Air-Treating Devices TRIZ Cases

See how magnetic particles and high-conductivity additives in heat transport medium improve hea

See how adjustable coolant flow rates enable unified heat dissipation for EV motors and air con

Auxiliary battery heat is routed through a transport medium to preheat the magnetocaloric element, improving low-temperature startup and heating.

Controller-based fan and compressor speed reduction cuts vehicle HVAC noise near structures during idling while maintaining cabin temperature.

Warmer recirculation air is injected into turbine-cold airflow to prevent condenser icing while shortening aircraft air-conditioning hardware.

Pressure- and temperature-based safe purging removes non-condensable gases with less refrigerant loss while a dip tube improves tank heating.

An ejector-based refrigerant circuit lowers exterior evaporating temperature to boost outside heat absorption and maintain heating capacity in cold weather.

A movable internal wing balances twin air channels to steer airflow while reducing dust buildup, noise, and cleaning difficulty.

Perpendicular support plates and louver fins boost air-side heat exchange while reducing heater thickness and overheating risk.

Nebulized water injected into blower-driven cabin airflow cools and humidifies rear passenger air with low energy use.

Outwardly open housing recesses filled with air or foam raise thermal resistance, cutting vehicle heater heat loss without sacrificing flow space.

A deicing pipe and dual expansion elements keep the internal heat exchanger heating while the external unit is defrosted.

Closed-loop control limits refrigerant mass flow from engine RPM and fuel rack data to avoid stall and overload while preserving cooling.

Hot gas switching and sensor-based frost detection cut unnecessary vehicle heat exchanger defrosting, power use, and cabin cold air.

Detects icing on both the outer heat exchanger and accumulator, then uses hot compressed refrigerant to defrost only when needed.

Controllable airflow paths let one refrigerant circuit heat and dehumidify cabin air efficiently at low ambient temperatures.

A two-part heat exchanger housing uses heat-resistant material only in high-load zones to cut cost while maintaining flow routing and heat transfer.

A liquid heat-transfer loop links the refrigerated compartment and cabin heat exchanger to cool the truck cab with lower energy loss when the engine is off.

Alternating intake and exhaust flow paths through a vehicle heat exchanger prevents condensation and uneven temperature distribution.

A recirculating circuit purges vapor from service hoses before weighing, improving refrigerant charge accuracy in serviced systems.

A helical flow channel around a heated screw core extends fluid residence time while keeping pressure loss low and heat distribution uniform.

Waste heat from a thermoelectric cooler is routed through a heat pipe to drive absorption cooling, improving efficiency and ramp-up time.

Periodic ECU activation lets a transport refrigeration controller read engine sensors during Start/Stop modes while cutting fuel use and battery drain.

Integrated compressor electronics use bus communication to control evaporator temperature with less wiring and simpler vehicle AC assembly.

A curved inlet channel creates fluid swirl to boost vehicle heater heat transfer while limiting pressure loss at high flow rates.

Timed switching gives the seat heater priority first, then powers the door-panel radiant heater to warm occupants without exceeding vehicle capacity.

A heat sink routes switch heat into the vehicle heating fluid, preventing overheating while improving cabin heating efficiency.

Multiple throttling and bypass paths keep evaporation pressure in check, preserving dehumidifying heating at intermediate outside temperatures.

Exhaust-air heat exchange in a vehicle water chamber preheats or precools fresh air to cut HVAC energy use and protect the air filter.

A pot-like housing separates waste gas and heat-carrier connections to simplify assembly, reduce thermal stress, and preserve heat transfer.

Separate PAG and POE oil paths in one valve block prevent contamination and compressor damage during refrigerant service.

A refrigerant bypass and three-way valve suppress heat exchanger frost during heating while cooling the hybrid vehicle charger with lower power use.

Adjustable dual airflow paths and indoor heat exchangers recover thermal energy from exhaust air, cutting vehicle HVAC ventilation losses.

Containment caps isolate the desiccator during receiver brazing, preventing humidity pollution and reducing leak risk in AC circuits.

Integrated flow guides also create the press fit between heat exchanger housings, improving sealing, assembly, and heat transfer.

A solid thermoplastic fin conducts heat from battery cells to a cooling plate, improving cell cooling efficiency and lifespan.

Hollow spaces and insulating sections let one selector valve route hot and cold coolant while limiting heat transfer, size, cost, and power use.

CAN messages keep keyswitch and run signals active so a transport refrigeration engine can complete startup despite low battery voltage or ECU reset.

A curved slot and hinged deflector extend airflow redirection in extreme vent positions while maintaining more uniform outlet speed.

A joint pipe with ribs, flanges, and a gap blocks impact force at the housing wall to prevent cooler damage and refrigerant leaks.

Active louvers built into the engine compartment carrier regulate cooling airflow, speed engine warm-up, and cut part count and drag.

Segmented air guide elements keep vent flow cross-section stable, cutting pressure loss and noise during air deflection in vehicles.

Reducing compressor displacement before clutch engagement smooths vehicle A/C mode changes, cutting torque shock and engine load.

An ejector mixes refrigerant from independent zones to raise compressor suction pressure and mass flow in low-temperature transport cooling.

Movable side seals switch airflow between condenser and radiator to balance HVAC heat transfer and engine cooling under changing vehicle loads.

A partitioned indoor heat exchanger handles cooling and dehumidifying in one layout, cutting valves, pipe length, pressure loss, and NVH.

A centralized energy module merges battery, electronic, and HVAC cooling to cut heat pump size, weight, noise, and vibration.

A battery heat exchanger placed between two expansion elements enables EV battery cooling and heating without separate electric heaters.

Adjustable suction and throttling cut exhaust air volume and pressure loss while maintaining demand-based vehicle cabin ventilation.

A perpendicular-flow screen layout expands filter area in a compact receiver drier, extending service life without disrupting refrigerant pressure.