Air-Treating Devices TRIZ Cases

See how positioning the cold storage material container upstream from an aperture plate reduces

See how an electronic expansion valve dynamically adjusts refrigerant flow to a battery chiller

See how a club-shaped displacement body pivots in a converging duct to deflect air up to 45° us

See how a friction element between slat bearing and housing prevents abrasion and maintains con

See how a mechanically coupled valve integrates pre-exterior and passage switching units to red

See how resistance dividers and vertical communication paths in header portions equalize refrig

See how a waterproof wall with variable height and drain channel prevent water leakage from the

See how bypass lines and a buffer store maintain cabin heating during external heat exchanger d

See how a segmented delivery section with a dividing plate directs conditioned air to rear seat

See how transversely offset rib sections promote turbulence and fluid mixing in a heat exchange

See how a fan-shaped desiccant rotor rotates using thermal buoyancy from HVAC hot air, eliminat

See how a two-section evaporator with thermostatic and control valves prevents first-section ic

See how an electric TRU replaces combustion engines and R404A with electric compressors and R74

See how a drain hose uses an elastic body with a protruding portion and a hard member with hook

See how an extruded profile air outlet uses alternating outflow directions and negative pressur

See how pre-start fan activation lowers refrigerant pressure below safety limits, preventing co

See how offset suction and blowing partitioning members maintain air flow separation across rot

See how a heat-medium circulation system with programmed flow control prevents refrigerant leak

See how a composite coating with organic polymers and chromium-based mineral substances provide

See how separate evaporator and condenser flow channels enable independent temperature control

See how slotted contact plates span multiple heating chambers to reduce component count and imp

See how thermoelectric coolers replace compressor-based AC to condition vehicle air without eng

See how a cylindrical adjustment element with integrated guide sections pivots perpendicular sl

See how a counterbalanced pivot mechanism reduces flapping noise in vehicle pressure relief val

See how a five-way valve integrates flow control for heating, cooling, and dehumidification mod

See how a skin heat exchanger transfers galley cart heat to the aircraft skin, eliminating acti

See how an integral scent chamber with translatable damper maintains HVAC airflow and vane cont

See how dual axial fans on opposing sides of a thermal exchanger use coordinated push-pull airf

See how an eutectic device with dual refrigerant and cryogen circuits enables silent, low-power

See how a valve block with two inlets enables separate PAG and POE oil recharge paths, preventi

See how independent control of nozzle neck and expansion portion diameters using dual needles i

See how a centralized energy module merges separate cooling circuits to reduce system complexit

See how strategic UV-C placement in evaporator cores and air passages kills microorganisms, inh

See how a unified air conditioning loop heats both battery and cabin, eliminating separate heat

See how dual temperature sensors—one for chamber air, one infrared for food—enable zone-based b

See how a dual-duty heat exchanger merges condenser and evaporator tube banks into one assembly

See how repositioning modulator tanks from vertical to horizontal and lower locations reduces c

See how a cryogenic engine acts as a heat sink for a refrigeration system, using rejected heat

See how a flexible safety element with distance features limits heating-element movement inside

See how a universal adapter uses mechanical geometry detection and stop-piston positioning to f

See how a sliding-member and joint mechanism replaces fork-like structures to reduce projection

See how multiple projections at flow-change portions reduce aerodynamic sound by minimizing vor

See how longitudinal filter pockets replace flat walls to simplify assembly, prevent frame defo

See how a slit between conductive tracks prevents degraded PCB material from forming a resistor

See how thermoelectric devices replace vapor-cycle chillers in aircraft galleys to eliminate re

See how a rotatable control door with segmented airflow paths balances windshield and side-wind

See how a plate-based reservoir tube integrates the filling channel within tube dimensions to i

See how an integrated APU and control system automates engine shutdown, pre-heats coolant, and

See how an integrated HVAC system merges battery cooling and cabin heating using shared heat ex

See how a variable accumulator with piston control optimizes refrigerant flow and compressor pe

Two aligned fabric sheets open at the center to cut vane leak paths and improve heat exchanger inlet airflow efficiency.

A lithium-ion battery pack with inverter, cooling, and BMS replaces diesel gensets to power refrigerated containers with lower maintenance and emissions.

By placing the heat exchanger opposite the battery unit and linking it by pipe, this case improves cooling response and maintenance access.

A power converter stabilizes DC link voltage with setpoint-based feedback, preventing refrigeration load shutdowns and cargo spoilage.

A removable reduction member lets a roof vent fit corrugated vehicle roofs while preserving air circulation and avoiding extra sealing steps.

Ascending step walls with 1-1.19 mm thickness cut HVAC component weight while preserving stiffness and reducing pressure loss and airflow noise.

Waste heat from vehicle thermal systems pasteurizes condensed water while the AWG also supplies warm, dry air for onboard modules.

Connection-aware coolant routing uses the cabin unit's fluid path to cool a compact drive device without adding bulky hardware.

