VORRICHTUNG ZUR BEATMUNG

摘要

The apparatus has a breathing air humidifier (4) that is provided with a water tank and a heater. The humidifier is coupled to an air supply. The heater includes at least one electric heating element (23) arranged in the region of the water tank. An Independent claim is included for a method of controlling the electrical heating of a breathing air humidifier, e.g. using pulse width modulation.