Invention Grant US2438067A Circuit breaker 失效 Basic information Please log in to see more content Basic information Please log in to see more content Circuit breaker Patent Title: Circuit breaker Application No.: US58325345 Application Date: 1945-03-17 Publication No.: US2438067A Publication Date: 1948-03-16 Inventor: LUHN HANS P Applicant: IBM Assignee: Ibm Current Assignee: Ibm Priority: US58325345 1945-03-17 Main IPC: H01H29/26 IPC: H01H29/26 Information query Espacenet 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） H01H29/00 至少有一个液体触点的开关（用水银沾湿或浸湿的固定触点入H01H1/08） H01H29/26 .接触液体的水平面因离心作用而变动的
