发明名称 BALLAST FOR DISCHARGE LAMP
摘要 <p>PURPOSE: To ensure an insulation distance between a laminated core and a winding by folding an insulation sheet at the opposite end parts thereof and stopping the folded parts to a coil cover. CONSTITUTION: An insulation distance L1 is ensured between a laminated core 1 and a winding 2 wound around the core 1 by means of an insulation sheet 3 wound around the winding 2. The winding exposed to the opposite end laces of the laminated core 1 is covered, at the opposite end parts 21 thereof, with an insulating coil cover 4. The coil cover 4 is provided with an insertion piece 41 being fitted to the inside of the winding 2 thus securing the winding 2 and folded parts 31, provided at the opposite ends of the insulation sheet 3, are stopped at the insertion piece 41. This structure ensures a sufficient insulation distance between the laminated core and the winding.</p>
申请公布号 JPH08148349(A) 申请公布日期 1996.06.07
申请号 JP19940324062 申请日期 1994.11.18
申请人 HITACHI LIGHTING LTD 发明人 KAMOGAWA TAKEHIKO
分类号 H01F27/32;H01F37/00;(IPC1-7):H01F27/32 主分类号 H01F27/32
代理机构 代理人
主权项
地址