Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP10420885UpriorityCriticalpatent/JPH0629873Y2/ja
Publication of JPS6212245UpublicationCriticalpatent/JPS6212245U/ja
Application grantedgrantedCritical
Publication of JPH0629873Y2publicationCriticalpatent/JPH0629873Y2/ja
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
H01H9/342—Venting arrangements for arc chutes
H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve