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RUDOLF KOPPEL
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RUDOLF KOPPEL
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Publication of FR469425ApublicationCriticalpatent/FR469425A/fr
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
F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
F22D5/14—Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements
F22D5/16—Controlling water feed or water level; Automatic water feeding or water-level regulators responsive to thermal expansion and contraction, e.g. of solid elements of fluids
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FR469425D1914-03-091914-03-09Dispositif d'alimentation automatique de l'eau pour chaudière à vapeur
ExpiredFR469425A
(fr)