发明名称 |
Method for producing electrode material for vacuum circuit breaker, electrode material for vacuum circuit breaker and electrode for vacuum circuit breaker |
摘要 |
Provided are a method for producing an electrode material for a vacuum circuit breaker, whereby withstand voltage, high current interruption performance and capacitor switching performance can be improved; an electrode material for a vacuum circuit breaker; and an electrode for a vacuum circuit breaker. A contact material for an electrode for a vacuum circuit breaker has an integral structure consisting of a central member and a Cu—Cr outer peripheral member, the central member having been produced as described above and comprising 30 to 50 wt % of Cu of a particle diameter of 20 to 150 μm and 50 to 70 wt % of Mo—Cr of a particle diameter of 1 to 5 μm, while the outer peripheral member being formed of a material, which is highly compatible with the central member, shows excellent interruption performance and had high withstand voltage, and being provided outside the central member and fixed thereto. |
申请公布号 |
US9570245(B2) |
申请公布日期 |
2017.02.14 |
申请号 |
US201514659706 |
申请日期 |
2015.03.17 |
申请人 |
Meidensha Corporation |
发明人 |
Noda Yasushi;Sato Hiromasa |
分类号 |
H01H1/02;B22F3/26;C22C1/04;C22C9/00;C22C27/04;C22C30/02;H01B1/02;H01B13/00;H01H1/06;H01H33/664 |
主分类号 |
H01H1/02 |
代理机构 |
Crowell & Moring LLP |
代理人 |
Crowell & Moring LLP |
主权项 |
1. An electrode material for a vacuum circuit breaker, comprising:
a cup-shaped contact member fixed on an end face of a conductive rod; and a contact plate as an arcing portion, firmly fixed on an end face of said cup-shaped contact member, wherein the outer periphery of one end of said cup-shaped contact member has a plurality of slits that are slanted with respect to an axis forming an axial magnetic field type configuration, wherein said contact plate has an integrated one-body construction comprised of a central member and an outer peripheral member that is fixed firmly on the outer periphery of said central member, wherein said central member includes 30 to 50 wt % of Cu having a particle diameter of 20 to 150 μm and 50 to 70 wt % of Mo—Cr having a particle diameter of 1 to 5 μm and said outer peripheral member is a Cu—Cr material compatible with said central member. |
地址 |
Tokyo JP |