Electric resistance heating devices – Heating devices – Radiant heater
Reexamination Certificate
2005-06-21
2005-06-21
Jeffery, John A. (Department: 3742)
Electric resistance heating devices
Heating devices
Radiant heater
C392S424000, C250S50400H, C313S113000
Reexamination Certificate
active
06909841
ABSTRACT:
An infrared emitter element includes: at last one emitter tube made of silica glass, which has two ends; at least one electrical conductor arranged in the emitter tube as a radiation source; a cooling tube made of silica glass, which surrounds the at least one emitter tube spaced therefrom and which is connected to the at least one emitter tube directly at its ends, such that in the region of the electrical conductor at least one flow-supporting channel is formed between the at least one emitter tube and the cooling tube; and a metallic reflector. The cooling tube is completely covered with the reflector on its side facing away from the emitter tube. The infrared emitter element may be used as a flow-through heater, such as a heat exchanger, especially for high-purity fluids.
REFERENCES:
patent: 4071798 (1978-01-01), Hammond
patent: 5054107 (1991-10-01), Batchelder
patent: 5382805 (1995-01-01), Fannon et al.
patent: 6713945 (2004-03-01), Fuchs et al.
patent: 100 41 564 (2002-03-01), None
patent: 1531406 (1978-11-01), None
patent: WO 98/31045 (1998-07-01), None
Fuchs Stefan
Linow Sven
Zellmann Petra
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