Air-Treating Devices TRIZ Cases

See how dual coolant circuits with refrigerant heat exchangers reduce complexity and energy use

See how a radiation-permeable contact barrier and segmented reflector enable high-power radiant

See how a heat pump transfers thermal energy to separate high and low temperature coolant loops

See how a far-infrared heating panel replaces noisy blowers to deliver even, rapid heat to occu

See how selective fan activation based on cooling load reduces energy use and aerodynamic drag

See how a U-shaped socket with complementary grooves and wedging retention secures cylindrical

See how separate expansion devices in parallel branches enable independent refrigerant flow con

See how an open architecture HVAC module uses non-partitioned heat exchangers and blend valves

See how an exhaust gas cooler recovers waste heat to defrost evaporators and heat cargo boxes,

See how averaging temperature difference between external air and heat exchanger distinguishes

See how an integrated housing skirt around the control connector blocks water and dust infiltra

See how tensile force expands apex distance in corrugated fins to reduce pressure loss and nois

See how an electric compressor with variable-speed control enables cabin cooling without engine

See how comparing estimated and actual discharge refrigerant temperature enables early refriger

See how sound transducers detect blower noise and generate antisound pressure to reduce ventila

See how dynamic electric compressor control enables engine-off cabin cooling by adjusting speed

See how an integrated spring member combines louver support and elastic locking to reduce compo

See how a vacuum-based adsorption system with phase change material replaces compressor-driven

See how a black high-gloss masking structure absorbs and reflects light to hide technical compo

See how pressure ratio feedback adjusts compressor speed across heating and dehumidification mo

See how position-sensing radiant heating tiles provide instant localized warmth during cold sta

See how discharge pressure feedback controls electric compressor and fan speeds to cool vehicle

See how a hollow rotary shaft uses centrifugal force to distribute solution as a thin film, eli

See how radiant heating tiles with occupant position and temperature sensing provide instantane

See how a dual-component refrigerant with dynamic ratio adjustment prevents freezing at low tem

See how two pairs of pivoting flaps on separate axes enable continuous air flow direction and c

See how a flap-retaining clip with integrated wings and smooth surfaces eliminates stepped shou

See how a controller adjusts compressor rotation speed based on vehicle speed and fan rotation

See how thermal mass flow sensing and dynamic fan control maintain safe air exchange in R1234yf

See how localized vibration damping parts around the output gear reduce noise by 1 dB or more i

See how a motorcycle-mounted oven uses exhaust heat exchange and active dehumidification to mai

See how a defrost heat exchanger uses engine coolant to remove evaporator ice without running t

See how gravity-directed condensate from the evaporator cools the condenser surface, increasing

See how a hybrid system merges vapor compression with thermochemical refrigeration to boost coo

See how a stowable directional element deploys to direct evaporator airflow in open or tarp-cov

See how a ternary HFC-32/HFC-125/CF3I blend achieves R-410A performance with lower GWP and lubr

See how a cam-based rotation correcting mechanism eliminates damper misalignment in vehicle air

See how dynamic prime mover speed control based on generator voltage feedback optimizes heater

See how a unified refrigerant container performs both receiver and accumulator roles using inte

See how sensor-based temperature monitoring switches refrigeration modes between power saving a

See how an engineless transport refrigeration unit uses battery-powered electric motors and nat

See how a deep-drawn metal housing with interference-fit connection eliminates welding, reduces

See how a rotatable air guide element positioned upstream of a spherical body directs airflow t

See how flap-based air flow topology switching replaces refrigerant valves in vehicle HVAC, ena

See how status-based HVAC offset control reduces autonomous vehicle energy use during unoccupie

See how preliminary valve opening during heating-to-cooling mode transitions prevents pressure

See how metal carriers thermally coupled to power transistors eliminate separate cooling system

See how freely selectable guide slats with opposite follower alignment enable targeted airflow

See how a reversible fan and second air curtain fan reduce ambient air infiltration and tempera

A shared heat-transport circuit moves heat from a cooling-body heater to warm the traction battery, cutting separate heaters, space, and losses.

A dual-path duct and movable inlet door switch between direct and diffusion airflow to improve uniform cabin circulation in SUVs and MPVs.

A forward-facing air scoop vents trapped heat under an off-road roof panel while preserving rollover, debris, and sun protection.

A cryogenic fluid loop with heat exchanger and fan maintains perishable cargo temperature during last-mile delivery by adjusting airflow and fluid flow.

A removable blower-and-filter module delivers clean air at road machine control stations without complex integrated fume systems.

Periodic cabin monitoring detects occupants and changing temperature or CO2 in parked vehicles, then triggers climate control with low idle power.

Coupled cabin and battery heat exchangers switch between series and parallel flow to recover heat, cut power loss, and extend EV range.

Sensors trigger ventilation, heating, and cleaning when cabin gas levels stay above thresholds, reducing odors and harmful exposure.

Door-triggered battery conditioning powers heating and defrosting, blocks premature driving, and gives clear readiness messages in extreme cold.

