Improvements in boilers with water film. (Machine-translation by Google Translate, not legally binding)

摘要

"IMPROVEMENTS IN BOILERS WITH WATER SHEETS", of the type comprising two concentric chambers, between which the water is located, while a burner is located in the virtual axis common to the two chambers, characterized in that the inner chamber is composed on the one half cylindrical part, on a frustoconical lower part, whose larger base is joined to the middle part while the smaller base is attached to the bottom of the outer chamber, and on a cylindrical upper part that the burner must receive, passing through this part upper the outer chamber and being joined to the middle part by a convex bottom. (Machine-translation by Google Translate, not legally binding)