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IPC-Stelle: F22G 5/00 Hauptgruppe [Version 2006.01, Sprache EN - English]

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Symbol		Titel
A Hierarchieinformationen		SECTION A — HUMAN NECESSITIES
B Hierarchieinformationen		SECTION B — PERFORMING OPERATIONS; TRANSPORTING
C Hierarchieinformationen		SECTION C — CHEMISTRY; METALLURGY
D Hierarchieinformationen		SECTION D — TEXTILES; PAPER
E Hierarchieinformationen		SECTION E — FIXED CONSTRUCTIONS
F Hierarchieinformationen		SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01 Hierarchieinformationen		ENGINES OR PUMPS
F01 Hierarchieinformationen		MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, F04); ENGINE PLANTS IN GENERAL; STEAM ENGINES
F02 Hierarchieinformationen		COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F01); HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F03 Hierarchieinformationen		MACHINES OR ENGINES FOR LIQUIDS (for liquids and elastic fluids F01; positive-displacement machines for liquids F04); WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04 Hierarchieinformationen		POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS (portable fire extinguishers with manually-operated pumps A62C 11/00, with power-driven pumps A62C 25/00; charging or scavenging combustion engines by pumps F02B; engine fuel-injection pumps F02M; ion pumps H01J 41/12; electrodynamic pumps H02K 44/02)
F15 Hierarchieinformationen		ENGINEERING IN GENERAL
F15 Hierarchieinformationen		FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F16 Hierarchieinformationen		ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F17 Hierarchieinformationen		STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply E03B)
F21 Hierarchieinformationen		LIGHTING; HEATING
F21 Hierarchieinformationen		LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B)
F22 Hierarchieinformationen		STEAM GENERATION (chemical or physical apparatus for generating gases B01J; chemical generation of gas, e.g. under pressure, Section C; removal of combustion products or residues, e.g. cleaning of the combustion contaminated surfaces of tubes of boilers, F23J; generating combustion products of high pressure or high velocity F23R; water heaters not for steam generation F24H, F28; cleaning of internal or external surfaces of heat-transfer conduits, e.g. water tubes of boilers, F28G)
F22B Hierarchieinformationen		METHODS OF STEAM GENERATION; STEAM BOILERS (steam engine plants where engine aspects predominate F01K; domestic central-heating systems using steam F24D; heat exchange or heat transfer in general F28; generation of vapour in the cores of nuclear reactors G21)
F22D Hierarchieinformationen		PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; CIRCULATING WATER WITHIN BOILERS (chemical treatment of water, e.g. purification, C02F; enclosed heat-exchange apparatus in general F28D; controlling in general G05)
F22G Hierarchieinformationen		SUPERHEATING OF STEAM (steam-separating arrangements in boilers F22B 37/26)
F22G 1/00 Hierarchieinformationen		Steam superheating characterised by heating method (exothermal chemical reactions not involving a supply of free oxygen gas, apparatus or devices for using the heat therefrom F24J)
F22G 3/00 Hierarchieinformationen		Steam superheaters characterised by constructional features; Details or component parts thereof (general aspects of enclosed heat-exchangers F28D)
F22G 5/00 Hierarchieinformationen		Controlling superheat temperature (control systems for steam boilers F22B; regulating or controlling in general G05)
F22G 5/02 Hierarchieinformationen		. Applications of combustion-control devices, e.g. tangential-firing burners, tilting burners
F22G 5/04 Hierarchieinformationen		. by regulating flue gas flow, e.g. by proportioning or diverting
F22G 5/06 Hierarchieinformationen		. by recirculating flue gases
F22G 5/08 Hierarchieinformationen		. . preventing furnace gas backflow through recirculating fan
F22G 5/10 Hierarchieinformationen		. by displacing superheater sections
F22G 5/12 Hierarchieinformationen		. by attemperating the superheated steam, e.g. by injected water sprays (spray-mixers B01F 5/18)
F22G 5/14 Hierarchieinformationen		. . by live steam
F22G 5/16 Hierarchieinformationen		. by indirectly cooling or heating the superheated steam in auxiliary enclosed heat-exchanger
F22G 5/18 Hierarchieinformationen		. by by-passing steam around superheater sections
F22G 5/20 Hierarchieinformationen		. by combined controlling procedures
F22G 7/00 Hierarchieinformationen		Steam superheaters characterised by location, arrangement, or disposition
F23 Hierarchieinformationen		COMBUSTION APPARATUS; COMBUSTION PROCESSES
F24 Hierarchieinformationen		HEATING; RANGES; VENTILATING (protecting plants by heating in gardens, orchards, or forests A01G 13/06; baking ovens and apparatus A21B; cooking devices other than ranges A47J; forging B21J, B21K; specially adapted for vehicles, see the relevant subclasses of classes B60-B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements or arrangements H05B)
F25 Hierarchieinformationen		REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
F26 Hierarchieinformationen		DRYING
F27 Hierarchieinformationen		FURNACES; KILNS; OVENS; RETORTS (specially adapted for a purpose covered by a single other class and specifically mentioned in that class, see the class in question, e.g. bakery ovens A21B, glass melting furnaces C03B, coke or gas-making apparatus C10B, C10J, apparatus for cracking hydrocarbons C10G, blast furnaces C21B, converters for making steel C21C, furnaces for heat treatment of metal C21D; furnaces for electroslag or arc remelting of metals C22B 9/00; enamelling ovens C23D; combustion apparatus F23; electric heating H05B) [4]
F28 Hierarchieinformationen		HEAT EXCHANGE IN GENERAL (heat-transfer, heat-exchange or heat-storage materials C09K 5/00; arrangement or mounting of heat-exchangers in air-conditioning, air-humidification or ventilation F24F 13/30)
F41 Hierarchieinformationen		WEAPONS; BLASTING
F41 Hierarchieinformationen		WEAPONS
F42 Hierarchieinformationen		AMMUNITION; BLASTING
F99 Hierarchieinformationen		SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
G Hierarchieinformationen		SECTION G — PHYSICS
H Hierarchieinformationen		SECTION H — ELECTRICITY

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