DISPOSITIF D'ECHANGEUR THERMIQUE ET INSTALLATION RMN COMPRENANT UN TEL DISPOSITIF

摘要

The device (1) has a gas condensation surface (7) for allowing absorption of caloric power predetermined by pressurized and cool dry gas (G2) contained in a chamber of a sealed pressurized and cool dry gas container (5) without notable variation of temperature and pressure in the gas. A variable heating unit (8) is controlled by a tub (3') formed by a liquid fraction (3) of the gas in the container. The aggregate of caloric power released by circulating pressurized and cool dry gas (G1) to be cooled and by the heating unit, is constantly maintained equal to the predetermined caloric power. An independent claim is also included for a nuclear magnetic resonance (RMN) facility for realizing low temperature magic-angle spinning (MAS) type analysis.