EP 0233322 A3 19870916 - A CIRCUIT BREAKER
Title (en)
A CIRCUIT BREAKER
Publication
Application
Priority
- EP 86115269 A 19820312
- JP 3555281 U 19810312
- JP 3555481 U 19810312
- JP 3555581 U 19810312
- JP 3555681 U 19810312
- JP 3555781 U 19810312
Abstract (en)
[origin: EP0233322A2] The present invention relates to a circuit breaker wherein a pair of rigid conductors (201, 301) which are disposed therein and at least one of which has a movable portion that separates a pair of contacts (202, 302) by an electromagnetic force produced by an excess current flowing through the contacts (202, 302) adapted to come into and out of contact with and from each other, are provided with arc shields (6, 7) in a manner to surround the contacts (202,302), thereby to bring forth the effects of increasing the arc voltage of an electric arc struck across the contacts (202, 302) and raising the separating speed of the contacts (202, 302).
IPC 1-7
IPC 8 full level
H01H 73/04 (2006.01); H01H 73/18 (2006.01); H01H 77/10 (2006.01)
CPC (source: EP)
H01H 73/04 (2013.01); H01H 73/18 (2013.01); H01H 77/102 (2013.01); H01H 2077/025 (2013.01)
Citation (search report)
- [E] EP 0054833 A1 19820630 - MITSUBISHI ELECTRIC CORP [JP]
- [A] US 3402273 A 19680917 - DAVIS RUSSELL S
- [A] US 3997746 A 19761214 - HARPER GEORGE S, et al
- [A] DE 1765050 B2 19760805
- [A] US 3599130 A 19710810 - MURAI WASABURO, et al
- [AD] US 3171922 A 19650302 - STOKES KENNETH J
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0233322 A2 19870826; EP 0233322 A3 19870916; EP 0233322 B1 19910828
DOCDB simple family (application)
EP 86115269 A 19820312