Patents Assigned to Marrel
  • Rotary heat exchanger, in particular for a gas turbine
    Patent number: 3985181
    Abstract: A rotary heat exchanger of the type having a ceramic core surrounded and driven by a ring gear is provided with a compressed air or spring arrangement between the periphery of the core and the ring gear to apply a radial compression force to the core at all times during operation of the exchanger to assist in accommodating abrupt accelerations and decelerations in the rotation of the exchanger.
    Type: Grant
    Filed: November 23, 1973
    Date of Patent: October 12, 1976
    Assignee: Bennes Marrel, Zone Industrielle
    Inventor: Jack Guillot
  • Plant for the compression of garbage
    Patent number: 3962965
    Abstract: A plant for the compression of garbage which includes at least one compactor having a horizontal pusher device disposed under a hopper to force the garbage into a container. The hopper is placed at the end of a large capacity storage pit into which the loose garbage is dumped and means are provided for transferring the garbage into the hopper of the compactor.
    Type: Grant
    Filed: July 18, 1972
    Date of Patent: June 15, 1976
    Assignee: Bennes Marrel
    Inventor: Antoine Corompt
  • Composite metal sheetings
    Patent number: 3948614
    Abstract: A composite metal sheet is formed by two metal sheets, each having a plain face and a face having raised portions. The faces having the raised portions are juxtaposed to each other and swelled. The metal sheets may also be flat on both surfaces with a metal spacer welded therebetwee. A plastic filler is also contemplated.
    Type: Grant
    Filed: December 6, 1972
    Date of Patent: April 6, 1976
    Assignee: Bennes Marrel
    Inventor: Fernand Michalon