Liquid delivering electric pum p

Liquid delivering electric pum p

CN
  • CN 2,396,211 Y
  • Filed: 09/13/1999
  • Issued: 09/13/2000
  • Est. Priority Date: 09/13/1999
  • Status: Active Grant
First Claim
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1. one kinds of Liquid delivering electric pum ps of being made up of (5) at the bottom of totally-enclosed miniature motor (1) pump housing (2) mechanical seal (3) impeller (4) pump etc. is characterized in that:

  • 1.1 the leaf cross-section of impeller (4) has a curved surface drain face, and vane end faces is carried out annular and is connected to become garden shape impeller.1.2 (5) are provided with and have the vortex filament guiding gutter at the bottom of the pump.1.3 the same outflow opening of the inflow entrance of the pump housing (8) (9) is on same horizontal line.

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