Air-Treating Devices TRIZ Cases

See how a dual-path desiccant layout separates absorption and desorption zones to enable contin

See how sequential energization of blower fan, condenser fan, and compressor with current monit

See how replacing combustion engines with battery-powered DC motors reduces fuel use, noise, an

See how integrating multiple electric valves onto a single body with internal flow channels red

Bypass loops and dual heat exchangers redirect refrigerant to evacuate heat during high battery cooling demand in electric or hybrid vehicles.

See how a corrugated photocatalytic filter routes gas along ridges and valleys instead of throu

See how dual-pressure heat exchangers integrate refrigeration and thermal management to maintai

See how integrating thermoelectric elements with radiational cooling and exhaust heat exchange

See how merging three-way and expansion valve functions into a single housing reduces weight, i

See how repositioning the internal heat exchanger's high-pressure section to low-pressure level

Wheel-driven propeller heating warms cabin fluid without battery power, helping electric vehicles heat the cabin with less range loss.

A controller switches between hydrogen peroxide and photocatalytic air cleaning as contaminant levels rise, improving HVAC sanitization efficiency.

See how dual cooling ducts with carbon dioxide snow enable energy-efficient indirect cooling wh

See how segmented heating modules with integrated air guides and sensors reduce space requireme

See how a single heat exchanger merges condensation and undercooling sections using a separatio

See how holding clips with clamping and urging tongs maintain heater coil spacing in limited ch

See how a binary HFO refrigerant mixture achieves R404A-equivalent COP and capacity with GWP ≤1

See how dual air ducts with colliding flows and nested moveable vanes enable vertical and horiz

A tangential-flow turbomachine and same-plane heat exchangers cut airflow disruption and pressure drop in EV cooling modules.

See how ceiling-based plenum and duct systems direct cooled air downward to bypass cargo obstru

See how stacked flow-path layers integrate heat-emitting and heat-absorbing exchangers to minim

See how a battery-powered mechanical subcooler increases cooling capacity in transport refriger

A shape memory alloy actuator and aerodynamic vent body cut actuator and airflow noise while keeping precise air direction control.

See how movable diffuser discs with apertures enable diffused airflow and pressure relief in ve

See how a shared heat medium heater serves both cabin heating and component warming, eliminatin

See how a hook-structure heat rod with auxiliary fixing protrusions mechanically secures PTC el

See how a connecting arrangement mechanically and fluidically links two heat exchangers, elimin

See how a vehicle air vent uses Coanda effect with retractable projections to control wind dire

See how a concave helical groove paired with a double-helix heating element prevents partial-vo

See how a mesh cover with movable air dampers and link structure uses the Coanda effect to adju

See how repositioning an HVAC system from roof to vertical wall mounting uses gravity to elimin

See how positioning fluid management and heat exchange modules on opposite sides of a connector

See how a modularized refrigerant module integrates compressor, condenser, expansion valve, eva

See how inflatable members use air conditioner refrigerant to absorb shocks in cargo holds, eli

See how a thermoelectric device with flow control valve directs fluid between main-side and was

See how a lateral blocking element selectively closes sub-ducts in a slat pack to achieve maxim

See how mounting an HVAC system on a vertical RV surface uses gravity to direct water downward,

See how a vapor generator with phase separation and mid-pressure compressor injection optimizes

See how a bypass branch with thermostatic expansion valve and flow restrictor stabilizes evapor

See how an integrated valve unit enables a single heat exchanger to function effectively in bot

See how a modular refrigerant assembly integrates compressor, condenser, evaporator, and accumu

See how stacked sheet-type heating elements with nested serpentine channels reduce heat loss an

Stored electricity is converted and distributed across multiple transport refrigeration units to cut fuel use and avoid voltage mismatch losses.

See how a compressor-condenser-separator system collects leaked mildly flammable refrigerant in

Adaptive seat ventilation changes airflow paths with backrest angle and seat coverage to maintain passenger temperature and humidity comfort.

See how a bubble outlet unit with separate inlet and outlet lines removes coolant bubbles to pr

See how DC/DC converters and DC/AC inverters share one energy storage device across multiple re

An auxiliary heater and defrost branch keep cabin heat flowing while the outside heat exchanger defrosts, improving comfort and defrost speed.

Saw-toothed notches and riblet surfaces break up wall-side vortexes in a vehicle air register, cutting abnormal noise and pressure loss.

Two smaller inverter compressors and independent cooling cycles maintain roof AC performance while cutting weight, noise, and power use.

A refrigerant-cooled dash module dissipates heat from auxiliary batteries and ECUs when narrower EV grilles limit airflow.

Capacitance sensing detects ice on a vehicle ambient heat exchanger early, allowing waste-heat de-icing and steadier subzero heat transfer.

Split intake openings on both sides of the vehicle centerline improve fresh air flow while a baffle and sloped basin keep water out.

A heat exchanger reuses exhaust and recirculated air to preheat intake air, cutting HVAC energy use and reducing windshield fogging.

A raised center frame linked to a cross member boosts body distortion stiffness and limits cabin deformation under front-side impact.

A roof-mounted vehicle air intake uses layered filters and a lower discharge path to remove dust and moisture before buildup causes noise.

