Importance

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Abstract

A constant temperature element for heating or cooling a working gas to the temperature of a control fluid is disclosed. The element includes a plurality of hollow concentric tapered rings of conductive material having a serrate configuration in section with tips projecting into the working fluid. A plate is typically attached to and generally flush with the base of the rings except for a central elongate plenum spanning the rings and having inlet and outlet ends respectively and a barrier at the center. The temperature control fluid enters at the inlet of the plenum so that it circulates through the rings and exits through the outlet of the plenum to maintain the rings, and thereby the working fluid adjacent the rings, at the temperature of the temperature control fluid.

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First Claim