发明名称 |
Electrical heating resistance element |
摘要 |
An electrical resistance heating element having a glow zone and two power supply terminals. The glow zone of the element is tubular. A tubular union is provided between each of the power supply terminals and a respective end of the glow zone, wherein the inner diameter of the union is smaller than the inner diameter of the glow zone. A transition region extends between each union and a respective glow zone end and has a progressively decreasing wall thickness in the direction from the union toward the glow zone.
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申请公布号 |
US7164103(B2) |
申请公布日期 |
2007.01.16 |
申请号 |
US20050510143 |
申请日期 |
2005.04.19 |
申请人 |
SANDVIK INTELLECTUAL PROPERTY AKTIEBOLAG |
发明人 |
ANDERSSON JAN;ERIKSSON EMIL;SAHLSTROEM JOERGEN |
分类号 |
H05B3/10;H05B3/48;F23Q7/22;H01C3/08;H05B3/02;H05B3/08;H05B3/64 |
主分类号 |
H05B3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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