By nesting ventilation ducts inside a hollow cross-car beam, this case cuts package space and assembly complexity while keeping ducts stable.

A larger cover hides the fragrance container while airflow passages and removable mounting keep scent delivery discreet inside the vehicle.

A hollow center frame replaces the floor tunnel to raise EV body stiffness while simplifying air-conditioning duct routing and cabin airflow.

Two isolated supply lines let separate PTC elements heat different air paths independently, enabling flexible cabin temperature zones.

Independent coolant branch control and air-mix adjustment improve multi-zone cabin temperature accuracy without fully separate heater circuits.

Deep UV sanitization with solar charging and power-source switching keeps vehicle interiors clean without draining the main battery.

Mounting the RV air conditioner on a vertical wall uses gravity to drain water away from roof openings while preserving cooling and service access.

A one-piece molded valve uses integral flexible flaps and rigid frame sections to vent cabin pressure while blocking air, moisture, and noise.

Nested sliding ducts extend HVAC airflow to different cabin locations, reducing fixed-register clutter while keeping the air path compact.

An elastic spring clip secures heat exchanger elements against vibration while preserving assembly integrity in tight connection space.

Camera-based occupant images show the actual airflow impingement point, helping drivers aim vehicle vents precisely despite motor lag.

Biometric fatigue detection triggers targeted cabin cooling to ease mental fatigue while limiting unnecessary air-conditioning energy use.

A laterally sliding shutter works with fixed vertical blades to direct vehicle airflow accurately while cutting moving parts and cost.

A split intake opening, baffle, and sloped collection basin keep fresh air flow high while draining water away from the HVAC intake.

A removable battery pack with side-mount attachment, temperature control, and remote management keeps refrigerated containers cooling with less downtime.

Delta-based sensor readings during HVAC operation reveal mismatched sensors and valve installation errors, cutting diagnostic time.

Flow edges and steps in a vehicle outlet grille reduce turbulence while preserving air deflection and concealing vent elements.

Bonding the pre-filter, activated carbon, and membrane layers cuts installation space while maintaining stable filtration and low pressure drop.

Porous internal ducts in a vehicle HVAC air inlet box absorb motor-fan noise, especially at high power and in recirculation mode.

Remote preconditioning uses session and sensor data to enable comfort features while avoiding unnecessary climate-control energy use in enclosed parking.

Conversation cues and weather data estimate cabin humidity so vehicle defogging runs only when fogging risk rises, cutting power waste.

Blockers and air suction ports separate rainwater from intake airflow in a narrow vehicle cowl, supplying drier air to the cabin.

Remote commands let the on-board battery precool or preheat the cabin before entry, avoiding engine startup and reducing temperature wait time.

UV-activated sorbent beds and forced air circulation deactivate airborne pathogens in sealed vehicle interiors within minutes.

Selective heat exchange between the operator structure and hydraulic fluid improves comfort, fluid viscosity, and battery energy use.

Centrifugal deflection and adsorption structures remove pathogen-carrying droplets from recirculated vehicle air without filter pressure loss.

Adaptive EV cooling switches between cabin, battery, and dual-duty modes to cut energy use while maintaining comfort and battery temperature.

Temperature feedback switches backlight cooling fans only when needed, protecting display modules while reducing unnecessary energy use.

Validated utility datacasts let a smart adapter automatically control legacy PEV and EVSE charging for demand response and time-of-use programs.

An interior release opens a frunk air vent at high speed while keeping the hood latched, giving trapped occupants outside air with less latch complexity.

Waste heat from the battery, motor, and inverter is recovered through heat pump control to warm the cabin with lower electric power use.

A selectable bypass reroutes refrigerant around the accumulator to cut pressure drop and boost vehicle cabin and battery cooling.

Materially bonded prefilter, carbon, and membrane layers keep air filters compact while sustaining filtration efficiency and lowering pressure loss.

A controller triggers the trailer axle generator at a dynamic battery SoC threshold to cut TRU fuel use, emissions, and maintenance.

A shared mounting bracket joins the refrigerant module and controller, cutting wiring and assembly steps while blocking heat transfer.

Intersecting high-aspect-ratio air jets improve cabin airflow direction while keeping the instrument panel clean and uniform.

Reverse airflow and recovered reject heat deice EV heat pump exchangers, limiting frost buildup and reducing battery heating power.

A seat-integrated duct with flexible sections and UV sterilization cleans cabin air beyond HVAC intake paths while shielding occupants from harmful rays.

A controller predicts TRU power demand and battery SoC to activate axle generation only when needed, improving reliability and fuel efficiency.

Selective defrosting of the upwind exterior heat exchanger helps maintain cabin heating capacity and shorten frost removal time.

Heating and diluting supersaturated fuel-cell exhaust upstream of the outlet prevents visible plume and fog from transport refrigeration units.

A partition opening and dual air-switching members cut pressure loss in two-layer internal/external air mode, boosting airflow and heating efficiency.

A disinfection device supplies fluid and irradiates areas with invisible light to neutralize pathogens in vehicles.

Integrated fan frame supports condenser tubes with fixed and loose bearings, reducing assembly complexity while managing thermal expansion stress.