CPC Subgroup
F21V 29/50 Cooling arrangements (air-treatment systems dissipating or using the heat of lighting fixtures F24F3/056)
Full Title
Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems (lighting fixtures combined with outlets for air-treatment systems F24F13/078) > Cooling arrangements (air-treatment systems dissipating or using the heat of lighting fixtures F24F3/056)
6 direct subcodes
Child Classifications
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- F21V 29/502 characterised by the adaptation for cooling of specific components
- F21V 29/51 using condensation or evaporation of a fluid, e.g. heat pipes
- F21V 29/54 using thermoelectric means, e.g. Peltier elements
- F21V 29/56 using liquid coolants (F21V29/51 takes precedence)
- F21V 29/60 characterised by the use of a forced flow of gas, e.g. air
- F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks