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DIAPHRAGM-TYPE VACUUM PUMP

  • US 20080060515A1
  • Filed: 08/29/2007
  • Published: 03/13/2008
  • Est. Priority Date: 09/11/2006
  • Status: Abandoned Application
First Claim
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1. A diaphragm-type vacuum pump comprising:

  • an inclined pin that is radially spaced at a predetermined distance from the rotational center of a motor and is configured to rotate around the rotational center;

    a rolling plate that is connected with the inclined pin and is configured to eccentrically move up and down; and

    a three-point diaphragm that is combined with the rolling plate and disposed between a diaphragm guide and an air port,wherein vacuum pumping is applied by repeating intake and exhaust processes according to changes in the internal volume of the three-point diaphragm.

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