Solar panels, batteries, and tractor electrical power keep trailer refrigeration running without a diesel generator or no-idle violations.

Hidden pivotable blades inside a rotatable carrier guide and meter cabin airflow without visible outlet controls or air channel redesign.

PCM thermal storage and switched airflow cut heat-pump circuit complexity, weight, and load concentration in vehicle heating and cooling.

Fluid from the cabin is routed to a separable drive unit to cool the motor and reuse recovered heat for cabin energy savings.

By transferring heat from the engine coolant loop to a heat pump, cabin heating is maintained in cold electric driving with less battery drain.

A virtual brake booster sensor integrates charging and discharging rates to predict pressure more accurately and reduce AC shutdowns.

Voltage sensing between the heating and switching units detects open heater elements before operation, preventing burnout and damage.

A laterally moving display knob also steers vent wings, freeing space under large cockpit screens while preserving airflow direction and AC performance.

A four-position dual-impeller pump routes cabin and component coolant loops independently, cutting vehicle thermal system valves and lines.

A scoop across one vehicle HVAC outlet redirects mixed air to another outlet, reducing temperature stratification, pressure loss, and noise.

A low-pressure chiller lets refrigerant recover motor coolant heat at lower temperatures, cutting EV heating losses to the cabin or battery.

Separable lateral casings simplify vehicle fragrance generator assembly, support part replacement, and maintain precise discharge and sealing.

A dual-impeller pump with integrated valve control replaces multiple pumps and valves while keeping cabin heating and component cooling loops independent.

Real-time battery temperature control switches between radiator-cooled coolant and AC chiller cooling to cut power use and preserve range.

Variable valves split refrigerant between HVAC and exterior condensers to hold target cabin heating and humidity in EVs and hybrids.

A nested essence-box layout removes separate fixing brackets, cutting fragrance generator size for easier in-vehicle installation.

Ventilation is adjusted from occupant count, vehicle speed, and indoor-outdoor temperature to improve cabin comfort without fixed HVAC settings.

A flow-switching refrigerant layout lets two heat exchangers share one throttling device, cutting vehicle thermal system complexity.

An integrated bracket layout locates the engine and electric machine in tight TRU space while preserving alignment, stiffness, and service access.

A vehicle camp mode uses sensor-based leveling and unified control of HVAC, lights, and power delivery to create a safe parked environment.

A vent-connected unit sterilizes the passenger compartment with ozone and mist while the vehicle is parked, enabling stronger disinfection without passenger exposure.

A rotating vent-connected unit sterilizes a parked vehicle cabin with ozone and vaporized solution without affecting travel or passengers.

Recirculated indoor air, heater-core bypass, and minimum blower flow slow evaporator warming during ISG stops to extend cooling time and cut fuel use.

Varying blow-out angles across a compact front defroster nozzle help air reach windshield ends and center for wide-area mist removal.

Vehicle data and predicted driving conditions are used to adjust sensor frame rates and modes, cutting heat and power during low-airflow operation.

Infrared sensing of cabin surfaces helps HVAC control reflect perceived temperature, not just air temperature, for better in-vehicle comfort.

When a cooling valve fails, the controller drives the pump, radiator fan, and AC blower to maximum RPM to keep the fuel cell stack cooled.

Thermoplastic resin encapsulates heater connections in automotive trim to cut warm-up time and prevent water damage, loose cables, and connector failure.

An integrated duct connecting part in the cockpit module supports larger AI-enabled center speakers without interfering with HVAC layout or function.

Integrated sliding doors zone heater-core airflow to improve temperature linearity, stratification, NVH, and airflow volume in vehicle HVAC modules.

Ram air and a venturi extract hot cargo-space air in motion, while a fan and flap maintain suction at low speed and limit rain ingress.

Integrated conductor overmolding and spacer-defined air gaps simplify compressor motor contacting while improving sealing and insulation.

Existing demand components are driven after shutdown to discharge high-voltage capacitors below 60 V without added resistors, weight, or heat.

A shared coolant loop lets the stopped engine act as a cold source for the AC condenser, cutting fan power draw and preserving battery life.

Sinusoidally spaced fan blades and a tapered end-cap channel improve air-gas mixing while reducing pressure-pulse noise in premix burners.

Battery temperature and drive mode govern power limiting and cooling split between the pack and cabin during sustained high-load driving.

Filtered UV emission and door-based control disinfect objects in a vehicle chamber while limiting plastic damage, heat, and wasted energy.

A shared cam plate opens and closes multiple vehicle fragrance cartridges, simplifying operation, cartridge exchange, and scent separation.

Outside humidity and temperature set defrost thresholds so the outdoor heat exchanger is cleared only when cabin heating gains justify battery use.

A compact 3D conduit layout boosts heat exchange area in vehicle air conditioning while preserving counter-current flow and lower-cost manufacturing.

A cabin-temperature-based blower strategy cuts NVH and power use while preserving rapid heating or cooling when conditions are extreme.