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EP0101774A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Safe electric supply glow discharge

Assignee: Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
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Filing: 1982-08-26
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Granted: —
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Expires: 2002-08-26
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Abstract

Abstract Translated from French L'invention concerne une alimentation électrique pour décharge luminescente en atmosphère raréfiée. Une alimentation A fournit un courant continu. L'interrupteur électronique E a un temps de réponse inférieur à 1 milliseconde. Il s'ouvre dès que l'augmentation brutale de courant dans la branche de décharge D décèle l'apparition d'un arc électrique. Application: traitement de surface de pièces par dépôt d'un revêtement sans cratères et sans défauts. The invention relates to a power supply for luminescent discharge in a rarefied atmosphere. A supply A supplies direct current. The electronic switch E has a response time of less than 1 millisecond. It opens as soon as the sudden increase in current in the discharge branch D detects the appearance of an electric arc. Application: surface treatment of parts by depositing a coating without craters and without defects.

Inventors

  • 👤 Jean-Paul Terrat

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-24 02:25
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32018; H01J37/32917; H01J37/32935; H02; H02H; H02H9/00; H02H9/001; H02H9/008

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR1266098A Cited
FR1466995A Cited
FR1541370A Cited
DE2941339A1 Cited

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