Patents by Inventor Serge Alquier

Serge Alquier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for extracting heat from a powdered water-absorbant substance at less than 100.degree. C.
    Patent number: 4377937
    Abstract: Spray nozzles (16, 18, 20) inject just sufficient water to produce the desired cooling of hot powdered substance by evaporation of the water. The water is sprayed finely and uniformly onto said substance to avoid wet lumps agglomerating. The substance comes from a hopper (2), and flows through the apparatus in the opposite direction to a drying gas flow from inlet (21) to a condenser (22) where the heat is recovered from the water vapor.Application to recycling foundry sand and, more generably, to using sand which has been heated.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: March 29, 1983
    Assignee: Alsthom-Atlantique
    Inventors: Serge Alquier, Louis Berthod