Abstract: Arrangement for supplying heat to the cooling fluid of a combustion engine, with a heating apparatus, which has a combustion chamber for gaseous or for liquid fuel, and with a heat exchange device, with which heat generated by the heating apparatus can be transferred to the cooling fluid. The heating apparatus is connected on the outside of the engine block of the combustion engine in such a way, that the heat transfer from the hot combustion gases from the combustion chamber to the cooling water or fluid takes place through the outer wall of the engine block.

Abstract: A heater plug is cooled with combustion air for diesel oil-burning heating appliances, especially those provided with a vaporizing burner. The plug is screwed into a burner pipe joint, enclosing but spaced inwardly of the plug. The pipe joint also has inlet for supplying the fuel, and it is fastened to the furnace wall of the heating appliances. The burner carries a continuous lengthwise bore, accessible from one end face and opening into the heater plug coil, the inner end of the bore being connected to the combustion air channel across a proportioning throttle.