using condensation or evaporation of a fluid, e.g. heat pipes

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) > using condensation or evaporation of a fluid, e.g. heat pipes

Child Classifications

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• F21V 29/52 electrically powered, e.g. refrigeration systems