
Leonardo DRS’ family of cryogenic coolers provide industry-leading cooler life and performance in the harshest environmental conditions – the product of decades of manufacturing, continuous innovation, and extensive testing.
All Leonardo DRS cryogenic coolers are built on a linear, dual-opposed piston design with a flexure spring suspension architecture. Combined with vertical integration and tightly controlled manufacturing processes, this family of coolers exhibit extremely low vibration with virtually no audible noise. Companion drive electronics are also available in a number of configurations.
These coolers are well suited for applications that demand extreme longevity and very low audible noise constraints.
Each cooler variant has been extensively tested and formally qualified to US Government standards, qualified for ground vehicle, airborne, sea-based, and weapon mounted platforms.
From small, battery sized “Micro” coolers optimized for low Size, Weight and Power (SWaP) constraints and High Operating Temperature (HOT) Mid-wave Infrared (MWIR) applications, to large format, high-power applications – our coolers have long been key enablers for many flagship programs.
This family of coolers is available commercially as Export Administration Regulation (EAR) items. Designed to meet most standard Dewar interfaces, our team of experts can also support custom options.
Cryogenic Coolers Highlights
- Dual-opposed piston, linear drive architecture
- Flexure spring designs
- Integral Dewar design
- Optional internal and external drive electronics
- Customizable transfer tube configurations
- 2X minimum pressure burst-test margin
Cryogenic Coolers Specifications
| DRS2019 (Micro) | DRS2525-2 | DRS3825 | DRS3838 | DRS5050-1 | DRS5038 | 5050-2 | |
|---|---|---|---|---|---|---|---|
| Compressor Size | DIA: 1.19 in LN: 2.10 in |
DIA: 1.53 in LN: 4.24 in |
DIA: 1.75 in LN: 4.68 in |
DIA: 1.75 in LN: 4.68 in |
DIA: 2.38 in LN: 4.81 in |
DIA: 2.38 in LN: 4.81 in |
DIA: 2.38 in LN: 6.28 in |
| Displacer / Regen Stem Size | DIA: 0.188 in LN: 1.28 in |
DIA: 0.250 in LN: 2.22 in |
DIA: 0.250 in LN: 2.22 in |
DIA: 0.375 in LN: 2.97 in |
DIA: 0.500 in LN: 2.758 in |
DIA: 0.375 in LN: 2.97 in |
DIA: 0.500 in LN: 2.758 in |
| Heatload / Power / Temp | 120 MW / 1.6 W / 140 K | 160 MW / 1.6 W / 110 K | 190 MW / 5.0 W / 110 K | 230 MW / 5.0 W / 110 K | 660 MW / 18 W / 77 K | 400 MW / 14 W / 77 K | 660 MW / 28 W / 67 K |
| Ambient Temp Range | -40°C to +71°C | -40°C to +85°C | -40°C to +71°C | -40°C to +71°C | -40°C to +71°C | -40°C to +71°C | -40°C to +71°C |
| Weapon Shock Tested | Yes | – | – | – | – | – | – |
| Power | Battery Operated | – | – | – | – | – | – |
| Control Electronics | – | – | – | – | – | – | Internal |
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