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Sealless multiphase screw-pump-and-motor package

  • US 6,457,950 B1
  • Filed: 05/04/2000
  • Issued: 10/01/2002
  • Est. Priority Date: 05/04/2000
  • Status: Expired due to Term
First Claim
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1. A pump, including a motor and a pump housing, for pumping mixed gas and liquid, said pump comprising:

  • two intermeshed screw members for providing progressive cavities for transporting mixed fluids, within a pumping cavity, from a suction passage to a discharge reservoir of said pump housing; and

    means for providing cooling and lubrication to said motor and to bearings and timing gears of the screw members.

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