Ventilating Patents (Class 174/187)
  • Patent number: 6364721
    Abstract: An electrical connector for joining a series of wires, relies on connecting two wire nut assemblies together, by electrically connecting the wires in the nuts with a pin and connecting the wire nuts together to keep the pin in contact with the wires.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: April 2, 2002
    Inventor: Kenneth G. Stewart, III
  • Patent number: 6037683
    Abstract: A gas-cooled turbo-generator has a pressure-tight casing with a stator disposed therein and a rotor. The turbo-generator also has cooling air feeders and dischargers disposed in the casing for circulating cooling air at a super atmospheric pressure in the casing. The stator and rotor have longitudinal slots for accommodating conductors and a proportion of conductor volume per longitudinal slot is at least twice a volume of the insulation. There is also provided an air/water heat exchanger for absorbing heat from the cooling air.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: March 14, 2000
    Assignee: ABB Patent GmbH
    Inventors: Dieter Lulay, Yvonne Riedling