F22D 1/08

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Description

Class  F22D : PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS


Subclass 1/08: Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways (heat-exchange tubes in general F28F) the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10151537 Heat exchanger unitJan 08, 16Dec 11, 18Doosan Heavy Industries Construction Co., Ltd.
9476583 Recovery system of waste heat from flue gasDec 21, 14Oct 25, 16SHANGHAI FUBO EP EQUIPMENT CO., LTD.
9212816 Economizer arrangement for steam generatorJan 15, 14Dec 15, 15THE BABCOCK & WILCOX COMPANY
7331313 Continuous steam generator with circulating atmospheric fluidised-bed combustionNov 18, 03Feb 19, 08GENERAL ELECTRIC TECHNOLOGY GMBH

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