公开(公告)号：US3659244A

公开(公告)日：1972-04-25

申请号：US3659244D

申请日：1969-12-10

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： MCKEITHAN WESLEY L ,  ASTLEFORD JOHN J

IPC: H01B17/00 ,  H01H85/042 ,  H01H85/14 ,  H01H85/20

CPC classification number: H01H85/042 ,  H01B17/005 ,  H01H2085/0225

Abstract: An electrical apparatus including a protective device with an electrically insulating bushing having an axially extending inner bore and terminal members disposed adjacent to the opposite ends of the bushing. A fusible element or fuse link is disposed in and spaced from the inner bore of the bushing and is electrically connected between the terminal members. A pulverulent or granular arc quenching material substantially fills the space between the fusible element and the inner bore of the bushing which includes at its outer periphery axially intermediate the ends of the bushing a portion which is adapted to receive a supporting means for the bushing on the wall or cover of the enclosure of the associated electrical apparatus.

Abstract translation: 一种电气设备，包括具有电绝缘衬套的保护装置，其具有轴向延伸的内孔和邻近衬套的相对端设置的端子构件。 可熔元件或熔断体设置在衬套的内孔中并与衬套的内孔隔开并且电连接在端子构件之间。 粉状或粒状灭弧材料基本上填充了可熔元件和衬套的内孔之间的空间，该空间在其外周缘处轴向地在衬套的端部之间中间部分延伸，该部分适于接收衬套上的支撑装置 相关联的电气设备的外壳的壁或盖。