Agitation system

  • US 5,340,213 A
  • Filed: 12/30/1993
  • Issued: 08/23/1994
  • Est. Priority Date: 12/04/1990
  • Status: Expired due to Term
First Claim
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1. An apparatus for containing a load of substances including liquids and solids, a top surface of the load defining a load level, the apparatus comprising:

  • a tank for containing the load of substances and including a tank bottom and side walls;

    means located in the tank and extending over at least a portion of the tank bottom between the side walls for agitating substances within the tank to prevent the solids from settling on the bottom of the tank, the agitating means including a horizontal shaft having shaft ends rotatably mounted in the tank, the agitating means having first and second distal ends, and the side walls of the tank being imperforate in areas adjacent the first and second distal ends such that the entire agitating means, including the shaft ends, is completely contained within the interior of the tank;

    a non-sparking motor for rotating the shaft, the motor being located within the tank beneath the load level and being submerged in at least a portion of the substances when the tank is loaded; and

    means for transmitting power to the non-sparking motor.

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