Compression Machines TRIZ Cases

See how a CO2/R-32/R-1132a ternary mixture achieves low GWP and weak flammability while operati

See how recovered hydrofluorocarbons are purified via distillation and blended with low-GWP hyd

See how a four-component refrigerant blend achieves GWP ≤350 while retaining ≥80% R410A capacit

See how a CO2, R-1132a, and R-32 blend achieves low GWP and flammability while matching R-23 pe

See how a flexible bellows and sheath mechanically isolate the dilution circuit from cryogenera

See how concentric welding of drain and working tubes forms a throttle perforation, reducing pr

See how formula-based pipe diameter selection balances flow velocity and pressure loss in air-c

See how a mechanical cold finger with inert gas atmosphere replaces liquid nitrogen to achieve

See how dynamic frequency control limits compressor power during cooldown while enabling higher

See how corrugated hose geometry, elastomer fillings, and optimized OD/ID ratios reduce void vo

See how a hybrid refrigeration cycle integrates vapor compression with metal-organic framework

See how HFO-1123 blended with other hydrofluoroolefins reduces global warming potential and com

See how a magnetic spring replaces mechanical springs in cryocoolers to eliminate side forces,

See how a closed-loop cryocooler and heat transfer fluid eliminate temperature stratification a

See how alternately stacked cold and hot side plates with branch flow channels prevent pinch po

See how a spring-type partitioning element enforces volume flow through the regenerator, improv

See how a sealed heat exchange medium container with magnetic fluid seal enables rotation and c

See how 1,2-difluoroethylene resolves the contradiction between ozone protection and global war

See how external pressure application to bellows enables high-pressure cryogenic pumping, reduc

See how a lower-opening disassembly method enables replacement of abraded scotch yoke guides in

See how temperature-based start-stop control reduces cryogenic refrigerator driving energy whil

See how an ejector uses equalization and drain passages with a pilot valve to prevent pressure

See how rare earth oxide and SiO2 coatings protect cryogenic pump components from water vapor a

See how fixed differential expansion valves and temperature-based control replace high-pressure

See how a servo piston and sequenced venting path resolve the contradiction between safe high-p

See how a cryocooler-based cryostat with evacuated outer chamber replaces liquid cryogens, redu

See how a trans-critical CO2 cycle with thermosiphon circulation achieves 100 K temperature lif

See how binary HFO-1234yf and HFC-32 compositions achieve zero ODP and low GWP while maintainin

See how blending HFE-7200 with methyl perfluoroheptene ether achieves low GWP and phase stabili

See how forced cooling of the radiator at the high-temperature end reduces cool-down time in pu

See how a two-stage freezer and flexible pipeline design prevent air-component clogging in heli

See how integrated heating and ignition-proof design enable safe R290 refrigeration in outdoor

See how a secondary inlet with integrated swirl generator increases vortex tube temperature dif

See how vertical heat exchangers decouple pulse-tube vibrations, deliver cooling power below 20

See how trifluoroethylene mixed with stabilizing components suppresses self-decomposition under

See how dynamic thermal coupling between cooling stages balances fast cooldown and helium tempe

See how rare earth oxysulfide particles with surface recesses increase helium contact area and

See how controlled thermal decoupling between cooling stages reduces cooling time while maintai

See how compressed humid air condensed in subsurface copper pipes produces water at low cost us

See how a pre-cooling chamber and sample transfer mechanism reduce cryogenic cooling time from

See how adding CF3I to CO2/R-32 refrigerant mixtures prevents flammable fractionation during le

See how variable cycling and thermal switching modes enable stable, continuous sub-Kelvin cooli

See how pseudo-saturated pressure calculation and dynamic valve control sustain subcooling in t

See how a mixed refrigerant of CF3I and R32 in specific mass ratios achieves low GWP, high COP,

See how a heater maintains the first cooling stage at an intermediate temperature to balance co

See how a mixed refrigerant composition combining CF3I, CO2, and HFO compounds achieves R410A-e

See how thin-walled sub-cavities with capillary pressure equalization enable helium to serve du

See how a Stirling cycle device with offset-rotor working chambers and regenerator eliminates r

See how a mixed refrigerant composition combining R-744, R-1234yf, and R-13I1 achieves high COP

A ternary HFO-1234yf, HFC-134a, and HFC-32 blend cuts GWP while supporting counterflow refrigeration with lower pressure and stable heat transfer.

High-pressure gas routed to the drive shaft housing space cuts motor torque load, prevents sync loss, and preserves cryogenic cooling efficiency.

High-pressure mixing of liquid CO2 with a carrier medium avoids particle coagulation, enabling stable low-temperature cooling and CO2 reuse.

A quasi-closed Stirling drill drive sustains percussion drilling in deep hard rock with high pressure tolerance, lower wear, and no exhaust gas.

A two-area drive shaft uses assist-space pressure to cut displacer driving torque without enlarging the cryogenic refrigerator.

Temperature feedback drives eight independent valves to regulate gas flow and phase, keeping pulse tube refrigeration stable as conditions change.

