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Variable Flow Digital Gas Valve

  • US 20100176323A1
  • Filed: 01/15/2009
  • Published: 07/15/2010
  • Est. Priority Date: 01/15/2009
  • Status: Active Grant
First Claim
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1. A variable flow digital gas valve, comprising:

  • a housing defining an inlet, an outlet, and an inlet gas manifold positioned therebetween;

    a plurality of gas control orifices positioned in the housing to provide fluid communication between the inlet gas manifold and the outlet, each of the plurality of gas control orifices having a different size than the other gas control orifices;

    a plurality of solenoid coil assemblies associated with the plurality of gas control orifices, each solenoid coil assembly including a plunger slidably positioned within a coil, the plunger having affixed to an end thereof a valve seal, the plunger and valve seal being held in a quiescent position prohibiting fluid communication between the inlet gas manifold and the outlet through its associated gas control orifice by a valve spring; and

    wherein the size of each succeeding gas control orifice is twice the size of a preceding gas control orifice.

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