F | SK | MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
F24 | KL | 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 to B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements or arrangements H05B) |
F24F | UKL | AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (devices for ventilating greenhouses A01G; animal husbandry A01K , e.g. controlling humidity in incubators A01K 41/04; disinfecting or sterilising of air A61L; devices for reconditioning breathing air in sealed rooms or for ventilating gasproof shelters A62B; filtering, washing or drying of gases B01D; mixing gases with vapours or liquids in general B01F 3/00; spraying B05B , B05D; removing dirt or fumes from areas where they are produced B08B 15/00; ventilation, air-conditioning, or cooling, specially adapted for vehicles, see the relevant vehicle places, e.g. B60H , B61D 27/00; production of ozone C01B 13/10; chimneys or flues E04F 17/02 , E04H 12/28 , F23J 11/00 , F23L 17/02; air ducts or conduits E04F 17/04 , F16L; ventilation in doors or windows E06B 7/02; fans, blowers F04; noise-absorbing in pipes or pipe systems F16L; tops for chimneys or ventilating shafts F23L; cooling F25; details of heat-exchange or heat-transfer apparatus, of general application F28F; apparatus for generating ions to be introduced into non-enclosed gases, e.g. the atmosphere, H01T 23/00) |
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F24F 1/00 | HGR | Room units, e.g. receiving primary air from a central station |
F24F 1/01 | UGR1 | . | in which secondary air is induced by injector action of the primary air (F24F 1/02 takes precedence) [3] |
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F24F 1/02 | UGR1 | . | self-contained, i.e. with all apparatus for treatment installed in a common casing |
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F24F 1/04 | UGR2 | . . | Arrangements for portability |
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F24F 3/00 | HGR | Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F 1/00; construction of heat-exchangers F28) |
F24F 3/02 | UGR1 | . | characterised by the pressure or velocity of the primary air (F24F 3/044 takes precedence) [3] |
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F24F 3/04 | UGR2 | . . | operating with high pressure or high velocity |
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F24F 3/044 | UGR1 | . | Systems in which all treatment is given in the central station, i.e. all-air systems [3] |
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F24F 3/048 | UGR2 | . . | with temperature control at constant rate of air-flow (F24F 3/056 takes precedence) [3] |
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F24F 3/052 | UGR3 | . . . | Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned [3] |
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F24F 3/056 | UGR2 | . . | the air at least partially flowing over lighting fixtures, the heat of which is dissipated or used [3] |
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F24F 3/06 | UGR1 | . | characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units (F24F 3/02 takes precedence) |
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F24F 3/08 | UGR2 | . . | with separate supply and return lines for hot and cold heat-exchange fluids |
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F24F 3/10 | UGR2 | . . | with separate supply lines and common return line for hot and cold heat-exchange fluids |
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F24F 3/12 | UGR1 | . | characterised by the treatment of the air otherwise than by heating and cooling (F24F 3/02 , F24F 3/06 take precedence; apparatus for the individual treatment, see the appropriate subclasses for the treatments) |
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F24F 3/14 | UGR2 | . . | by humidification; by dehumidification |
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F24F 3/147 | UGR3 | . . . | with both heat and humidity transfer between supplied and exhausted air [3] |
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F24F 3/153 | UGR3 | . . . | with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature [3] |
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F24F 3/16 | UGR2 | . . | by purification, e.g. by filtering; by sterilisation; by ozonisation |
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F24F 5/00 | HGR | Air-conditioning systems or apparatus not covered by group F24F 1/00 or F24F 3/00 |
F24F 6/00 | ZWE |
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F24F 6/00 | HGR | Air-humidification [3] |
F24F 6/02 | UGR1 | . | by evaporation of water in the air [3] |
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F24F 6/04 | UGR2 | . . | using stationary unheated wet elements [3] |
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F24F 6/06 | UGR2 | . . | using moving unheated wet elements [3] |
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F24F 6/08 | UGR2 | . . | using heated wet elements [3] |
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F24F 6/10 | UGR3 | . . . | heated electrically [3] |
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F24F 6/12 | UGR1 | . | by forming water dispersions in the air [3] |
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F24F 6/14 | UGR2 | . . | using nozzles (nozzles per se, spraying in general B05B) [3] |
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F24F 6/16 | UGR2 | . . | using rotating elements [3] |
