Expandable Casing For Cylindrical Heat Exchanger Patents (Class 165/DIG60)
  • Patent number: 6091061
    Abstract: The invention relates to a system for reducing radial leaks in an air heater for thermal equipment, the heater being of the type including a rotor fitted with a plurality of heater elements supported by diaphragms, a stator constituted by a leakproof metal case, and radial sealing means including hinged sector plates positioned over the heater elements together with radial gaskets provided on the diaphragms.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: July 18, 2000
    Assignee: Alstom Energy Systems SA
    Inventors: Philippe Dreisler, Paul Francin, Jean-Claude Semedard