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Loop Thermosyphon Cooling System

Loop Thermosyphon Cooling System

Maintenance-free, passive two-phase cooling system without mechanical pumps. Enables zero-loss long-distance heat transport for remote thermal architectures.

Loop Thermosyphons utilize natural gravity-driven circulation of a working fluid within a closed-loop circuit. Vapor generated at the evaporator rises to an elevated condenser, releases its latent heat, and returns via gravity as liquid.

Operating entirely without mechanical pumps, the system generates zero vibration, consumes zero electrical pumping power, and has no moving parts to wear out. This delivers over 10 years of maintenance-free operation in remote infrastructures.

Technical Specifications & Performance

Operating Principle
Gravity-assisted closed-loop two-phase thermosyphon
Mechanical Pump
None required – 100% passive, zero-power circulation
Heat Transport Distance
Up to 3 meters vertical distance with zero thermal loss
Maintenance Free Lifespan
> 10 years continuous operation (zero OPEX)
Working Fluids
Eco-friendly refrigerants or high-purity acetone
Hermetic Sealing
FSW welded or vacuum-brazed joints (100% Helium tested)
Target Sectors
5G Outdoor Cabinets, Edge Datacenters, Traction Transformers