专利名称：ELECTROMAGNETIC COIL 发明人：NAKAHARA MASAKIMI
申请号：JP16353284
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申请日：19840803
公开号：JPS6142106A
公开日：
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专利内容由知识产权出版社提供
change drum soon摘要：PURPOSE:To prevent malfunction of electromagnetic contactor due to burning of coil by connecting in ries the thermonsors having positive temperature characteristic to a coil wound to a boil bobbin and providing such elements to the position thermally coupled with the coil. CONSTITUTION:The end portion of coil 2 is soldered to contact metals 3 which are fixed one by one at the diagonal positions of upper collar 1b of coil bobbin 1. The lead 4b of thermonsor 4 which increas resistance value when temperature ris is soldered, the other lead 4c is engaged with the lower collar 1c, and a body 4a is cloly provided to the one surface of coil 2 so that it thermally couples thereto. When an excessive current flows into a coil 2 and temperature of coil 2 ris, a positive characteristic thermistor 4 increas resistance value. Therefore, amount of current flowing into the coil 2 reduces and temperature drops and thereby burning of coil 2 can be prevented.
on the town申请人：MATSUSHITA ELECTRIC WORKS LTD闺蜜的英文
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