Devices for lowering the temperature of a body by heat radiation therefrom

Claim 1

A COLD PRODUCING DEVICE WHICH COMPRISES IN COMBINATION, A RADIATING BODY CAPABLE OF GIVING OFF RAYS WITHIN THE WAVELENGTH BANDS FOR WICH THE ATMOSPHERE IS TRANSPARENT, AN OPAQUE ENVELOPE SURROUNDING SAID RADIATING BODY FOR THERMALLY INSULATING IT FROM THE EARTH, SAID ENVELOPE INCLUDING AN OPENING POSITIONED TO PREVENT DIRECT RADIATIONS FROM THE SUN AND FROM THE EARTH FROM REACHING SAID BODY, A REFLECTING LINING CARRIED BY THE INTERNAL FACE OF SAID ENVELOPE, SAID LINING DIVERGING OUTWARDLY TOWARD SAID OPENING TO REFLECT THE RADIATIONS EMITTED BY SAID BODY INTO THE ATMOSPHERE, AND A SCREEN OF A MATERIAL TRANSPARENT TO RADIATIONS OF THE WAVELENGTHS FOR WHICH THE ATMOSPHERE IS TRANSPARENT, OUT OF CONTACT WITH SAID BODY, CLOSING SAID OPENING TO ISOLATE SAID BODY FROM THE ATMOSPHERE, SAID ENVELOPE BEING FILLED WITH CARBON DIOXIDE.