Patent ID: 6661968
Filing Date: 2003-12-09
Classification: A47J

Abstract:
A device for the continuous heating of a liquid to a constant temperature, comprising a reservoir of an ambient temperature liquid, a pump having an inlet and outlet, a heating unit, a heated liquid outlet for delivering heated liquid at a preselected temperature, a control device for regulating flow of liquid delivered by the pump to the heating unit, the control device being controlled based on the temperature of the liquid leaving the heating unit, a recirculation device, comprising a first part and a second part, wherein the first and second parts are thermally insulated from each other, for recirculating liquid leaving the heating unit to one of the reservoir or the inlet side of the pump when the liquid has not reached the predetermined temperature, the recirculation device also being controlled based on the temperature of the liquid leaving the heating unit; and a rated valve on the heated liquid outlet.