Patent ID: 9566409
Date: 2017-02-14
CPC Classifications: A61M,F24F

Claim:
1. A humidifier system to heat and humidify a supply of gas with a fluid, the humidifier system comprising: a humidifier device having a gas inlet, a gas outlet, and at least one wall defining a humidification chamber structured to contain the fluid; a humidification surface to heat and humidify the supply of gas, the humidification surface positioned in the humidification chamber and between the gas inlet and the gas outlet such that in use the supply of gas flows from the gas inlet, passes through the humidification surface, and exits from the gas outlet; a controlled heater device positioned to heat the fluid contained in the humidification chamber; a control-and-monitoring device configured to control and monitor the humidifier device and configured to control the controlled heater device; a drive device configured to move the fluid through the humidification surface and the gas; and a transponder firmly connected to the at least one wall of the humidifier device and configured to communicate wirelessly with the control-and-monitoring device to identify the humidifier device, wherein the control-and-monitoring device is configured to monitor a power consumption of the drive device to detect that a fluid level of the humidifier device is too low based on the power consumption of the drive device.