VOLUMETRIC HEATING DEVICE FOR BEVERAGE OR FOOD PREPARATION MACHINE

摘要

The invention provides a volumetric heating device for beverage preparation machines, comprising an emission source designed for emitting electromagnetic radiation and to transfer the energy to a liquid at least partially surrounding the emission source, a liquid conduct, and an isolation means essentially transparent to the electromagnetic radiation in the emitted spectrum, and designed to electrically isolate the emission source from the liquid.