A device for preheating fuel for an ultrasonic atomizer (11) is shown, in which the fuel for an engine-independent heater operated with liquid fuel is atomized. The heating element (20), which preferably consists of a PTC element, is arranged in physical proximity to the ultrasonic atomizer (11) and...http://www.google.com.au/patents/US5110286?utm_source=gb-gplus-sharePatent US5110286 - Device for preheating fuel for an ultrasonic atomizer for heaters
