Patent ID: 8104326

Claim:
A gas chromatography system comprising: a sample introduction device; a double-walled oven coupled to the sample introduction device and configured to receive a chromatography column in a space in the double-walled oven, the double-walled oven constructed and arranged to provide a substantially constant temperature to the space during an analysis stage of the gas chromatography system, the double-walled oven comprising an inner wall and an outer wall, and further configured to flow air between the inner wall and the outer wall, the double-walled oven further comprising an air intake aperture, an air exhaust aperture, and a fan configured to modulate a temperature in the oven space; a controller configured to adjust a degree of opening of at least one of the air intake aperture and the air exhaust aperture, and further configured to control a speed of the fan based on the degree of opening of at least one of the air intake aperture and the air exhaust aperture; and a detector coupled to the double-walled oven.