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PIEZOELECTRIC MICRO-BLOWER

  • US 20090232683A1
  • Filed: 05/27/2009
  • Published: 09/17/2009
  • Est. Priority Date: 12/09/2006
  • Status: Active Grant
First Claim
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1. A piezoelectric micro-blower comprising:

  • a blower body;

    a diaphragm secured to the blower body at a perimeter thereof and having a piezoelectric element;

    a first wall attached to the blower body and positioned so as to define a blower chamber between the diaphragm and the first wall, the first wall including a first opening facing a center of the diaphragm, the first opening in fluid communication with the blower chamber;

    a second wall spaced from the first wall and disposed opposite the blower chamber with the first wall interposed between the second wall and the blower chamber, the second wall including a second opening facing the first opening; and

    an inflow path formed between the first wall and the second wall, the inflow path having outer ends communicating with the outside of the piezoelectric micro-blower, and having inner ends connected to the first opening and the second opening.

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