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Pump, cooling unit and electronic apparatus including cooling unit

  • US 20050264996A1
  • Filed: 05/31/2005
  • Published: 12/01/2005
  • Est. Priority Date: 06/01/2004
  • Status: Abandoned Application
First Claim
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1. A pump comprising:

  • a pump casing having a pump chamber, an inlet path through which a liquid is guided to the pump chamber and an outlet path through which the liquid is discharged from the pump chamber; and

    an impeller, which is housed in the pump chamber, sucks the liquid through the inlet path into the pump chamber and pushes the liquid out of the pump chamber into the outlet path, wherein the outlet path has a first opening end which is opened in the pump chamber, and a second opening end located downstream of the first opening end, the first opening end having an opening area larger than that of the second opening end.

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