Air-Treating Devices TRIZ Cases

See how a honeycomb PTC heater with resin frame and cushioning material reduces thermal stress

See how a movable flap and outer drainage channel prevent water from reaching the fan or filter

See how integrating a fresh air system into the control console reduces hazardous vapors for ro

See how a heat exchange container and flow pipe create a self-driven refrigerant loop using liq

Alternating sorption and desorption units keep cabin CO2 and moisture low in recirculated vehicle air, reducing fogging and energy use.

See how a turboexpander-based air conditioning system eliminates coolant by compressing and exp

See how a compressor characteristic map and low-pressure measurements replace physical high-pre

See how closing the air duct and venting hot humid air externally dries the evaporator efficien

A foam core bent into shape and fully wrapped in FRP cuts cover weight, insulation layers, and curved-die processing for railway air conditioners.

A modular refrigerant-to-refrigerant heat exchanger cuts circulating refrigerant and improves EV cabin and component thermal management.

See how UV-transmissive fiber strands deliver 222-265 nm light between HEPA and carbon filters

See how a vehicle heat pump uses a multi-inlet compressor, nested vapor generator, and dynamic

See how offset pressing members and elements in different transverse planes provide cover rigid

See how a nested heat exchanger housing integrates a nitrogen oxide catalytic converter adjacen

Color-coded airflow indicators clarify SYNC mode discharge positions in vehicle air conditioners, reducing user confusion and false malfunction perception.

See how phase angle control synchronizes asynchronous DC loads to stabilize power systems and i

See how a modular heat exchange system merges HVAC, battery, and autonomous controller cooling

See how contaminant-level detection selects between hydrogen peroxide and photocatalytic cleane

See how a single earthing circuit connects metal elements in series through direct contact, eli

See how independent positioning of temperature sensor and inrush current switch simplifies asse

See how a single chiller and gas injection device simplify vehicle heat pump design, reducing w

See how a planar heating plate with integral sealed housing eliminates sealing gaskets, reducin

See how converting an electric motor into a generator enables variable power distribution to re

See how a remotely located energy storage device uses refrigerant circulation to cool batteries

See how periodic fan activation dilutes leaked refrigerant in transport climate control units,

See how multiple lock mechanisms distribute stress across contact points in a power transmissio

See how rib parts and protrusion parts on a register damper generate controlled vortex flows to

See how a monobloc valve distributor with straight through-ducts and solenoid valves eliminates

See how an external heat exchanger captures ambient air heat during vehicle motion to warm carg

See how a DC-to-DC converter uses waste heat from power electronics to warm vehicle fluids, eli

See how variable engine speed control enables rapid cooling mode above nominal high speed and e

See how refrigerant temperature limiting at the heating condenser inlet prevents housing materi

See how an integrated coolant system merges cabin HVAC and battery thermal control to reduce en

See how a cylindrical waveguide cavity with TE(1,1) mode microwave delivery replaces resistive

See how a bypass branch redirects refrigerant around the dual-fluid heat exchanger at low tempe

See how positioning the heat exchanger downstream of the connecting point reduces pressure loss

See how a single-chiller heat pump integrates battery cooling, cabin heating, and air condition

See how a vehicle thawing compartment uses arrival-time calculation and dynamic temperature con

See how an electric vehicle uses clutch switching to connect the propulsion motor to a cleaning

See how a dual-duct tube and fin bundle with optimized fin pitch reduces ice formation and exte

Residual water is estimated from evaporator condensation and drainage to switch between cooling and ventilation before flash fogging occurs.

See how a magnetic coupling device drives two delivery wheels through a wall barrier, enabling

See how semi-circular ribs at fluid passage peripheries balance flow and temperature across hea

See how an opening/closing valve on the branch line prevents compressor pressure rise and oil c

See how selectable master lamellas and pivotable slave lamellas enable adjustable diffuse air f

See how economizer float detection interrupts water feed when non-evaporated water accumulates,

See how a single chiller serves both battery and electrical components, recovering waste heat t

See how a single-step alumina and polymer coating reacts with aluminum to prevent corrosion and

See how thermoelectric elements merge with plate-tube heat radiating channels to rapidly heat v

See how a single Hall Effect sensor monitors all three phases of a high-voltage AC bus to detec

AI-based thermal control balances cabin comfort and driving range by minimizing energy use and calibration effort across changing EV conditions.

Automated charger profiles use vehicle data and departure schedules to precondition multiple EV cabins while reducing energy waste and SoC loss.

Coolant ribbons and a spacer plate improve cylindrical battery pack heat control while isolating assembly forces and maintaining sealing.

Preheating dielectric thermal fluid cuts cold-weather viscosity, improving EV battery circulation while reusing remaining heat for cab warming.

Force sensing in the trailer kingpin enables real-time acceleration data to optimize generator use and battery charging without extra data links.

Color-changing door and center-cluster lights show when cabin temperature is above or below the setpoint, making AC status intuitive.

