Constant temperature circulator

  • US 8,469,678 B2
  • Filed: 02/03/2010
  • Issued: 06/25/2013
  • Est. Priority Date: 02/03/2010
  • Status: Active Grant
First Claim
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1. A constant temperature circulator for maintaining a liquid at a constant temperature including a controller, a display connected to the controller and an electric motor connected to the controller including an output shaft having an impeller, the constant temperature circulator comprising:

  • a housing including a first integrally molded cover connected to a second integrally molded cover, an upper portion defined in the housing that contains the controller, display and electric motor and a lower portion defined in the housing adapted to be immersed into the liquid;

    one of the first and second integrally molded covers including a first inlet, a first casing extending from the first inlet to a first rim and a first channel disposed within the lower portion;

    an other of the first and second integrally molded covers including a second casing having a second rim disposed within the lower portion;

    a chamber cooperatively defined by the first casing and the second casing and configured to complementarily encapsulate the impeller when the first rim abuts the second rim;

    an outlet cooperatively defined by the first rim and the second rim in communication with the chamber; and

    a first adjuster movably connected to the first channel to adjust a flow of the liquid through the chamber, the movement of the first adjuster between a substantially closed position and a substantially open position.

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