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Joule-Thomson cryostat cooling system

Our miniature Joule-Thomson (JT) cryostats offer a compact rapid cooling capability for infrared systems. Eaton’s current production cryostats are dual-flow designs with a temperature-sensing bellows capsule. This technology allows the system to have an initial high flow period to rapidly cool down the focal plane, followed by a reduced flow period to maintain the temperature for the mission duration.

The miniature JT cryostat is a high-performance cryocooler suitable for infrared seekers for missile platforms. Historical systems include anti-ground, air and armor programs as well as missile interceptors.

 

Specifikācijas
  • Dual flow capability: High initial flow for rapid cool-down, low flow for steady state long flight operation
  • Temperature controlled charged bellows flow regulator
  • Steady state temperature stability < 0.5K/s
  • 375” or .440” outer diameters in current production
  • Length < 2”, weight < 20g
  • Single gas system operation, typically nitrogen or argon
  • Integrated 5-micron inlet filter(s)
  • Customizable inlet configurations
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