EP 0028376 A1 19810513 - Electric arc cooling device for switch-gear vents.
Title (en)
Electric arc cooling device for switch-gear vents.
Title (de)
Elektrische Lichtbogen-Kühlungsvorrichtung für die Kamine von Schaltgeräten.
Title (fr)
Dispositif de refroidissement d'arc électrique pour cheminées d'appareils de coupure.
Publication
Application
Priority
FR 7927013 A 19791031
Abstract (en)
[origin: US4414446A] A cooling apparatus which enables cut-out devices to be of compact design. A ceramic cooling unit (1) has cells (2) which pass right through it and has partitions (3) which are thin relative to one side of the cross-section of a cell (2).
Abstract (fr)
L'élément de refroidissement (1) en céramique comporte des alvéoles (2) traversant celui-ci de part en part et dont les cloisons (3) sont d'une épaisseur faible vis-à-vis d'un des côtés de la section dudit alvéole (2).
IPC 1-7
IPC 8 full level
H01H 33/08 (2006.01)
CPC (source: EP US)
H01H 33/08 (2013.01 - EP US)
Citation (search report)
- FR 1160990 A 19580818 - BBC BROWN BOVERI & CIE
- FR 1396822 A 19650423 - STOTZ KONTAKT GMBH
- FR 1165481 A 19581027 - LICENTIA GMBH
- DE 1291009 B 19690320 - STOTZ KONTAKT GMBH
- FR 1544434 A 19681031 - GEN ELECTRIC
- CH 337254 A 19590331 - BBC BROWN BOVERI & CIE [CH]
- US 4019005 A 19770419 - MICHETTI ANTHONY B
- FR 961290 A 19500509
- DE 1064589 B 19590903 - LICENTIA GMBH
- DE 1040103 B 19581002 - WISSENSCHAFTLICH TECH BUERO FU
Designated contracting state (EPC)
CH DE FR GB IT NL
DOCDB simple family (publication)
EP 0028376 A1 19810513; EP 0028376 B1 19850109; DE 3069949 D1 19850221; FR 2468987 A1 19810508; FR 2468987 B1 19820521; US 4414446 A 19831108
DOCDB simple family (application)
EP 80106532 A 19801024; DE 3069949 T 19801024; FR 7927013 A 19791031; US 20221780 A 19801030