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NORTHERN EQUIPMENT CO
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NORTHERN EQUIPMENT CO
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Application filed by NORTHERN EQUIPMENT COfiledCriticalNORTHERN EQUIPMENT CO
Application grantedgrantedCritical
Publication of FR658423ApublicationCriticalpatent/FR658423A/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
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FR658423D1928-07-301928-07-30Dispositif combiné pour régler l'alimentation d'eau et pour contrôler la pression
ExpiredFR658423A
(fr)