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
F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
F22D5/06—Controlling water feed or water level; Automatic water feeding or water-level regulators with receptacles external to, but in free communication with, the boilers and adapted to move up and down in accordance with change in water level
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
F22D5/02—Controlling water feed or water level; Automatic water feeding or water-level regulators with an intermediate compartment from which the water is fed by gravity after mechanically moving the compartment, the movement being controlled according to water level
Fuer Pressluft-Werkzeuge bestimmte, in Pressluft-Leitungen einzubauende, selbsttaetige Schmiervorrichtung mit einem durch den Arbeitskolben angetriebenen OElkolben