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U.S. Department of Energy
Office of Scientific and Technical Information

Incandescent electric lamp with heat recovery means

Patent ·
OSTI ID:5758275

An incandescent electric lamp is described which utilizes 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.

Assignee:
Duro-Test Corp
Patent Number(s):
US 4275327
OSTI ID:
5758275
Country of Publication:
United States
Language:
English