characterised by passive heat-dissipating elements, e.g. heat-sinks

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) > characterised by passive heat-dissipating elements, e.g. heat-sinks

Child Classifications

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• F21V 29/71 using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
• F21V 29/73 the elements being adjustable with respect to each other, e.g. hinged
• F21V 29/74 with fins or blades
• F21V 29/80 with pins or wires
• F21V 29/83 the elements having apertures, ducts or channels, e.g. heat radiation holes