Patents Assigned to Cog B.V.
  • Patent number: 4367381
    Abstract: A switch for high voltages comprising co-operating fixed and movable spherical contacts, of which the or each fixed contact consists of a stationary body in the shape of a hollow spherical cap and a potential field controlling screen adapted to be forced by the respective movable contact into said hollow cap, said screen being spherically complementary to said spherical cap, when the switch is in its open condition, and being also provided with the contact surfaces to conduct the main current.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: January 4, 1983
    Assignee: Cog B.V.
    Inventors: Pieter Marien, Gijsberg W. Irik, Rintje Boersma