PLUNGER PUMP

PLUNGER PUMP

  • CN 2,091,966 U
  • Filed: 05/31/1991
  • Issued: 01/01/1992
  • Est. Priority Date: 05/31/1991
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of by cylinder body, be fastened on cylinder body end have suction valve and expulsion valve cylinder cap, slide on the plunger pump that the piston in the cylinder body is formed, it is characterized in that the coil groups that suit is electrically connected with control circuit on the cylinder body, wherein cylinder body is by no magnetic material, and the piston that slides in the cylinder body is that soft magnetic material is made.

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