Battery voltage sensing replaces vibration sensors to identify vehicle ON and OFF states, reducing battery drain and extending volatile device life.

Coordinated fan, pump, and valve control uses the highest cooling demand to prevent oscillation and extend servo component life.

By routing cabin exhaust through a hidden cab back panel section, this case avoids cargo and bed liner blockage in unibody truck venting.

Microphones detect a driver's sound position to redirect vent airflow hands-free, reducing distraction from manual climate controls.

Switching from combined heating to target-specific heat absorption prevents outdoor heat exchanger refrigerant buildup and protects heating performance.

A sliding flap meters hot and cold air before the rear mixing chamber, improving rear cabin temperature control without enlarging HVAC space.

An expanded rivet-hole interface locks the balance weight to the rotor, preventing gaps and rivet breakage under heat and vibration.

Facing condenser and evaporator units shorten airflow paths, cut thermal loss, and support front and rear cabin climate control.

Vehicle motion drives a cleaning body across the filter, enabling frequent dust removal without motors or wiring and lowering cost.

A two-stage humidity control duct uses heated and downstream absorbents to trap released moisture and keep regeneration droplets out of the cabin.

Integrated edge strips and retaining elements lock the cabin filter in place while simplifying installation, removal, and assembly.

Selective heat transfer between hydraulic fluid and the operator cabin cuts battery heating demand while maintaining fluid temperature and comfort.

Reconfigurable coolant routing lets one vehicle thermal loop heat the battery and cabin using ambient air and power electronics waste heat.

A bidirectional throttling valve lets one refrigerant circuit handle both vehicle heating and cooling, cutting valve count, cost, and complexity.

Downstream air temperature sensing lets the control unit correct heater valve opening, reducing knob hysteresis and improving cabin temperature control.

A dual-chip fluid sensor measures flow and qualitative composition in one housing, avoiding extra sensors, cost, and added complexity.

Preheating and mixing coolant before flow-path switching helps a vehicle heater core avoid temperature drop during EV mode heating.

A dash-mounted reversible heat pump shifts heat between engine and passenger compartments to preheat or precool the cabin with less battery drain.

A spigot projection shifts finger loads to the receptacle wall, reducing peg detachment while limiting tilt and vibration in vehicle HVAC motor supports.

Stepwise compressor and expansion valve control raises low chiller superheat without shutdown, preserving battery cooling and compressor life.

Targeted thermal effectors cool or heat specific body zones to keep drivers alert while preserving passenger comfort through zoned microclimate control.

Angled connecting elements create multi-side attachment space for thermal components while reducing flow and heat losses in compact layouts.

An internal splitter duct and diverging outlets lower RV air delivery noise while preserving conditioned airflow coverage across the cabin.

Adaptive control switches a vehicle electrostatic filter by air and hood-state conditions to improve cabin air quality while limiting energy use.

Routing HVAC outlet ducts through vehicle doors frees roof design space and maintains continuous treated air delivery to occupants.

Integrated refrigerant pipelines and switchable heat exchangers expand vehicle HVAC modes while simplifying assembly and deployment.

Identical upper and lower frame units simplify roof air conditioner mounting while providing stiffening, tensioning, and efficient air exchange.

VOC and particulate sensing identifies odors introduced during rental use, enabling mitigation actions and odor-related charging.

Dry cabin air is addressed by vaporizing fluid into the vehicle AC airflow, improving humidity control and driver comfort.

Interior cameras detect window opacity and trigger HVAC airflow or heating changes to clear condensation without driver input.

Selective recovery of battery and electrical-component waste heat improves low-speed cabin heating while limiting extra power use.

Controllable valves switch shared coolant loops to heat batteries in cold conditions and cool the battery, motor, and controller under load.

Camera-based brightness sensing replaces sun-load sensors to improve cabin lighting and climate response with adaptive image sampling.

Waste heat capture and thermal storage let a vehicle-coupled HVAC system cut fuel use and emissions while supplying flexible heating and cooling.

A stochastic MPC approach manages EV battery and cabin cooling across uncertain routes while cutting energy use and thermal constraint violations.

Occupant clothing detection is used with outside air temperature data to set vehicle cabin temperature more comfortably and automatically.

A branched dual-radiator loop bypasses the downstream radiator to keep cooling fluid hotter and faster for better condenser and subcooler heat exchange.

A thin-film heating layer near the surface speeds and evens warming, while temperature and proximity sensing cuts power before contact.

Two air outlets send one jet through the steering wheel gap and another to deflect it, improving driver airflow while reducing buffeting.

A spring-coupled dual valve body cuts component count and packaging space while maintaining flexible heat-transfer fluid mixing and control.

An integrated upper-lower joint module keeps coolant connected and sealed during vehicle body separation, avoiding leaks and refill work.

Shared chillers let a vehicle heat pump cool the autonomous driving controller in heating mode while reducing extra exchangers and heater power.

Timed overlap between passage and outlet openings builds back pressure for scroll sealing while limiting friction and performance loss.