公开(公告)号：US06660954B2

公开(公告)日：2003-12-09

申请号：US10247345

申请日：2002-09-20

申请人： Kenji Iwabuchi ,  Manabu Takamoto ,  Naoyuki Yamamoto ,  Masahiro Yaegashi

发明人： Kenji Iwabuchi ,  Manabu Takamoto ,  Naoyuki Yamamoto ,  Masahiro Yaegashi

IPC分类号： H01H934

CPC分类号： H01H33/91 ,  H01H2033/888

摘要： The gas-blasted circuit-breaker includes a movable arc contact, a fixed arc contact opposing the movable arc contact, an insulating nozzle, a puffer cylinder, a hollow conductor, an insulating rod connected to the puffer cylinder, and a fixed piston fitted inside the puffer cylinder. An insulating gas is ejected to a space between the puffer cylinder and the fixed piston by driving the insulating rod and is sprayed to an arc generated upon interruption of a current. The hollow conductor is in a cylindrical shape having a cross section parallel to the axis thereof. The cross section is smaller in diameter on the downstream side of a flow of insulating gas. The hollow conductor has a closed end on the downstream side of the flow of insulating gas and has a cylindrical barrel portion provided with a plurality of opening. With this configuration, this circuit-breaker ensures an operation of adjusting the flow of a heat gas, cooling of the heat gas and insulating performance for the fixed conductor to which the heat gas is sprayed.

摘要翻译： 喷气式断路器包括可动电弧触点，与可动电弧触点相对的固定电弧触点，绝缘喷嘴，吹气缸，中空导体，连接到吹气缸的绝缘杆，以及安装在内部的固定活塞 河豚缸。 通过驱动绝缘杆将绝缘气体喷射到吹气缸和固定活塞之间的空间，并喷射到电流中断时产生的电弧。 中空导体是具有平行于其轴线的横截面的圆柱形形状。 横截面在绝缘气体流的下游侧的直径较小。 中空导体在绝缘气体流的下游侧具有封闭端，并且具有设置有多个开口的圆筒形筒部。 通过这种结构，该断路器确保了调节热气体的流动，热气体的冷却和用于喷射热气体的固定导体的绝缘性能的操作。