With Plural Gaps In Discharge Path Patents (Class 361/128)
  • Cut-off chamber of a lightning protector
    Patent number: 4058848
    Abstract: Cut-off chamber of a lightning protector, characterized in that on the one hand, it comprises a wall made of a porous ceramic substance, ensuring the discharge and the cooling of the gases at the periphery of the chamber, at the time of the ignition of an arc between two elctrodes combined in that chamber and that on the other hand, a means for reinforcing the dielectric strength of the wall is arranged perpendicular to the zones subjected to the highest potential gradients.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: November 15, 1977
    Assignee: Delle-Alsthom
    Inventor: Robert Deville