Mechanical Apparatus TRIZ Cases

Closed-loop oxygen control in an intermediary test space cuts preconditioned air demand, chamber size, and energy use in fuel cell testing.

See how dynamic outdoor unit control maintains minimum coolant flow rates to prevent freezing a

See how voice recognition modules in thermostats enable hands-free HVAC control, improving acce

See how baseline and fitted ESP functions detect air filter fouling in HVAC systems, enabling t

See how temperature sensors across a sub-cool circuit measure differential to determine refrige

Combining adsorption towers with a compression unit removes separate cooling equipment while recovering air and low-temperature waste heat.

See how a particle counter and feedback control system monitor and adjust air flow parameters i

See how local subzone controllers collect occupancy and thermal data to adjust temperature, air

See how device-level performance maps and health indicators enable accurate fault detection in

See how a cyclonic vessel with water injection merges purification, humidification, and dehumid

See how varying branch tube insertion depth in the header manifold aligns refrigerant distribut

See how two spaced gasket members form an intermediate pressure zone with continuous sensor mon

See how intermediate flow paths and widened spaces in an annular magnetic refrigeration module

Environmental sensors and deep learning predict HVAC faults from IAQ patterns before failures, cutting repair delays and comfort loss.

See how a zeotropic CO₂-HFC refrigerant mixture enables test chambers to reach -80°C to +180°C

See how combining PCO, CCO, and HEPA filters with magnetic safety interlocks reduces formaldehy

Integrated HEPA, UV-C, and bipolar ionization purify room air in a ceiling diffuser without disrupting airflow or adding bulky portable units.

Dual supply and return flow sensing separates infiltration effects from sensor faults, improving HVAC zone airflow monitoring reliability.

See how a CO₂-based quaternary refrigerant mixture balances low GWP, non-flammability, and free

A rotating circular LED array lets technicians verify VAV motor shaft direction from a distance, reducing ladder use, service time, and risk.

See how an internal heat exchanger with bypass expansion elements enables test chambers to reac

See how integrated temperature and humidity sensors predict condensation risk in liquid-cooled

See how a gas detection device monitors air pollution and calculates filtration efficiency decl

See how a heating and heat accumulation device enables defrosting while maintaining indoor heat

Liquid level sensing guides expansion valve control to prevent compressor liquid return while avoiding excessive superheat in refrigeration.

See how device presence clustering and signal analysis distinguish people from electronics to e

See how a ventilation fan integrates multi-colored LED lighting for chromatherapy with wireless

See how selective detection from high-priority areas adjusts evaporating temperature to improve

See how pressure reduction control lowers refrigerant pressure before cutoff valve activation t

Variable-speed pumps hold chilled water loop pressure in a sweet spot, cutting valve complexity, energy use, and maintenance.

See how a magnetic floating mechanism isolates fan filter unit vibrations in biosafety cabinets

See how perpendicular airflow past a treatment receptacle entrains evaporable vapor into filter

See how a vertical humidifier uses a stepped evaporator with fan-under-evaporator placement to

See how an AI model correlates weather forecasts with historical air conditioner data to predic

See how a routing device gathers multiple BACnet data object responses and converts them into a

See how a thermostat acting as a wireless gateway enables over-the-air HVAC software updates an

See how thermal imaging combined with wind speed, direction, and temperature parameters improve

See how additive manufacturing produces a heat exchanger as one integrated part with manifolds

See how sensor-based airflow reduction maintains dust extraction capability while lowering star

See how a UV LED photocatalyst filter with light blocking members removes 99% of bacteria and v

See how relocating the air inlet and connection portion across casing surfaces prevents leaked

See how a layout-based control apparatus merges wind direction and volume adjustments for multi

See how a sub-refrigerant circuit cools the main refrigerant between expansion and evaporator t

Adaptive room control maps sensors and actuators to cut rewiring, support remote changes, and improve building energy efficiency.

An outdoor PTAC fan generates adjustable white noise to mask ambient sounds without running the indoor fan or creating room air currents.

See how motion-level detection and illuminance sensing enable adaptive air-cleaning control, re

See how punched card identification enables secure wireless LAN connections in multi-split air

See how combining user imaging with CO2, temperature, and thermal sensors improves concentratio