Please download the dossier by clicking on the dossier button x
×

DIAPHRAGM PUMP

  • US 20120315166A1
  • Filed: 06/11/2012
  • Published: 12/13/2012
  • Est. Priority Date: 06/10/2011
  • Status: Active Grant
First Claim
Patent Images

1. A diaphragm pump comprising:

  • a motor comprising an output shaft;

    an eccentric member driven by the output shaft, the eccentric member comprising a plurality of arms moving up and down due to rotation of the output shaft;

    a diaphragm comprising a plurality of bladders, each of the bladders forming a pump chamber, the bladders being connected with arms of the eccentric member, respectively, such that the pump chambers are compressed and expanded due to movement of the arms;

    an air exhaust chamber communicating with the pump chambers via channels;

    a plurality of first valves arranged to control the flow of air through the channels;

    an air inlet chamber communicating with the pump chambers via a passage;

    a cavity forming a part of the passage; and

    a plurality of second valves arranged to control the flow of air into the pump chambers from the cavity.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×