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

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

LIGHTING

Subclass:

FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR

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 29/8 with pins or wires
• F21V 29/83 the elements having apertures, ducts or channels, e.g. heat radiation holes