Mechanical Apparatus TRIZ Cases

Independently addressable sensors, controllers, and interfaces improve HVAC installation, diagnostics, and precise temperature and humidity control.

Humidity and temperature thresholds switch continuous, intermittent, and stop modes to dehumidify rooms without overcooling or excess power use.

Separate air-cleaning and humidification modes use a transparent droplet display while keeping the display module dry.

Sensor-driven fan speed control balances primary and secondary airflow to cut cooling and server power use in indirect free cooling units.

Building control screens adapt to user actions, location, and time patterns to improve remote HVAC monitoring and control.

A dual-surface reflector directs LED light to upper and lower transparent edges, highlighting shelf-front products and lighting the space below.

An add-on controller delays thermostat signals to duty cycle HVAC&R equipment, cutting peak demand charges while estimating energy savings.

A reflective-refractive strip lens sends light to upper and lower edges, highlighting shelf displays and laminate-column junctions without extra lamps.

Functionalized anion exchange membranes capture ambient CO2 in an open mesh collector that cuts pressure drop and compression energy.

Predefined occupied, asleep, and unoccupied states cut thermostat setup effort while maintaining automatic temperature schedules for energy savings.

Automatic preference learning and low-power query cycles help thermostats save HVAC energy without burdening users with complex controls.

Flexible display sections curve on non-parallel axes to create a bezel-free workstation surface with comfortable viewing across flat and upright areas.

Built-in low-intensity battery lighting illuminates the baby and changing area at night without bright room lights that can startle the baby.

An axial fan at the fixed snorkel duct keeps submarine air intake high with a smaller telescopic cross-section, reducing visibility and structure load.

Dynamic supercooling control uses condensing and outdoor temperature sensing to maintain high COP across changing cooling and heating conditions.

A controller returns the wind direction flap to a reference position before swing, keeping airflow within the set range after mishandling.

Offset corrugated plate layers create a stable wetted insert body that lowers flow resistance while improving gas humidification, cleaning, and cooling.

Reduced-order airflow models switch by operating regime to keep air-conditioning control accurate as room conditions and system behavior change.

A voice command manager translates natural language into controller-ready instructions, simplifying HVAC, security, and appliance control.

Injection ports and tubing deliver test aerosol to hard-to-access duct filters, enabling HEPA certification with less downtime and aerosol use.

By combining the receiver drier, expansion valve, ports, and sensors, this layout cuts under-hood parts and enables single-point servicing.

A side inlet port timed by piston motion admits economizer flow near bottom dead center, cutting compression work and boosting refrigeration load.

VOC, humidity, and pressure sensing determine when cleaned beds or stretchers are free of hazardous residues and ready for patient use.

A two-layer AC cluster control scheme uses local thermal models and coordinated actions to stabilize grid frequency without sacrificing comfort.

RF-guided signals over two-conductor HVAC wiring raise control bandwidth and reliability while cutting four-wire complexity and cost.

A compact HVAC schedule UI constrains drag edits to time or temperature, reducing confusion on smartphone touchscreens.

Gradual solenoid valve timing and inverter compressor startup curb water hammer in HFO1123 refrigeration circuits, reducing explosion risk.

Low-wattage resistors mounted on vent port brackets target icing at the flap valves, cutting heater cost and wasted electricity.

Single-level configuration and checkout screens simplify multi-zone HVAC setup, thermostat matching, and equipment connection verification.

Movable evaporative media sections let bypass air mix with cooled air for precise temperature and humidity control with lower fan power.

A spool-and-sleeve assembly is machined and tested before brazing to avoid bore distortion, cut valve manufacturing time, and lower cost.

Comparator-based flame sensing distinguishes real furnace flame rectification from leakage-current faults to prevent false shutdowns and fuel buildup.

Validating indoor unit settings against the outdoor unit cooling or heating cycle prevents invalid modes, improving comfort and energy use.

Battery-aware sleep timing lets multiple air-conditioner sensors deplete together, cutting replacement labor while preserving monitoring.

Multiple room and source temperature sensors enable more accurate setpoints, reducing controller adjustments, battery use, and uneven indoor heating.

Electricity regulation signals adjust compressor frequency and indoor unit priority to cut peak air-conditioning power while preserving comfort.

Digital processor-to-drive communication replaces analog signals to position ventilation throttle valves more precisely and resist interference.

Separate brazed fluid paths let a compact water-cooled exchanger work with air cooling, improving heat rejection under space and pressure limits.

A heat-expandable element pivots the finned core automatically, improving HVAC airflow direction with clear angle limits and scale.

A threshold-based compressor speed strategy cuts HVAC start-stop cycling while avoiding excess cooling capacity near target temperatures.

Pressure-based expansion control keeps refrigerant distribution even across branch units while cutting pipe complexity, volume, and pressure loss.

A two-stage particle sensing path lets an air conditioner detect fine and ultrafine particles without extra inlet filters or added complexity.

A graph-based remote control sets air conditioner temperatures by time zone within upper and lower limits to avoid extremes and cut energy waste.

Dynamic heat-medium flow adjustment balances total cooling and heating loads to cut power use and avoid unstable start-stop operation.

A dedicated thermal displacement conduit routes expansion water to a receptacle, avoiding warm backflow into the cold inlet and cutting standby losses.

Separate display regions show numeric settings with operation and relationship explanations, so users can understand timer meanings without manuals.

Temperature sensors replace flow meters to calculate water flow and control secondary pumps, cutting heat source system cost and energy use.

A top refill opening, peripheral gutter, and water channel let this vaporizing humidifier add water easily while reducing spills near the motor.

A separate HVAC diagnostic bus captures electrical signals, flags exceptions, and supports remote fault detection without changing the control bus.

A wall-to-fitting liquid seal removes wetted threads and O-rings, while fixed sensor spacing improves level detection and prevents dry heating.