Accession Number:

ADD005418

Title:

Heat Transfer System Using Thermally-Operated, Heat-Conducting Valves.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON D C

Report Date:

1978-09-12

Pagination or Media Count:

6.0

Abstract:

This patent discusses a heat transfer system, e.g., refrigeration system or heater, particularly valuable at cryogenic temperatures which comprises a serial arrangement, in abutting contact and connected to the material or device to be cooled or heated, of a thermal reservoir made of a material having a specific heat capacity, a thermal valve made of a thermally-conductive material whose thermal conductivity increases as its temperature increases, e.g., magnesium, a working material whose temperature is periodically varied, e.g., by magnetic or electric fields, and another valve of a thermal-conductive material whose thermal conductivity decreases as its temperature increases, e.g., NaCl. The magnetic refrigeration or heater units may be ganged to increase the cooling or heating ability. Author

Subject Categories:

  • Pumps, Filters, Pipes, Tubing, Fittings and Valves
  • Thermodynamics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE