Mechanical Apparatus TRIZ Cases

An ejector and phase separator recover refrigerant expansion work to improve PTAC efficiency in space-limited casings.

A pre-processing module heats regeneration air before the heat exchanger to prevent frost in winter and sustain efficiency in summer.

LEDs using IR and broadband optical links enable reliable smart fixture control without invasive wiring that can damage sensitive architecture.

Occupancy-based setpoint changes cut heating and cooling waste while keeping indoor units above freeze risk and within comfort limits.

A touchscreen dial with delayed setpoint transmission reduces network traffic, avoids rapid HVAC cycling, and limits sudden temperature changes.

A rail-and-tie-rod frame mounts ad panels on traffic control cabinets without surface damage, while resisting vandalism and severe weather.

Custom display layouts can be stored in the HVAC controller and shared across wall modules, reducing reconfiguration after replacement.

An external expansion valve and on-off valve balance refrigerant across mixed indoor units, preventing circulation shortages and compressor failure.

Sensor-based room panels automatically balance temperature and air quality in each room while reducing manual intervention and ventilation energy waste.

Pressure-differential sensing tracks HVAC filter clogging and sends wireless dirty-filter alerts for timely replacement and lower system risk.

Counter-flow heat exchange and chiller cooling remove moisture while reheating discharge air, improving dehumidification without overcooling rooms.

EWMA-based normalization enables real-time comparison of feedback control loops while cutting computation and storage needs.

Asynchronous HVAC gateway reporting sends failure alerts without user intervention, enabling offline notification and remote gateway management.

Switching to wider water temperature thresholds cuts compressor on-off cycling, improving heat pump efficiency and lifespan.

Perforated plates slow cold-water mixing in the tank, preserving hot-water stratification and improving flue heat recovery.

Pivoting DIMMs redirect airflow to server hot spots from a temperature profile, reducing throttling and fan energy use.

Path temperature sensing adjusts expansion valve opening to smooth multi-zone heat exchanger capacity and reduce oscillation-driven energy loss.

Separate outdoor fan motor frequencies suppress sympathetic vibration and noise while improving air volume, pressure, and temperature control.

Rotatable split front panels redirect and meter discharged air to widen room coverage, cut wasted cooling, and avoid direct drafts on people.

A flat heating foil warms incoming air in passive façade ventilation without blocking flow, reducing cold drafts and retrofit difficulty.

Parallel-channel sensor sections route a sample airflow for more accurate HVAC measurement while simplifying extrusion and molding.

Force sensors and adaptive thresholds track filter loading in variable-flow filtration, cutting unnecessary maintenance and power use.

A cylindrical case with 360-degree suction and dual fans expands air cleaning coverage while reducing corner resistance, noise, and manual repositioning.

Redirecting fuel cell exhaust between a thermoacoustic cooler and heating unit turns waste heat into selectable cooling or heating output.

Probabilistic local control caps HVAC power demand while limiting temperature deviation and occupant discomfort across building zones.

Physiological data from a wearable triggers IoT appliance adjustments to match a user's health profile as routines or environments change.

By calculating purification duration from current and target air quality, the controller shows remaining cleanup time for more effective air control.

A membrane desiccant loop varies concentration and temperature to control zone humidity and supply air conditions without dew-point cooling.

A catalyst sleeve removes ozone from higher-output ionization, enabling modular air purification with sensor-based control.

Multi-channel thermopile sensing wakes the thermostat interface on user approach, cutting idle energy use without slowing response.

Unsaturated air supplied below plants or animals reshapes the boundary layer to improve comfort and growth while cutting climate-control energy use.

A catalyst sleeve converts ionization-generated ozone while controller-based tuning raises negative ion output for cleaner, serviceable air treatment.

A catalyst sleeve around the ionization tube cuts ozone while controller-driven ion levels improve air cleaning, sanitization, and serviceability.

Direct infrared sensing of the painted object's surface lets the booth adjust heat and airflow in real time to avoid overheating and cut energy use.

A modular fluid cooler and chiller arrangement enables stable switching between wet, dry, partial free, and mechanical cooling while cutting power and water use.

Divider plates, a separator, and bypass flow cut refrigerant charge while stabilizing distribution in microchannel heat exchangers.

A magnetic member inside the sealed motor casing redirects coil-generated fields, preserving valve motor torque and refrigerator COP.

A retrofit input plenum uses an electrostatic grid and precharging field to capture micron and sub-micron particles in residential HVAC airflow.

Horizontal laminar airflow through layered access panels keeps workspaces clean around horizontal obstructions and during enclosure access.

Integrated bus bars in hollow shelf rails cut wire clutter and simplify LED strip lamp installation while improving fit and appearance.

Dynamic supercooling and refrigerant flow control stabilize cabin temperature and humidity while limiting frost during EV heating.

Sensor feedback coordinates supply and exhaust airflow to hold cleanroom livestock buildings within tight pressure and temperature limits.

Air temperature comparison reveals a mechanically disconnected HVAC damper motor early, preventing missed free cooling and energy waste.

Modular outdoor-unit blocks cut pipe length and welding space to suppress resonance, prevent breakage, and shrink air conditioner size.

Dynamic coolant routing lets a vehicle heat pump switch modes to improve cabin heating efficiency while reducing refrigerant use and safety risks.

A perimeter RF coil and edge indicator guide RFID tag reading during inspections while electronic logging cuts manual records and compliance errors.

A reservoir, pumps, and heat exchanger circulate dielectric coolant through phase change to cool microprocessors with lower energy use and less risk.

Human-presence sensing stops the fan and extends thermo OFF time to cut air-conditioning power waste without sacrificing cooling comfort.