Incandescent electric lamp withheat recovery means

Details Incandescent electric lamp withheat recovery means Incandescent electric lamp withheat recovery means

1978-10-30

1981-06-23

Demeo, Palmer C.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Plural diverse optical devices

313112, 313114, 313116, H01K 132

Patent

active

042753279

ABSTRACT:
An incandescent electric lamp utilizing an infrared (IR) reflector for directing IR energy back to the filament to increase its operating efficiency in which a reflector is used to redirect circulating infrared energy back to the wall of the envelope where it then can be redirected back to the filament, or reflected directly back onto the filament.

REFERENCES:
patent: 1859601 (1932-05-01), Rice
patent: 2110590 (1938-03-01), Cook, Jr.
patent: 2394495 (1946-02-01), Smith
patent: 3209188 (1965-09-01), Freeman
patent: 4039878 (1977-08-01), Eijkelenboom et al.

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