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F24F 6/18 | UGR1 | . | by injection of steam into the air [3] |
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F24F 7/00 | HGR | Ventilation |
F24F 7/007 | UGR1 | . | with forced flow (using ducting systems F24F 7/06) [3] |
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F24F 7/013 | UGR2 | . . | using wall or window fans, displacing air through the wall or window [3] |
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F24F 7/02 | UGR1 | . | Roof ventilation (F24F 7/007 takes precedence; ventilation of roof coverings E04D) [3, 6] |
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F24F 7/04 | UGR1 | |
F24F 7/06 | UGR2 | . . | with forced air circulation, e.g. by fan |
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F24F 7/08 | UGR3 | . . . | with separate ducts for supplied and exhausted air [3] |
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F24F 7/10 | UGR3 | . . . | with air supply, or exhaust, through perforated wall, floor or ceiling (outlet members for directing or distributing air F24F 13/06) [3] |
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F24F 9/00 | HGR | Use of air currents for screening, e.g. air curtain (air curtains for vehicles B60J 9/04) |
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F24F 11/00 | HGR | Control or safety systems or apparatus (control valves per se F16K) [3] |
F24F 11/02 | UGR1 | . | Arrangement or mounting of control or safety devices |
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F24F 11/04 | UGR2 | . . | solely for controlling the rate of air-flow (F24F 11/08 takes precedence) |
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F24F 11/047 | UGR3 | . . . | to constant value [3] |
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F24F 11/053 | UGR3 | . . . | by means responsive to temperature [3] |
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F24F 11/06 | UGR2 | . . | solely for controlling the supply of heating or cooling fluids for secondary treatment (F24F 11/08 takes precedence) |
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F24F 11/08 | UGR2 | . . | for controlling the primary treatment of air |
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F24F 12/00 | HGR | Use of energy recovery systems in air conditioning, ventilation or screening (with both heat and humidity transfer between supplied and exhausted air F24F 3/147; heat-exchange in general F28) [4] |
F24F 13/00 | HGR | Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening |
F24F 13/02 | UGR1 | |
F24F 13/04 | UGR2 | |
F24F 13/06 | UGR2 | . . | Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser |
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F24F 13/062 | UGR3 | . . . | having one or more bowls or cones diverging in the flow direction (F24F 13/072 takes precedence) [3] |
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F24F 13/065 | UGR3 | . . . | formed as cylindrical or spherical bodies which are rotatable (F24F 13/072 takes precedence) [3] |
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F24F 13/068 | UGR3 | . . . | formed as perforated walls, ceilings or floors (F24F 13/078 takes precedence) [3] |
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F24F 13/072 | UGR3 | . . . | of elongated shape, e.g. between ceiling panels [3] |
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F24F 13/075 | UGR3 | . . . | having parallel rods or lamellae directing the outflow, e.g. the rods or lamellae being individually adjustable (F24F 13/072 takes precedence) [3] |
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F24F 13/078 | UGR3 | . . . | combined with lighting fixtures (air-treatment systems with air-flow over lighting fixtures F24F 3/056) [3] |
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F24F 13/08 | UGR1 | |
F24F 13/10 | UGR2 | . . | movable, e.g. damper (F24F 13/18 takes precedence; valves in general F16K) |
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F24F 13/12 | UGR3 | . . . | built-up of sliding members |
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F24F 13/14 | UGR3 | . . . | built-up of tilting members, e.g. louvre |
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F24F 13/15 | UGR4 | . . . . | with parallel simultaneously tiltable lamellae [3] |
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F24F 13/16 | UGR3 | . . . | built-up of parallelly-movable plates |
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F24F 13/18 | UGR2 | . . | specially adapted for insertion in flat panels, e.g. in door or window-pane |
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F24F 13/20 | UGR1 | |
F24F 13/22 | UGR1 | . | Means for preventing condensation or evacuating condensate [5] |
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F24F 13/24 | UGR1 | . | Means for preventing or suppressing noise [5] |
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F24F 13/26 | UGR1 | . | Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect [6] |
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F24F 13/28 | UGR1 | . | Arrangement or mounting of filters [6] |
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F24F 13/30 | UGR1 | . | Arrangement or mounting of heat-exchangers [6] |
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F24F 13/32 | UGR1 | . | Supports for air-conditioning, air-humidification or ventilation units [6] |
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