公开(公告)号：US20150170858A1

公开(公告)日：2015-06-18

申请号：US14414492

申请日：2013-10-19

申请人： Hitachi, Ltd.

发明人： Hideyuki Kotsuji ,  Hajime Urai ,  Makoto Koizumi ,  Makoto Hirose

IPC分类号： H01H33/88

CPC分类号： H01H33/88 ,  H01H33/74 ,  H01H33/78 ,  H01H33/91 ,  H01H2033/028

摘要： A pair of arcing contacts 3 and 5 facing each other are placed in a tank 1 to perform opening and closing operation, and a puffer cylinder 7 is coaxially provided on the circumference of one arcing contact 5. A puffer chamber 9 is comprised of the puffer cylinder 7, a fixed piston 6, and a hollow rod 8. An insulating nozzle 4 forming a space communicating with the puffer chamber 9 is provided. An exhaust tube 2 for exhausting and cooling hot gas discharged from an arc produced in the insulating nozzle 4 is provided on the circumference of the other arcing contact 3. A structure 11 for temporarily reducing the flow path area is provided on the inner circumferential surface at short of the end portion of the exhaust tube 2.

摘要翻译： 一对彼此面对的电弧触头3和5放置在罐1中以进行开闭操作，并且在一个电弧触点5的圆周上同轴地设置有一个吹气缸7.一个吹气室9由吹气 气缸7，固定活塞6和中空杆8.形成与吹气室9连通的空间的绝缘喷嘴4。 在另一个电弧接点3的圆周上设置有用于排出和冷却从绝缘喷嘴4中产生的电弧排出的热气体的排气管2.在内周面上设置用于暂时减少流路面积的结构体11 短于排气管2的端部。

公开(公告)号：US09336974B2

公开(公告)日：2016-05-10

申请号：US14414492

申请日：2013-10-09

申请人： Hitachi, Ltd.

发明人： Hideyuki Kotsuji ,  Hajime Urai ,  Makoto Koizumi ,  Makoto Hirose

IPC分类号： H01H33/91 ,  H01H33/88 ,  H01H33/78 ,  H01H33/74 ,  H01H33/02

CPC分类号： H01H33/88 ,  H01H33/74 ,  H01H33/78 ,  H01H33/91 ,  H01H2033/028

摘要： A pair of arcing contacts 3 and 5 facing each other are placed in a tank 1 to perform opening and closing operation, and a puffer cylinder 7 is coaxially provided on the circumference of one arcing contact 5. A puffer chamber 9 is comprised of the puffer cylinder 7, a fixed piston 6, and a hollow rod 8. An insulating nozzle 4 forming a space communicating with the puffer chamber 9 is provided. An exhaust tube 2 for exhausting and cooling hot gas discharged from an arc produced in the insulating nozzle 4 is provided on the circumference of the other arcing contact 3. A structure 11 for temporarily reducing the flow path area is provided on the inner circumferential surface at short of the end portion of the exhaust tube 2.

摘要翻译： 一对彼此面对的电弧触头3和5放置在罐1中以进行开闭操作，并且在一个电弧触点5的圆周上同轴地设置有一个吹气缸7.一个吹气室9由吹气 气缸7，固定活塞6和中空杆8.形成与吹气室9连通的空间的绝缘喷嘴4。 在另一个电弧接点3的圆周上设置有用于排出和冷却从绝缘喷嘴4中产生的电弧排出的热气体的排气管2.在内周面上设置用于暂时减少流路面积的结构体11 短于排气管2的端部。