characterised by the use of a forced flow of gas, e.g. air

Full Title

Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems > Cooling arrangements > characterised by the use of a forced flow of gas, e.g. air

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

Navigate with arrow keys, Enter to open

• F21V 29/61 characterised by control arrangements
• F21V 29/63 using electrically-powered vibrating means; using ionic wind
• F21V 29/65 the gas flowing in a closed circuit
• F21V 29/67 characterised by the arrangement of fans