Using HFO-1123 as a heat-cycle working medium cuts combustibility and environmental impact while maintaining strong cycle capacity.

A dual-circuit IDCA combines rapid Joule-Thomson cooldown with low-flow temperature maintenance to extend cryogenic sensor operating time.

Interconnected pistons and countercurrent heat exchangers enable multi-stage gas compression with fewer mechanical losses and less external sealing.

A heat pipe links the first and second cryocooler stages to transfer higher-stage cooling power and shorten cool-down of large thermal masses.

Thermal load testing tracks temperature or pressure changes in a refrigerator to schedule maintenance before capacity loss causes downtime.

Natural convection lets CO2 bypass compression in free-cooling mode, cutting energy use while maintaining effective cooling.

A tapered helical groove on the second-stage displacer creates a virtual gas piston that cuts refrigerant leakage and improves cooling efficiency.

A ternary heat transfer fluid replaces R-410A with lower GWP, lower compressor pressure, and compatible refrigeration performance.

A ternary HFO-1234yf/HFC-134a/HFC-32 blend cuts GWP and pressure drop while maintaining stable, efficient counterflow refrigeration.

A second low-pressure pipe with flow resistance and a valve balances pressure waves to suppress secondary flow and preserve cooling capacity.

By embedding the expander in the compressor, this Stirling cryocooler cuts sleeve heat leakage while shrinking size and weight.

A TED sub-cooler boosts liquid refrigerant cooling for rapid compartment pull-down, then switches off to avoid extra energy use.

Self-seal joints let pulse tube refrigerator filters be serviced without warming the system or substituting gas, cutting downtime.

Varying fiber diameter and porosity along the regenerator improves cold energy storage, heat transfer, and refrigeration capacity.

Axial alignment of the piston, mover, stator, and cylinder shrinks Stirling cooler diameter while limiting copper loss and eddy currents.

Separating the coldhead from the acoustic driver with a tuned long tube preserves resonance, cooling capacity, and low vibration.

Angular, non-coplanar connector welding in a coaxial auto A/C heat exchanger improves sealing, limits solder penetration, and saves space.

A removable cold storage cartridge prevents contamination-related blockage, cuts maintenance cost, and reduces vibration in pulse tube cryocoolers.

Thermal bridges, sleeves, and spacers match pulse tube and regenerator temperatures to cut helium convection losses in MRI cryostats.

A separate cryocooler housing cools the NMR probe head and cryostat while reducing vibration, magnetic disturbance, and cryogen loss.

Rubber sleeves, open-cell foam, and a bleed air hole cut vortex tube noise while keeping enclosure cooling clean and debris-resistant.

A series second- and third-stage pulse tube layout delivers three cooling stages with fewer tubes, reservoirs, and vibration sources.

Discrete refrigerant bursts and efficiency sensing replace vibration-sensitive weighing to find the optimal vehicle AC charge.

A split shroud and support rib straighten J-tube inlet airflow to block water and fine particles in aircraft pack bearing cooling.

Continuous liquid CO2 circulation keeps temperature below 31.1°C, prevents gas formation, and enables accurate filling measurement.

A cryocooler-linked insulating conductor path cools superconductor connectors while limiting heat-soak, I2R loss, and high-voltage isolation issues.

Ram air drives a shaft-coupled turbine and compressor to pull outlet pressure below ambient, boosting aircraft cooling without external power.

Concentric flexure stacks share one magnetic structure to cut cryocooler package size while resisting cantilevered mass sag and preserving alignment.

A spiral-wound tube packs high- and low-pressure refrigerant channels into one sealed structure to cut size, simplify assembly, and reduce leaks.

Annular protrusions and matching recesses in the cryocooler expansion space increase heat exchange area while reducing pressure loss.

Lowering evaporator fan speed as tank water temperature rises helps suppress high-side refrigerant pressure and keep heating stable.

Diverted warmer refrigerant and buffer valves cut cryogenic heat exchanger warm-up from days to under an hour while limiting compressor mass flow.

A mixed R32, R1234yf, and controlled R125 blend lowers HVAC refrigerant flammability and GWP while preserving performance.

HFO-1123 blended with HFC-32 suppresses combustibility, lowers global warming impact, and maintains heat-cycle capacity.

A deformable fluid conduit lets a Stirling cooler maintain efficient chamber transfer with larger clearances, cutting seal complexity, cost, and wear.

Hot compressor discharge gas is diverted to warm a cryogenic heat exchanger array faster while avoiding excessive mass flow and faults.

A split regenerator places high-specific-heat magnetic material in the core and lead at the edge to improve ultralow-temperature cooling with less costly material.

Gas expansion automatically separates a cryostat cold head from the cooled object after cooling failure, cutting heat input and delaying quench.

Carbon-based anisotropic layers in a cryocooler regenerator cut axial heat leakage while spreading heat laterally to preserve cooling capacity.

Pressure control above the zero-expansion curve lets helium cool below 2.17 K during expansion, enabling stable superfluid cryocooler operation.

A thermosiphon cryocooler cools superconducting field windings while nested torque tubes cut space use, heat loss, and cooling complexity.