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AXIAL FLOW LIQUID AERATOR

  • US 3,739,986 A
  • Filed: 08/17/1971
  • Issued: 06/19/1973
  • Est. Priority Date: 08/17/1971
  • Status: Expired due to Term
First Claim
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1. A liquid aerator having a vertically extending opening formed therethrough, an upright tubular throat telescoped into said opening and having a lower inlet end for immersion in the liquid, a power rotated shaft extending into said throat, and an impeller fixed to and rotatable with said shaft to pump liquid upwardly through said throat in response to the rotation of said shaft, the improvement in said aerator comprising, a pair of motors substantially equally spaced diametrically from one another around said shaft, pulleys and drive belts between said motors and said power rotated shaft, each of said motors mounted to pivot generally toward and away from said power rotated shaft about a vertical axis adjacent one side of each motor so as to adjust the tension in said drive belts, lever means for pivoting each motor about each said axis, and spring means connected to said lever means for biasing said motors agaiNst said drive belts in order to equalize and adjust the tension in the belts.

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