- tungsten-halogen bulb
- A quartz-halogen bulb with a tungsten filament
Dictionary of automotive terms. 2015.
tungsten-halogen bulb
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quartz-halogen bulb — A bulb with an inner quartz bulb which holds a tungsten filament. Usually the inner bulb contains an inert gas such as iodine or one of the other five halogen gases. The use of a halogen gas prevents the bulb from turning black and thus reducing… … Dictionary of automotive terms
Tungsten Halogen Lamp — A type of incandescent lamp that contains a halogen gas in the bulb, which reduces the filament evaporation rate increasing the lamp life. The high operating temperature and need for special fixtures limits their use to commercial applications… … Energy terms
halogen headlamps — Tungsten halogen bulb used in sealed beam unit or as separate bulb in composite headlamp … Dictionary of automotive terms
bulb — An electronic device which gives off light by the heating of an element contained with a glass enclosure. The metal base which conducts the electricity may be a barrel with locating pins, or it may have small filament wires protruding from the… … Dictionary of automotive terms
Halogen lamp — A halogen lamp is an incandescent lamp in which a tungsten filament is sealed into a compact transparent envelope filled with an inert gas, plus a small amount of halogen such as iodine or bromine. The halogen cycle increases the lifetime of the… … Wikipedia
halogen lamp — a gas filled, high intensity incandescent lamp having a tungsten filament and containing a small amount of a halogen, such as iodine, that vaporizes on heating and redeposits any evaporated tungsten particles back onto the filament: used esp. in… … Universalium
halogen — halogenous /ha loj euh neuhs/, adj. /hal euh jeuhn, jen , hay leuh /, n. Chem. any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals. [1835 45; HALO + GEN] * * * … Universalium
Incandescent light bulb — The incandescent light bulb, incandescent lamp or incandescent light globe is a source of electric light that works by incandescence, (a general term for heat driven light emissions which includes the simple case of black body radiation). An… … Wikipedia
Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… … Wikipedia
Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… … Wikipedia
