发明名称 |
Protection of certain electrical systems by use of PTC device |
摘要 |
A PTC device is used to protect a power circuit from excessive heat and/or excessive current in an electrical system which comprises a separate control circuit as well as the power circuit. The PTC device is in one of said circuits and is thermally coupled to a resistive element in the other of said circuits. A preferred means for thermally coupling these two components is a metal strap which at least partially encircles the resistive element and extends over at least a portion of the surface of the PTC device.
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申请公布号 |
US4450496(A) |
申请公布日期 |
1984.05.22 |
申请号 |
US19810228347 |
申请日期 |
1981.01.26 |
申请人 |
RAYCHEM CORPORATION |
发明人 |
DOLJACK, FRANK A.;MIDDLEMAN, LEE M. |
分类号 |
H02H3/08;H02H5/04;(IPC1-7):H02H3/08;H02H3/06 |
主分类号 |
H02H3/08 |
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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