Electric fuse having combustible elements comprising lead salts of nitrophenols

Invention Grant

US2175250A Electric fuse having combustible elements comprising lead salts of nitrophenols 失效

Title translation: 具有可燃元件的电熔丝包括硝基酚的铅盐

Patent Title: Electric fuse having combustible elements comprising lead salts of nitrophenols
Patent Title (中): 具有可燃元件的电熔丝包括硝基酚的铅盐
Application No.: US21118838

Application Date: 1938-06-01
Publication No.: US2175250A

Publication Date: 1939-10-10
Inventor: BURROWS LAWTON A , LAWSON WALTER E
Applicant: DU PONT
Assignee: Du Pont
Current Assignee: Du Pont
Priority: US21118838 1938-06-01
Main IPC: H01H85/06
IPC: H01H85/06

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IPC分类:

H	电学
H01	基本电气元件
H01H	电开关；继电器；选择器；紧急保护装置（接触电缆入H01B7/10；电解式自断续器入H01G9/18；紧急保护电路装置入H02H；无触点电子开关入H03K17/00）
H01H85/00	电流通过其可熔材料的部分，当此电流过大时，由于可熔材料的熔断而使电流中断的保护装置（由可熔材料的熔化而动作的开关入H01H37/76；在配电盘上熔断器的配置或安装入H02B1/18）
H01H85/02	.零部件
H01H85/04	..熔断器，即保护装置的易耗部分，如熔丝管
H01H85/05	...其组成部分
H01H85/055	....可熔件
H01H85/06	.....按可熔材料特征区分的（H01H85/11优先）