Mechanical Apparatus TRIZ Cases

A stacked modular air unit combines purification, humidification, and dehumidification to save space, cut socket clutter, and simplify maintenance.

Natural evaporation through a pumped water channel raises indoor humidity while avoiding white powder, bacterial growth, and high power use.

Wireless access point fingerprints and device location data infer meeting room occupancy without dedicated sensors, improving booking confidence.

A branched liquid refrigerant path and gas accumulator keep HV apparatus cooling stable when refrigerant flow drops or the compressor stops.

Spatially related menu elements and ring-click input make HVAC energy-saving features easier to access without intimidating users.

Variable compressor speed set from valve capacity helps defrost faster while keeping suction pressure above low-pressure protection limits.

Sensors and controller logic regulate LN2 cooling in cargo trailers while detecting hazardous nitrogen buildup and alerting operators.

Fixed cantilever lighting shelves provide top-down uniform plant illumination while carts move freely to cut repositioning labor.

A processing circuit detects airflow direction from bidirectional pressure signals and corrects reversed hose polarity in VAV control.

An add-on HVAC controller extends fan run time and alternates blower speeds to recover residual heat or cooling while preserving comfort.

A photoionization sensor closes the loop on glycol aerosol output to hold target air concentration and avoid disinfectant waste in occupied spaces.

A single-compressor HVAC layout splits refrigerant between condensers and reheat to stabilize flow, pressure, and humidity control.

Model predictive control smooths heat-exchanger capacity in multi-zone vapor compression systems to cut temperature swings, energy loss, and comfort issues.

Power-use pattern analysis detects building occupancy without cameras or motion sensors, cutting installation complexity and energy waste.

Predictive setpoint adjustment uses load, inlet temperature, and flow changes to suppress chilled water overshoot and freezing.

Airborne dust changes in a clean room are used to detect sleep state without cameras or body sensors, reducing stress in home care.

Dynamic superheat setpoint control keeps compressor operation stable and preserves condenser subcooling under changing indoor conditions.

An external battery connector lets technicians arm and test smoke evacuators in hard-to-reach ducts without mains power.

Separating refrigerant and heat medium loops with switching valves prevents indoor leaks and cuts conveying power in air conditioning.

Cancellation probability is used to shift reduction burden among air conditioners, improving demand-response compliance stability.

Grouped indoor-unit shut-off scheduling cuts peak air-conditioning power within demand limits while reducing comfort loss in occupied spaces.

Airtight rack enclosures isolate cold airflow from warm air to cut data center cooling energy use and reduce thermal failure risk.

Selective airflow through a zoned vehicle bed cools or heats only occupied pad regions, cutting cabin energy loss and improving rest behind drawn curtains.

A fan-assisted air terminal mixes return and fresh air across a coil to limit heating stratification, cut duct size, and avoid excess airflow.

Zone-based cooling control uses room models and sensor feedback to cut data center energy and water use while keeping rack temperatures within limits.

Movable ducts and thermal partitions let server cooling zones overlap to target hotspots and maintain heat dissipation during fan failures.

A pressure-adjusting expansion valve holds optimum CO2 high-side pressure, improving cooling efficiency and stability in hot weather.

Multiple evaporators at different pressures let one outdoor unit balance refrigerant flow for independent room temperature and humidity control.

Wearable sleep-state sensing starts heating at the right wake-up window, reducing manual scheduling and unnecessary power use.

A rotatable cover and vertical PCB layout cut inlet airflow blockage while making ceiling-mounted control box maintenance easier.

A bus-linked controller network lets active climatic beams be independently reassigned by room sensors, easing layout changes and control complexity.

Pressurized gaseous refrigerant is routed through a defrosting line to melt iced evaporators without electric heaters or extra compressors.

A controller stops the leak-response fan when refrigerant concentration begins falling, cutting wasted energy while preserving leak monitoring.

An intermediary controller detects when heat source protection or defrost overrides DDC commands and compensates to keep room temperature stable.

Built-in flow and power monitoring lets fluid movement systems report efficiency on site without costly lab equipment or manual testing.

A modular control architecture uses sensor data and stored design conditions to automate HVAC adjustment and cut building energy use.

A bypass expansion path with an orifice improves sub-cooling in a stacked plate heat exchanger while limiting pressure drop and pipe length.

A binary blend of R-1234ze(E) with R-600 or R-600a cuts GWP and flammability while keeping R-134a-like efficiency in existing compressors.

A micro-switch keeps the air purifier off after disassembly until a deliberate wake-up instruction restores operation safely.

Humidity-triggered tracking mode holds room temperature near actual conditions to cut HVAC duty-cycling and stabilize dehumidification.

Optimized camera height and angles let one video system detect occupancy and control elevators, escalators, and HVAC with less added hardware.

Visual cues and automatic schedule generation help thermostat users choose efficient setpoints without complex programming.

Closed-loop CO2 circulation, dehumidification, and pressure control remove freezer frost by sublimation without drainage hardware.

A closed CO2 loop uses brine heating and thermosiphon circulation to melt frost efficiently while cutting defrost energy use and system complexity.

An insulating plastic coating blocks galvanic corrosion between dissimilar suction and throttle tubes while preserving heat exchange and reducing leak risk.

A terminal-based control setting lets users group and remotely operate multiple air conditioner units without central menu complexity.

Weather-responsive louvre closures keep roof ventilation effective while blocking rain and snow ingress with low-power natural airflow.

A programmable ORIT valve controls two-phase refrigerant flow to speed temperature changes while preventing liquid buildup and energy loss.

Bypass refrigerant injection and subcooling control keep compressor discharge temperature stable during cooling, heating, and cycle reversal.

Alternating annular electrodes and an air guide remove dust without dense HEPA blockage, cutting resistance, noise, and filter plugging.