INTERNAL LEAKAGE PREVENTION CENTRIFUGAL PUMP

INTERNAL LEAKAGE PREVENTION CENTRIFUGAL PUMP

  • CN 2,124,327 U
  • Filed: 12/28/1991
  • Issued: 12/09/1992
  • Est. Priority Date: 12/28/1991
  • Status: Active Grant
First Claim
Patent Images

1. , the centrifugal pump a kind of by pump case (2), impeller (3), pump shaft (4), that cheese head screw (5) is formed is characterized in that the inletpiston place of impeller (3) increases by a spacer.

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