Feeding or distributing of lump or pulverulent fuel to combustion apparatus

Child Classifications

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• F23K 3/02 Pneumatic feeding arrangements, i.e. by air blast
• F23K 3/04 for locomotive boiler furnaces
• F23K 3/06 for shaft-type furnaces
• F23K 3/08 for furnaces having movable grate bars
• F23K 3/10 Under-feed arrangements
• F23K 3/16 Over-feed arrangements
• F23K 3/22 Controlling thickness of fuel bed