METHODS OF STEAM GENERATION; STEAM BOILERS

Child Classifications

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• F22B 1/00 Methods of steam generation characterised by form of heating method +2 CPC IPC+CPC Available in IPC and CPC
• F22B 11/00 Steam boilers of combined fire-tube type and water-tube type, i.e. steam boilers of fire-tube type having auxiliary water tubes IPC+CPC Available in IPC and CPC
• F22B 13/00 Steam boilers of fire-box type, i.e. boilers where both combustion chambers and subsequent flues or fire tubes are arranged within the boiler body +1 CPC IPC+CPC Available in IPC and CPC
• F22B 15/00 Water-tube boilers of horizontal type, i.e. the water-tube sets being arranged horizontally IPC+CPC Available in IPC and CPC
• F22B 17/00 Water-tube boilers of horizontally-inclined type, i.e. the water-tube sets being inclined slightly with respect to the horizontal plane IPC+CPC Available in IPC and CPC
• F22B 19/00 Water-tube boilers of combined horizontally-inclined type and vertical type, i.e. water-tube boilers of horizontally-inclined type having auxiliary water-tube sets in vertical or substantially-vertical arrangement IPC+CPC Available in IPC and CPC
• F22B 21/00 Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically +3 CPC IPC+CPC Available in IPC and CPC
• F22B 23/00 Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube IPC+CPC Available in IPC and CPC
• F22B 25/00 Water-tube boilers built-up from sets of water tubes with internally-arranged flue tubes, or fire tubes, extending through the water tubes IPC+CPC Available in IPC and CPC
• F22B 27/00 Instantaneous or flash steam boilers IPC+CPC Available in IPC and CPC
• F22B 29/00 Steam boilers of forced-flow type IPC+CPC Available in IPC and CPC
• F22B 3/00 Other methods of steam generation; Steam boilers not provided for in other groups of this subclass IPC+CPC Available in IPC and CPC
• F22B 31/00 Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus +1 CPC IPC+CPC Available in IPC and CPC
• F22B 33/00 Steam-generation plants, e.g. comprising steam boilers of different types in mutual association IPC+CPC Available in IPC and CPC
• F22B 35/00 Control systems for steam boilers (for regulating feed-water supply F22D5/00; for controlling superheat temperature F22G5/00) +6 CPC IPC+CPC Available in IPC and CPC
• F22B 37/00 Component parts or details of steam boilers +3 CPC IPC+CPC Available in IPC and CPC
• F22B 5/00 Steam boilers of drum type, i.e. without internal furnace or fire tubes, the boiler body being contacted externally by flue gas +1 CPC IPC+CPC Available in IPC and CPC
• F22B 7/00 Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body IPC+CPC Available in IPC and CPC
• F22B 9/00 Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body IPC+CPC Available in IPC and CPC