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FR2452175A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

ELECTRICAL AIR CUT-OFF APPARATUS PROVIDED WITH A SHORT-CIRCUIT INDICATOR DEVICE

Assignee: Alstom SA
•
Filing: 1979-03-23
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Granted: —
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Expires: 1999-03-23
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Abstract

Abstract Translated from French L'INVENTION ENTRE DANS LE DOMAINE DE L'APPAREILLAGE ELECTRIQUE. APPAREIL ELECTRIQUE DE COUPURE DANS L'AIR, MUNI D'UN DISPOSITIF INDICATEUR DE COURT-CIRCUIT, COMPORTANT DANS CHAQUE POLE DES CONTACTS SEPARABLES DISPOSES A L'INTERIEUR D'UNE CHAMBRE DE COUPURE DANS LAQUELLE SE DEVELOPPE UN ARC ELECTRIQUE LORS DE LA SEPARATION DES CONTACTS, CARACTERISE EN CE QUE LEDIT DISPOSITIF INDICATEUR DE COURT-CIRCUIT EST ACTIONNE PAR L'ONDE DE PRESSION GAZEUSE ENGENDREE PAR L'ARC ELECTRIQUE DANS LES CHAMBRES DE COUPURE. L'INVENTION S'APPLIQUE EN PARTICULIER AUX DISJONCTEURS. THE INVENTION ENTERS THE FIELD OF ELECTRICAL EQUIPMENT. ELECTRICAL SHUT-OFF IN THE AIR, EQUIPPED WITH A SHORT-CIRCUIT INDICATOR DEVICE, INCLUDING SEPARABLE CONTACTS IN EACH POLE PROVIDED INSIDE A SHUT-OFF CHAMBER IN WHICH AN ELECTRIC ARC DEVELOPES WHEN THE SEPARATION OF THE CONTACTS, CHARACTERIZED IN THAT THIS SHORT-CIRCUIT INDICATOR DEVICE IS ACTED BY THE GAS PRESSURE WAVE GENERATED BY THE ELECTRIC ARC IN THE CUT-OFF CHAMBERS. THE INVENTION APPLIES IN PARTICULAR TO CIRCUIT BREAKERS.

Inventors

  • 👤 Bernard Daussin
  • 👤 Jean Hennemann

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 18:52
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/50; H01H71/00; H01H71/04; H01H1/00; H01H1/0015; H01H77/00; H01H77/02; H01H2077/025

Claims Analysis

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References Cited (Backward Citations)

FR898240A Cited
GB589276A Cited
DE1052506B Cited
US3605047A Cited
DE2505158B1 Cited
US4016521A Cited

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