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Spindle-motor driven pump system

  • US 20050168079A1
  • Filed: 01/30/2004
  • Published: 08/04/2005
  • Est. Priority Date: 01/30/2004
  • Status: Active Grant
First Claim
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1. A liquid pump for use with an electronic component cooling system comprising:

  • a housing;

    a DC brushless spindle-motor mounted to said housing, said motor comprising an at least one rare-earth magnet for rotating an outer hub around a stationary shaft;

    an impeller rotationally constrained to said hub, said impeller contained within said housing;

    said housing having a fluid inlet for receiving a supply of lower pressure fluid and for delivering said supply of lower pressure fluid to said impeller, wherein rotation of said impeller transforms said supply of lower pressure fluid to a supply of higher pressure fluid; and

    said housing having a fluid exit for dispensing said supply of higher pressure fluid.

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