Programmed temperature control of a thermal system

Details Programmed temperature control of a thermal system Programmed temperature control of a thermal system

1986-11-13

1988-06-21

Yuen, Henry C.

Heating

Having condition responsive control

Of cooling, dilution, withdrawal, bypass or circulation of...

432 59, 432 72, 432152, F27D 1900, F27B 928

Patent

active

047522160

ABSTRACT:
The invention resides in the temperature control of the oven of a gas chromatograph. A variable speed fan circulates air within the oven. Vents in the oven wall open automatically in response to pressure imbalances between the ambient atmosphere and the oven interior. Temperature is controlled by regulated exchanges of ambient and oven air produced by variations in fan speed.

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Abstracts of Japan, vol. 6, No. 232 (M-172) (1110), Nov. 18, 1982, M Field.

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