Mechanical Apparatus TRIZ Cases

See how segmenting an air cleaner into two stacked bodies resolves the conflict between upward

See how a refrigerant circuit switching valve bypasses the adsorber in heating mode to reduce p

See how location-aware cleaner dispensing prevents condensate backflow and biological accumulat

See how a drainage device moves condensed water to the heat exchanger after compressor stop, us

See how meta-learning and reinforcement learning enable HVAC systems to adapt control policies

See how automatic voltage detection eliminates manual jumper selection in gas heater controls,

See how a detachable dial thermostat uses magnetic polarity alignment and wireless induction ch

See how independent flow regulating valves and load-based control enable each indoor heat excha

See how pulsed intense light across UV, visible, and infrared spectrums overcomes penetrability

See how segmented calculation units for SOC, discharge efficiency, and facility efficiency enab

See how water source heat pumps in a common loop enable simultaneous cooling and reheating for

See how a bridging member integrates fluid passages between heat exchange parts, reducing pipel

See how detection sensors and learned user patterns enable adaptive power saving control by adj

See how direct refrigerant circulation with dynamic valve control eliminates heat transfer flui

See how a wall-embedded air purifier uses a dynamic blower guide that retracts when idle to pre

See how a downward-sloping refrigerant pipe uses gravity and pressure difference to prevent lub

See how variable-length teeth and segmented airfoil design enable precise airflow control in hi

See how a communication device postpones firmware updates based on timer function schedules to

See how real-time sensor feedback and automated performance reports enable HVAC systems to main

See how a merged UV light and filter assembly kills airborne pathogens while blocking particles

See how a digital controller monitors current and vibration data from air conditioner component

See how a liquid-to-air membrane energy exchanger pre-dries air before evaporative cooling to l

See how modified subcooling control using condenser, compressor, and evaporator temperature fee

See how a CO₂ refrigeration system uses temperature-based control valves to manage external coo

See how dual evaporators with integrated OHPs and ejector refrigeration decouple sensible and l

See how contextualizing air quality sensor data with occupancy, schedules, and operating condit

See how a physics-constrained, data-driven model with moving horizon estimation enables adaptiv

See how a BMS estimates outdoor airflow rates during transient periods using IAQ sensor data to

See how reduced-order airflow modeling combined with reinforcement learning enables real-time H

See how a coaxial-tube evaporator merges air and liquid cooling circuits to handle high sensibl

See how a dual-path air filtering unit switches between high and low efficiency filters based o

See how a server-provided data model enables one management program to handle diverse air condi

See how a capacity calculation system uses power consumption and outdoor temperature with model

See how a separate water tank and steam generator prevent mold propagation by avoiding contamin

See how opening all air supply passages upon refrigerant leakage diffuses gas across multiple s

See how a communication hole in the power line guide enables front-side sensors to detect back-

See how monitoring fan motor RPM stabilization time detects actual filter contamination levels,

See how integrated contact-device control adjusts airstream temperature and humidity simultaneo

See how integrating buffer tanks with ball, safety, exhaust, and replenishment valves into one

See how segmented coil design and heat recovery reduce airside pressure drop, eliminate condens

See how downward-projecting air suppliers deliver conditioned air to floor level, eliminating c

See how an energy storage device and multi-mode controller offset AC power costs by charging du

See how an infrared-transparent material layer isolates the radiant cooling panel from humid ai

See how a closed-loop refrigerant system uses phase-change cooling to maintain low-melting-poin

See how a dedicated air pretreatment unit decouples sensible and latent cooling to lower dew po

See how differential dehumidification sections adjust fan, compressor, and valve settings based

See how feedback-controlled current adjustment prevents overprotection and under-protection in

See how a relay unit with six-way valves replaces multiple check and solenoid valves, reducing

Occupant geo-tagged comfort and maintenance reports help building managers detect HVAC issues faster and improve comfort with targeted responses.

