Mechanical Apparatus TRIZ Cases

See how floor-seated multi-port discharge with independent louvers and retractable fans enables

See how a home system extracts sequential instruction patterns from user logs to merge multi-de

See how multi-split air conditioners use sensor parameters from other indoor units to maintain

A bidirectional economizer pipeline replaces complex check-valve layouts, improving heat pump capacity and reliability in cooling and heating modes.

A single actuator links valve and air guide elements so installers can tune airflow rate and discharge direction after installation to reduce drafts.

See how a management apparatus measures network quality, determines degradation levels, and adj

See how segmented enclosure design isolates electronics while exposing the sensor element, redu

See how outdoor units generate secondary addresses from primary addresses to enable dual-protoc

Pressure-sensor feedback and branch calibration improve heat medium flow estimation in air-conditioning circuits with high pipe losses.

See how cover-based display switching between enlarged and detailed screens prevents remote con

See how sequential defrosting procedures with temperature and time monitoring detect frost accu

See how surface temperature sensors and automatic space-type detection prioritize indoor unit o

See how a gas detection module with microprocessor control uses PWM signals to dynamically adju

See how HVAC systems use temperature, pressure, and power sensors with machine learning to dete

See how a sealed UV-C air plenum integrated into a lighting fixture destroys airborne pathogens

See how integrating wireless radio, processor, and memory into a single chip eliminates SA bus

A cone diffuser redirects fill-tube flow to limit cold-hot mixing, preserve stratification, and improve water heater first-hour rating.

See how automated window control uses indoor-outdoor temperature differentials to enable natura

See how molecular sieve adsorption replaces mechanical compression, separating refrigerant from

See how a ventilation system creates differential air pressure across an entrance door to lock

See how an HVAC controller detects input voltage deviations and adjusts to de-rated mode, maint

See how stepwise target temperature control across occupied and unoccupied zones prevents air d

See how a bypass collection pipe with decompression redirects absorbent backflow between regene

See how automatic water discharge and circulation control prevent dissolved-component buildup a

See how UV-C irradiation replaces HEPA filtration to remove airborne pathogens without high pre

See how multi-zone air injection with independent damper control maintains positive pressure to

See how recirculation pumps and control valves mix return and supply water at each chilled beam

See how modulating reheat valve control uses upstream and downstream temperature feedback to ma

See how a dielectric multilayer optical filter transmits safe 200–240 nm UV light while blockin

Hydroxyl radicals formed from low-level ozone and atomized alcohol enable air sterilization and virus inactivation with reduced human exposure risk.

See how a dual-pathway refrigerant recovery device uses sequential pressurization and depressur

See how an automatic opening and closing part discharges flammable refrigerant outdoors when th

See how dynamic frequency-raising with a corner frequency threshold cuts compressor startup tim

See how rigid screw fixing and pre-tightening clamping improve radiator-to-chip heat dissipatio

See how placing the adsorber and catalyst downstream of the plasma generator prevents dangerous

See how dynamic liquid outlet temperature and superheat setpoint control optimize subcooler per

See how short-range NFC communication between terminals and remote controllers reduces labor an

See how a remote maintenance server controls operation rate, set temperature, and compressor ca

A vertically movable dual-case structure shifts discharge height and outlet mode to widen indoor purification coverage and support indirect airflow.

See how segmented outdoor heat exchangers with selective compressor connectivity prevent pressu

See how porous mesh flame arrestors with >60% open area prevent flame propagation in flammable-

See how a unified stop function merges sound recognition control across multiple devices, reduc

See how dynamic HVAC setback control uses occupancy pattern prediction and preliminary action t

See how optimized gas-side and liquid-side cutoff valve leakage rates reduce manufacturing cost

See how refrigerant-type detection controls indoor fan operation only for flammable leaks, redu

See how intumescent and non-intumescent sealing sections enable fire dampers to seal tightly du

A delayed mixing tank lets feedforward valve control track true mixed-water conditions, stabilizing hot water temperature under varying loads.

Temperature-differential feedback adjusts HVAC valve position without mechanical pressure regulators, cutting cost, failures, and startup delay.

See how a portable UV sterilization box uses baffles to create a serpentine air path, extending