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Asymmetric dual diaphragm pump

  • US 7,517,201 B2
  • Filed: 07/14/2005
  • Issued: 04/14/2009
  • Est. Priority Date: 07/14/2005
  • Status: Expired due to Fees
First Claim
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1. A micro pump comprising:

  • a chamber having a chamber midline;

    a first surface including a first portion extending at a first acute angle with respect to the chamber midline;

    a second surface opposite the first surface, the second surface including a second portion extending at a second acute angle with respect to the chamber midline;

    a first diaphragm disposed within the chamber, at least one first aperture disposed within the first diaphragm; and

    a second diaphragm disposed within the chamber, at least one second aperture disposed with the second diaphragm;

    wherein the second angle is less than the first angle when the first angle and the second angle are measured at a common lateral position along the chamber midline.

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