|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

LIGHTING AND HEATING

|  | F25 |
REFRIGERATION OR COOLING; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES

|  | F25D |
REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUB-CLASS (refrigerated show cases Fulltext... Hierarchy... Expanded...A47F 3/04; refrigerated vehicles, see the appropriate sub-classes of classes Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...B60-B64; thermally-insulated vessels for domestic use Fulltext... Hierarchy... Expanded...B65D; thermally-insulated vessels for liquefied or solidified gases Fulltext... Hierarchy... Expanded...F17C; air-conditioning, ventilation Fulltext... Hierarchy... Expanded...F24F; refrigeration machines, plants, or systems Fulltext... Hierarchy... Expanded...F25B; cooling of instruments and comparable apparatus without refrigeration Fulltext... Hierarchy... Expanded...G12B; cooling of engines or pumps, see the relevant classes)

|  | F25D |
Note(s) In this sub-class, the term "device" refers to an enclosed space to be cooled, such devices being associated either with refrigerating machinery, e.g. as in a refrigerator, or with other cold sources, e.g. as in an ice-box.

|  | F25D 1/00 - F25D 9/00 |
Devices not associated with refrigerating machinery

|  | F25D 1/00 |
Devices using naturally-cold air or water

|  | F25D 1/02 |
· | using naturally-cold water, e.g. household-tap water

|  | F25D 3/00 |
Devices using other cold materials; Devices using cold-storage bodies

|  | F25D 3/02 |
· | using ice, e.g. ice-boxes

|  | F25D 3/04 |
· · | Stationary cabinets

|  | F25D 3/06 |
· · | Movable containers

|  | F25D 3/08 |
· · · | portable, i.e. adapted to be carried personally

|  | F25D 3/10 |
· | using liquefied gases, e.g. liquid air

|  | F25D 3/12 |
· | using solidified gases, e.g. carbon-dioxide snow

|  | F25D 3/14 |
· · | portable, i.e. adapted to be carried personally

|  | F25D 5/00 |
Devices using endothermic chemical reactions, e.g. using frigorific mixtures

|  | F25D 5/02 |
· | portable, i.e. adapted to be carried personally

|  | F25D 7/00 |
Devices using evaporation effects without recovery of the vapour (butter or cheese dishes with cooling devices Fulltext... Hierarchy... Expanded...A47G 19/26)

|  | F25D 9/00 |
Devices not covered by groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F25D 1/00-F25D 7/00; Combinations of devices covered by two or more of the groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F25D 1/00-F25D 7/00

|  | F25D 11/00 - F25D 15/00 |
Devices associated with refrigerating machinery

|  | F25D 11/00 |
Self-contained movable devices, e.g. domestic refrigerator

|  | F25D 11/02 |
· | with cooling compartments at different temperatures

|  | F25D 11/04 |
· | specially adapted for storing deep-frozen articles (Fulltext... Hierarchy... Expanded...F25D 11/02 takes precedence)

|  | F25D 13/00 |
Stationary devices, e.g. cold rooms

|  | F25D 13/02 |
· | with several cooling compartments, e.g. refrigerated locker systems

|  | F25D 13/04 |
· · | the compartments being at different temperatures

|  | F25D 13/06 |
· | with conveyers carrying articles to be cooled through the cooling space

|  | F25D 15/00 |
Devices not covered by group Fulltext... Hierarchy... Expanded...F25D 11/00 or Fulltext... Hierarchy... Expanded...F25D 13/00, e.g. non-self-contained movable devices

|  | F25D 17/00 - F25D 29/00 |
Details and features of the devices covered by groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F25D 1/00-F25D 15/00

|  | F25D 17/00 |
Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces

|  | F25D 17/02 |
· | for circulating liquids, e.g. brine

|  | F25D 17/04 |
· | for circulating gas, e.g. by natural convection

|  | F25D 17/06 |
· · | by forced circulation

|  | F25D 17/08 |
· · · | using ducts

|  | F25D 19/00 |
Arrangement or mounting of refrigeration units with respect to devices

|  | F25D 19/02 |
· | plug-in type

|  | F25D 19/04 |
· | with more than one refrigeration unit

|  | F25D 21/00 |
Defrosting; Preventing frosting; Removing condensed or defrost water (removing ice or water from heat-exchange apparatus in general Fulltext... Hierarchy... Expanded...F28F 17/00)

|  | F25D 21/02 |
· | Detecting the presence of frost and condensate

|  | F25D 21/04 |
· | Preventing the formation of frost and condensate

|  | F25D 21/06 |
· | Removing frost (by special defrost cycle of the refrigeration system Fulltext... Hierarchy... Expanded...F25B)

|  | F25D 21/08 |
· · | by electric heating

|  | F25D 21/10 |
· · | by spraying with fluid

|  | F25D 21/12 |
· · | by hot-fluid circulating system separate from the refrigerant system

|  | F25D 21/14 |
· | Collecting and removing condensed and defrost water; Drip trays

|  | F25D 23/00 |
General constructional features (Fulltext... Hierarchy... Expanded...F25D 21/00 takes precedence)

|  | F25D 23/02 |
· | Doors; Covers (Fulltext... Hierarchy... Expanded...F25D 23/08 takes precedence)

|  | F25D 23/04 |
· · | with special compartments, e.g. butter conditioners

|  | F25D 23/06 |
· | Walls (Fulltext... Hierarchy... Expanded...F25D 23/08 takes precedence)

|  | F25D 23/08 |
· | Parts formed wholly or mainly of plastics materials

|  | F25D 23/10 |
· | Arrangements for mounting in particular locations, e.g. for built-in type, for corner type

|  | F25D 23/12 |
· | Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove

|  | F25D 25/00 |
Charging, supporting, and discharging the articles to be cooled

|  | F25D 25/02 |
· | by shelves (in general Fulltext... Hierarchy... Expanded...A47B 96/02)

|  | F25D 25/04 |
· | by conveyers (in general Fulltext... Hierarchy... Expanded...B65G)

|  | F25D 27/00 |
Lighting arrangements (in general Fulltext... Hierarchy... Expanded...F21)

|  | F25D 29/00 |
Arrangement or mounting of control or safety devices (control devices per se Fulltext... Hierarchy... Expanded...G05)

|  | F25D 31/00 |
Other cooling or freezing apparatus