Patent ID: 8469678
Filing Date: 2013-06-25
Classification: B01L,F25D

Abstract:
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.