Variable-frequency power lets compressor and evaporator fan speed track cargo conditions, cutting recovery time, fuel use, and CO2 emissions.

A branched fluid loop redirects brake heat to the battery and motor assemblies, cutting energy waste and reducing low-temperature charging risk.

A DC-DC converter boosts alternator output to drive a higher-voltage compressor, maintaining cargo cooling even at engine idle.

Gas, pressure, particle, and blower current data enable condition-based cabin filter replacement, reducing unnecessary changes and cost.

A switchable mixing circuit routes cabin-loop heat into the battery loop to improve cold-temperature battery control without sacrificing cabin heating.

A sealed rotor-stator air box keeps turret cooling airflow continuous at any rotation angle while reducing backplane footprint and leaks.

Symmetric front and rear pilasters lock shelves during motion while allowing quick reconfiguration and airflow in a vehicle food cabinet.

Switchable screen regions keep climate controls accessible while expanding space for navigation or video to reduce touchscreen clutter.

Cooling-air slats split a large front opening to preserve engine airflow while blocking standardized body ingress during impact tests.

Biometric and context data let the vehicle infer stress, boredom, or comfort and automatically adjust cabin functions for safer, easier use.

An external coolant unit pre-cools or pre-heats an EV battery during charging to prevent overheating in fast charge and low-temperature loss.

Partitioned lower airflow paths and linked doors keep rear-seat air from picking up residual heat behind the heating heat exchanger.

Package and sensor data drive simulated vehicle cooling control to protect refrigerated goods while reducing unnecessary energy use.

Dual PT sensor feedback raises overheating-degree sensitivity, enabling more precise expansion valve control and steadier vehicle heating.

L-shaped housing grooves let vehicle filter elements slide in, lock against vibration and pressure pulses, and stay easy to exchange.

External air flushing through a switching valve clears residual scent in a shared vehicle fragrance pipe while keeping the layout compact.

Zone-specific airflow maps let one occupant adjust vent airflow without forcing all cabin zones out of automatic temperature control.

Angled insertion and blocking grooves lock vehicle filter elements against vibration and pressure pulses while simplifying replacement.

Integrating the air duct into the cross-car beam creates a direct HVAC flow path, cuts redundant material, and improves packaging efficiency.

Curved guide elements split and redirect inlet airflow to keep coolant volume flow stable at high vehicle speeds while reducing fan wear.

Independent passenger outlet doors restrict unused cabin airflow, preserving driver comfort while reducing HVAC energy use and battery drain.

An insert check valve built into a vehicle pipe connection cuts turbulence, pressure loss, and vibration noise while maintaining sealing.

CO2, humidity, and window temperature sensing adjusts cabin recirculation to cut HVAC energy use without unsafe CO2 buildup.

A movable touch control combines push directions and one- or two-finger swipes to add vehicle functions without extra switches or panel space.

A laterally fed central aspirator uses static pressure to improve cabin air intake, enabling more accurate temperature sensing and HVAC control.

Separating inlet and distribution modules across the firewall frees dashboard space and lets the cabin air filter be replaced more easily.

A separate connecting piece adapts one HVAC motor support to different vehicle volutes while also guiding cooling air to the motor and control module.

A manually pressurized reservoir and valve-controlled misting setup cools open-air vehicle occupants without wiring, pumps, or complex installation.

Contamination sensing lets vehicle cabin air cleaning run even when HVAC is off, balancing air quality with lower fuel use.

Sensors level a parked vehicle for camping while checking nearby objects and coordinating lights, HVAC, and power settings.

When EV charge drops below a threshold in freezing conditions, remaining power is redirected to cabin heating while nonessential loads shut down.

Timed after-blow dries the evaporator core after ignition off, cutting odor and condensate without a separate blower battery.

A mapped comfort controller balances radiant panel and seat heating output to match cabin conditions, improving comfort while cutting energy use and noise.

Switching between two drive reduction ratios improves HVAC door movement precision while keeping multi-door linkages compact.

A dual-loop refrigerant and coolant assembly enables multimodal vehicle cooling with lower energy use, less packaging space, and built-in redundancy.

Occupant detection shifts outlet temperature and airflow between seats to focus cabin cooling, improve comfort, and cut energy loss.

A tension groove and two-stage hook let the drain grommet deform during panel assembly, improving hose fixing force without oil coating.

A paraffinic oil and PAO blend makes cotton filter media tacky, improving airflow and contaminant capture without losing thermal stability.

A mixed wake-up scheme activates some vehicle controllers over the network and others by hard wire to cut transceiver cost and development time.

A rotatable symmetric PSU fits multiple cabin positions with one layout, cutting variant count, tooling complexity, and cost.

Redirecting condenser-heated air to the evaporator speeds vehicle heat pump startup in cold weather while enabling defrosting and filter regeneration.

A resistive heating film without conducting paths is molded into vehicle interior trim to cut bonding steps, fitting time, and production cost.