Automatic jumper switch detection lets a thermostat identify wall connector wiring and adjust HVAC control with fewer installation errors.

Dynamic flash tank pressure setpoints track gas cooler outlet temperature to improve ejector and parallel compressor efficiency in CO2 refrigeration.

A shared suction pipe with separate capillary feeds simplifies dual-evaporator refrigeration layouts while preserving individual cooling control.

Sidewall lamps in a refrigerator door opening light stored food only when the double doors open, improving visibility without wasted energy.

Airflow control plates and deflectors redirect conditioned air away from the infrared sensor to preserve accurate body temperature and position detection.

Distributed vents, sensors, and a controller adjust airflow to ventilate multi-story buildings without relying on large mechanically assisted stacks.

Separate PI loops tie compressor speed to space temperature and fan speed to discharge air, cutting HVAC energy waste and over-ramping.

Multiple short light coupling elements reduce glass-plastic bond stress in illuminated vehicle panes while improving curvature fit and light guidance.

An IR camera behind an LCD uses a nanostructured light guide and cut-out enhancement layer to avoid holes, lower complexity, and preserve image quality.

A beam-deflection light guide lets reflection holograms fit tight vehicle spaces while limiting color shift and supporting higher luminance.

Infrared camera integration through a nanostructured light guide window avoids LCD opacity issues and reduces optical complexity.

An IR camera behind the backlight uses a nanostructured light guide to avoid through-holes and diffusers while improving image quality.

Fiber-coupled channels and a ferrule-collimated beam shrink HMD light engine footprint while preserving multi-wavelength optical performance.

A grating-coupled planar waveguide sensor array captures angle and time-of-flight data in one compact structure for wide-field ranging.

Embedding electronic components in a light guide opening cuts keyboard thickness while a reflective sheet blocks light leakage and boosts illumination.

An edge backlight with LED beads and a shaped light guide strip adds diffused decorative lighting to wall-mounted control screens without bulky add-ons.

Dual backlight units and light control films switch a display between shared side viewing and privacy mode without major brightness loss.

Light-deflecting prisms between guide regions redirect stray light back into the light guide, improving targeted vehicle interior illumination.

A dual-layer conductive housing lets outdoor luminaires pass RF signals while adding EM shielding, weatherproofing, and thermal efficiency.

Triangular prisms and total internal reflection split emission light into two directions, improving image visibility without complex optics.

Seeded stimulated emission in a wavelength-converting optical fiber boosts projected white-light intensity while suppressing system temperature rise.

A vented canopy enclosure uses dual heatsinks and airflow paths to add wireless modules to streetlights without trapping heat.

Using multi-cell and single-cell hologram elements, this case widens guided beams while limiting optical path deviation and image blur.

A 2D prism and reflecting-surface layout guides blind-area light while reducing striped visual attraction and avoiding semi-transmissive mirrors.

Scattering particles and reflective light guides create a thin vehicle emblem with uniform illumination without changing the emblem structure.

A rotary locking structure secures the light guiding pipe to the connector base without fragile elastic latches, improving repeat assembly reliability.

Placing the receiving antenna inside a non-conductive knuckle improves Bluetooth or Wi-Fi reception while avoiding exposed external antennas.

Adjustable legs and a telescopic arm keep a portable site light stable on uneven ground while extending illumination coverage.

Different light guide hole clearances by keyboard region recycle light, brighten corner symbols, and improve illumination uniformity with low-power LEDs.

A dual-mode windshield display switches between narrow and wide emission angles so passengers can view content without distracting the driver.

LED light guides, extraction elements, reflectors, and a tuned diffusion layer create OLED-like uniform automotive lighting with lower cost.

A support member conducts heat from multiple blue and green laser diodes, enabling higher-power optical modules with better reliability.

Curved first and second reflective surfaces redirect light from multiple emitters to improve condensing and light utilization.

Reflective layers, pad hollow areas, and micro-structure regions redirect low-LED output to brighten dim corner symbols and even keycap lighting.