Thermoelectric gas sample cooler

Details Thermoelectric gas sample cooler Thermoelectric gas sample cooler

1994-01-19

1995-11-14

Bennet, Henry A.

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62 37, 136203, 2989003, F25B 2102, F25D 1706

Patent

active

054655781

ABSTRACT:
A thermoelectric cooler for cooling a sample of hot, continuously flowing gas involves a mechanical heat flow path passing from the flowing gas through a heat-exchanging tube channeling the gas, a heat-conductive block housing the tube, a thermoelectric element having a cold side abutting the block, a heat sink abutting a hot side of the thermoelectric element, and cooling air streams passing through slots in the heat sink. The heat sink is a unibody, jointless metallic body having relatively thin fins defining the slots. A high pressure blower drives turbulent air streams through the slots of the heat sink, and a thermal switch is disposed on the heat sink near the hot side of the thermoelectric element.

REFERENCES:
patent: Re31333 (1983-08-01), Barben, II
patent: 4182129 (1980-01-01), Haunold et al.
patent: 4487619 (1984-12-01), Jones
patent: 4494380 (1985-01-01), Cross
patent: 4745759 (1988-05-01), Bauer et al.
patent: 5042257 (1991-08-01), Kendrick et al.
patent: 5095973 (1992-03-01), Toy
patent: 5147524 (1992-09-01), Broadley
patent: 5269146 (1993-12-01), Kerner
patent: 5279128 (1994-01-01), Tomatsu et al.

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