer. Contacts for a vacuum interrupter obtained from the contact material have improved wear resistance, large current interruption characteristic, wear resistance, and chopping characteristic, and low temperature rise characteristic.
摘要翻译： 用于真空断路器的接触材料包括：（a）25至70体积％的选自Ag，Cu及其组合的高导电组分，和（b）30至75体积％的 所述防弧成分包括选自Ti，Zr，Hf，V，Nb，Ta，Cr，Mo，W的元素的碳化物及其组合，其中所述防弧成分的平均粒径为 0.3〜3微米，防弧成分的平均晶粒距离在0.1〜1微米的范围内。 从接触材料获得的真空断路器触点具有改善的耐磨性，大电流中断特性，耐磨性和斩波特性，以及低温特性。
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