Patent ID: 7798053
Filing Date: 2010-09-21
Classification: A47J

Abstract:
1. A water heating system of a beverage maker to dispense heated water for use in making a beverage, the water heating system comprising: a water reservoir configured for communication with an inlet water line for receiving water from the inlet water line; a controllable valve communicating with the inlet line for controlling the flow of water through the line to the reservoir; a controller coupled to the controllable valve for controllably operating the controllable valve; a heating device providing energy for heating water retained in the reservoir, the heating device coupled to the controller; an active thermal expansion device coupled to the controller and communicating with at least one of the reservoir and the inlet line, the active thermal expansion device controllably operating to actively draw water from the water reservoir in response to a predetermined condition for accommodating the expansion of water in the system when the heating device heats the water in the reservoir; and an outlet line to dispense water from the heated water reservoir.