Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
F22D1/42—Feed-water heaters, i.e. economisers or like preheaters specially adapted for locomotives
Verfahren und Vorrichtung zum Verdampfen von Flüssigkeiten in einem Fieldrohrkessel oder in einem Wasserrohrkessel mit Fallrohren und in dem Dampfraum des Oberkessels mündenden Steigrohren.