| IPC 7 English version |
| F25D-F25D03100 |
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| SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 25 | REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES |
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| F 25 D | REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS (refrigerated showcases A47F 3/04; thermally-insulated vessels for domestic use A47J 41/00; refrigerated vehicles, see the appropriate subclasses of classes B60 to B64; containers with thermal insulation in general B65D 81/38; heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or materials for the production of heat or cold by chemical reactions other than by combustion C09K 5/00; thermally-insulated vessels for liquefied or solidified gases F17C; air-conditioning or air-humidification F24F; refrigeration machines, plants, or systems F25B; cooling of instruments or comparable apparatus without refrigeration G12B; cooling of engines or pumps, see the relevant classes) |
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| Notes |
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| (1) | In this subclass, the following term is used with the meaning indicated: |
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| – | "device" means an enclosed space to be cooled; such devices being associated either with refrigerating machinery, e.g. in a refrigerator, or with other cold sources, e.g. in an ice-box. |
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| (2) | Attention is drawn to Note (2) following the title of subclass F24F. [5] |
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| Subclass Index |
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| DEVICES NOT ASSOCIATED WITH REFRIGERATING MACHINERY |
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| Using cold air or water; other cold materials or bodies |
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| Using endothermic chemical reactions, or evaporation without recovery |
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| Other devices, combinations |
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| DEVICES ASSOCIATED WITH REFRIGERATING MACHINERY: SELF-CONTAINED MOVABLE; STATIONARY; OTHER |
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| STRUCTURAL PARTS OR ARRANGEMENTS, OF GENERAL APPLICATION: GENERAL; DEFROSTING; HANDLING OF ARTICLES TO BE COOLED |
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| CIRCULATING COOLING FLUID OR GAS; LIGHTING |
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| ARRANGEMENT OR MOUNTING: OF REFRIGERATION UNITS; OF CONTROL OR SAFETY DEVICES |
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| OTHER APPARATUS |
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| Devices not associated with refrigerating machinery |
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1/ | 00 | Devices using naturally-cold air or water |
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1/ | 02 | . | using naturally-cold water, e.g. household-tap water |
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3/ | 00 | Devices using other cold materials; Devices using cold-storage bodies |
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3/ | 02 | . | using ice, e.g. ice-boxes |
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3/ | 04 | . | . | Stationary cabinets |
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3/ | 06 | . | . | Movable containers |
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3/ | 08 | . | . | . | portable, i.e. adapted to be carried personally |
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3/ | 10 | . | using liquefied gases, e.g. liquid air |
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3/ | 11 | . | . | with conveyers carrying articles to be cooled through the cooling space [4] |
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3/ | 12 | . | using solidified gases, e.g. carbon-dioxide snow |
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3/ | 14 | . | . | portable, i.e. adapted to be carried personally |
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5/ | 00 | Devices using endothermic chemical reactions, e.g. using frigorific mixtures |
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5/ | 02 | . | portable, i.e. adapted to be carried personally |
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7/ | 00 | Devices using evaporation effects without recovery of the vapour (butter or cheese dishes with cooling devices A47G 19/26) |
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9/ | 00 | Devices not covered by groups F25D 1/00 to F25D 7/00; Combinations of devices covered by two or more of the groups F25D 1/00 to F25D 7/00 |
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| Devices associated with refrigerating machinery |
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11/ | 00 | Self-contained movable devices, e.g. domestic refrigerator |
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11/ | 02 | . | with cooling compartments at different temperatures |
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11/ | 04 | . | specially adapted for storing deep-frozen articles (F25D 11/02 takes precedence) |
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13/ | 00 | Stationary devices, e.g. cold rooms |
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13/ | 02 | . | with several cooling compartments, e.g. refrigerated locker systems |
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13/ | 04 | . | . | the compartments being at different temperatures |
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13/ | 06 | . | with conveyers carrying articles to be cooled through the cooling space |
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15/ | 00 | Devices not covered by group F25D 11/00 or F25D 13/00, e.g. non-self-contained movable devices |
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16/ | 00 | Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery [5] |
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| Details or features of the devices covered by groups F25D 1/00 to F25D 16/00 [5] |
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17/ | 00 | Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces [3] |
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17/ | 02 | . | for circulating liquids, e.g. brine |
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17/ | 04 | . | for circulating gas, e.g. by natural convection [3] |
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17/ | 06 | . | . | by forced circulation |
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17/ | 08 | . | . | . | using ducts |
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19/ | 00 | Arrangement or mounting of refrigeration units with respect to devices |
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19/ | 02 | . | plug-in type |
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19/ | 04 | . | with more than one refrigeration unit |
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21/ | 00 | Defrosting; Preventing frosting; Removing condensed or defrost water (removing ice or water from heat-exchange apparatus in general F28F 17/00; heating arrangements specially adapted for transparent or reflecting areas H05B 3/84) |
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21/ | 02 | . | Detecting the presence of frost or condensate |
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21/ | 04 | . | Preventing the formation of frost or condensate |
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21/ | 06 | . | Removing frost (defrosting cycles F25B 47/02) |
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21/ | 08 | . | . | by electric heating |
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21/ | 10 | . | . | by spraying with fluid |
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21/ | 12 | . | . | by hot-fluid circulating system separate from the refrigerant system |
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21/ | 14 | . | Collecting or removing condensed and defrost water; Drip trays |
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23/ | 00 | General constructional features (F25D 21/00 takes precedence) |
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23/ | 02 | . | Doors; Covers (F25D 23/08 takes precedence) |
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23/ | 04 | . | . | with special compartments, e.g. butter conditioners |
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23/ | 06 | . | Walls (F25D 23/08 takes precedence; containers with thermal insulation B65D 81/38) [4] |
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23/ | 08 | . | Parts formed wholly or mainly of plastics materials |
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23/ | 10 | . | Arrangements for mounting in particular locations, e.g. for built-in type, for corner type |
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23/ | 12 | . | Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove |
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25/ | 00 | Charging, supporting, or discharging the articles to be cooled |
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25/ | 02 | . | by shelves |
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25/ | 04 | . | by conveyers (in general B65G) |
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27/ | 00 | Lighting arrangements (in general F21) |
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29/ | 00 | Arrangement or mounting of control or safety devices |
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31/ | 00 | Other cooling or freezing apparatus |
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