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PIEZOELECTRIC BLOWER PILOTED VALVE

  • US 20130167843A1
  • Filed: 12/31/2011
  • Published: 07/04/2013
  • Est. Priority Date: 12/31/2011
  • Status: Abandoned Application
First Claim
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1. A pneumatic valve comprising:

  • a valve housing surrounding an internal pneumatic valve chamber, the internal pneumatic valve chamber divided by a diaphragm into a plurality of chambers comprising;

    an inlet chamber having a valve inlet for receiving gases, the inlet chamber having an inlet pressure exerting an inlet force on the diaphragm; and

    a pilot pressure chamber coupled to a piezoelectric outlet port for receiving gases, the pilot pressure chamber having a pilot pressure exerting a pilot force on the diaphragm;

    a piezoelectric blower coupled to the pneumatic valve, the piezoelectric blower having a piezoelectric inlet port for receiving gases and the piezoelectric outlet port for delivering pressurized gases to the pilot pressure chamber;

    a valve seat disposed within the inlet chamber; and

    the diaphragm flexibly displaced based on the pilot force and the inlet force.

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