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SEPARABLE MAGNETIC SHIELD DEVICE
专利权人:
发明人:
申请号:
EP07860611.8
公开号:
EP2099277B1
申请日:
2007.12.27
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
It is an object of the present invention to provide a separate type magnetic shield apparatus which has high access performance to a magnetically shielded space, in which magnetic shielding is very effectively achieved. In the separate type magnetic shield apparatus, first and second conductors 10a and 10b extending in the longitudinal axial line direction are provided on a curved magnetic shield outer side wall 3 of a first magnetic shield side wall body 2A at up and down symmetrical positions relative to the longitudinal plane Hp passing through the longitudinal axial line of the cylindrical space S to cause current to flow therethrough first and second conductors 10c and 10d extending in the longitudinal axial line direction, on the curved magnetic shield outer side wall 3 of the second magnetic shield side wall body 2B, at up and down symmetrical positions relative to the horizontal plane Hp passing through the longitudinal axial line of the cylindrical space S to cause current to flow therethrough and magnetic fluxes H coming horizontally to the first magnetic shield side wall body 2A and to the second magnetic shield side wall body 2B are deflected up and down by means of magnetic fields produced around the first and second conductors 10a, 10b, 10c and 10d, thereby preventing magnetic fluxes from flowing into the cylindrical space S.
来源网站:
中国工程科技知识中心
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