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MAGNETIC PUMP

  • US 3,836,289 A
  • Filed: 09/06/1972
  • Issued: 09/17/1974
  • Est. Priority Date: 09/06/1972
  • Status: Expired due to Term
First Claim
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1. A device comprising a housing, first and second magnetizable members mounted in said housing and defining in part a fluid chamber therebetween, one-way valve means, inlet and outlet ports communicating through said one-way valve means with said fluid chamber, at least one of said magnetizable members being movable along an axis relative to the other to correspondingly change the volume of said fluid chamber, means for generating a magnetic field of uniform flux through said magnetizable members along said axis of movement, means for periodically altering said magnetic field, first means for controlling the relative direction of said magnetic field, whereby said magnetizable members are attracted to each other when the magnetic field extends in one general direction through the magnetizable members to contract the volume of said fluid chamber, and second means for displacing said one of the magnetizable members to expand said volume of the fluid chamber.

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