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Fan array fan section in air-handling systems

DC
  • US 7,137,775 B2
  • Filed: 03/22/2004
  • Issued: 11/21/2006
  • Est. Priority Date: 03/20/2003
  • Status: Expired due to Term
First Claim
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1. A fan array fan section in an air-handling system comprising:

  • (a) at least six fan units;

    (b) said at least six fan units arranged in a fan array;

    (c) an air-handling compartment within which said fan array of fan units is positioned; and

    (d) an array controller for controlling said at least six fan units to run at substantially peak efficiency by strategically turning selective ones of said at least six fan units on and off, wherein each fan unit has a peak efficiency operating range outside of which it operates at a reduced efficiency, and wherein said array controller is programmed to operate said at least six fan units at substantially peak efficiency by strategically turning off at least one fan unit operating at reduced efficiency and running the remaining fan units within said peak efficiency operating range.

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