Patents Assigned to Greenheck Fan Corp.
  • Method and apparatus for determining the efficiency of an air preconditioning module
    Patent number: 6505502
    Abstract: A method and apparatus is provided for determining the efficiency of an air preconditioning module having an energy transfer matrix disposed between a supply air flow to a building, and a return air flow from the building. In particular, a predetermined relationship is determined between pressure drop across measured across the matrix and the efficiency of the matrix.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: January 14, 2003
    Assignee: Greenheck Fan Corp.
    Inventors: Kyle A. Brownell, Chris B. Check