Water pump

Water pump

  • CN 1,348,066 A
  • Filed: 09/27/2001
  • Published: 05/08/2002
  • Est. Priority Date: 10/05/2000
  • Status: Active Application
First Claim
Patent Images

1. water pump comprises:

  • Rotating shaft is used to drive water pump rotor;

    The pump housing comprises;

    pump chamber unit, have pump chamber, and described water pump rotor is arranged in the pump chamber;

    Bearing unit is used for supporting described rotating shaft by bearing;

    With the passage rib, the radial direction from the outer surface of described bearing unit along described rotating shaft stretches out;

    Mechanical seal is arranged between the described rotating shaft and the described pump housing, thereby closely seals described bearing and described pump chamber;

    Wherein, the described pump housing is included in the inner space between described bearing and the described mechanical seal, and the described pump housing comprises a stream passageway, this stream passageway has one along the linearly extended hole of described rotating shaft radial direction, one end of described stream passageway is at described inner space opening, the other end of described stream passageway is at the space opening around the described pump housing, and the described pump housing comprises a drainage channel, this drainage channel has the center line by described stream passageway, along the linearly extended hole of described rotating shaft radial direction, one end of described drainage channel is at described inner space opening, and the other end of described drainage channel passes described passage rib.

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