A single-piece retainer, spring, and threaded end prevents rubbing in cryogenic cooler pistons, reducing debris and seal side loading.
Temperature feedback adjusts fan speed from refrigerant-to-ambient difference, reducing electrical use while maintaining stable heat rejection.
See how series-arranged bellows with external pump chambers achieve high discharge pressure for
See how a vortex tube separates compressed gas into hot and cold streams to maintain field devi
See how temperature sensors and superheat degree comparison enable reliable refrigerant circula
See how identical-length flow paths distribute gas evenly across the regenerator cross-section,
See how a draft tube inside the regenerator blocks lateral flow paths, reduces bias-flow, and e
Replacing passive anchor tubes with load-bearing heat pipes supports refrigerant tubes while improving heat removal and limiting leak risk.
See how scaling cryocooler components for 100 Hz operation matches CMG disturbances, reduces li
See how relocating the measurement hole to the mechanical chamber side enables sensor access wi
See how a nested magnetic shield case and reduction mechanism protect cryocooler motor torque i
See how axial alignment of compressor piston, pulse tube, and balancer simplifies vibration com
See how carbon-enriched rare earth regenerator particles suppress oxidation and extend cold hea
See how a 45-degree angled micro-channel condenser draws heated and fresh air to cool the compr
See how a turbine-type generator replaces costly linear generators in thermoacoustic systems, u
See how radially arranged conduits in a rotating rotor extract work and cool pressurized gas at
See how dynamic frequency and power adjustment using temperature and humidity sensors optimizes
See how a single Stirling compressor with multiple expanders independently controls dewar tempe
See how a thermodynamic storage system uses pure water ice at 0°C and ice slurry at ≤−40°C to s
See how controlled hydraulic diameter, open area ratio, thermal conductivity, and heat capacity
See how adjustable fastening force with stroke control resolves the contradiction between cooli
See how dynamic frequency modulation of cyclical gas pressure, guided by real-time pressure fee
Pressure Gradient Waves move thermal energy through a compressible fluid, combining high-pressure heating and low-pressure cooling without separate devices.
See how a reciprocating displacer cryocooler circulates refrigerant gas to cool superconducting
Two-phase loops let building zones heat and cool simultaneously, reducing reheating waste and improving heat transfer efficiency.
See how a two-phase refrigerant loop enables simultaneous heating and cooling across building z
See how a titanium flexure link with flat faces accommodates misalignment in cryocoolers, reduc
An enclosed helium loop transfers heat from superconducting MRI magnets and re-condenses it with a coldhead, avoiding external liquid-helium supply.
See how phase modulation with orifice valve and gas reservoir reconfigures gas expansion in the
See how eight independent valves with temperature feedback replace rotary valves to regulate ga
Fan-only defrost deactivates the compressor while directing air across the evaporator, reducing energy use without added heating elements.
See how variable-speed expander control and gas storage maintain constant compressor power and
See how an ejector-based cryogenic system uses dual loops and Venturi effect to recover cold en
Compressor-capacity timing detects gas loop operation despite faulty pressure or temperature readings and guides pressure adjustment for more efficient cooling.
See how a two-stage compressor uses metal bellows to separate gas and liquid volumes, preventin
See how molecular sieves, ion exchange resins, and copper alloys sequester iodine and iodide io
See how a two-stage cryocooler cools both superconducting magnets and RF coils using sapphire t
See how a controlled non-azeotropic refrigerant mixture with tetrafluoropropene prevents negati
Fluorinated and inorganic refrigerants are mixed in liquid phase under controlled pressure and temperature for homogeneous, high-speed circuit charging.
A helium gas and liquid recirculation circuit enables rapid, continuous cooling below 1 K while easing specimen placement and limiting radiant heat transfer.
See how a turbine-shaft design replaces linear generators in thermoacoustic systems to cut cost
See how heat pump cooling condenses moisture and VOCs from drying oven air, then reheats it for
See how binary 2,3,3,3-tetrafluoropropene and difluoromethane compositions achieve zero ODP and
See how vortex tube cooling replaces fan-based systems to enable sealed, dustproof, and explosi
See how blending HFO-1123 with hydrocarbons suppresses combustibility, lowers global warming po
See how water ice slurry at 0°C and sub-zero ice slurry enable constant-temperature phase-chang
See how a composite refrigerant mixture of HFO-1234ze and HFC-134a with POE oil reduces solubil
See how blending R32, R125, and R1234yf in controlled ratios reduces flammability and global wa