Mechanical Apparatus TRIZ Cases

A controlled electrolysis and venting layout removes hydrogen outdoors while supporting indoor oxygen supply and CO2 absorption.

See how a differential pressure sensor automates shutter control to leverage natural pressure d

See how a rotatable sub-door with user-controlled transparent or opaque glass enables content v

See how separating collection and dispensation subsystems with titanium dioxide sterilization r

See how utility portals enable pre-cooling and dynamic thermostat control to reduce peak demand

See how air channel switching directs cool air through the condenser to enable dehumidification

See how integrating UV-activated photocatalytic oxidation into a display apparatus disinfects a

See how a ceiling-mounted air plenum combines low-velocity filtered air with high-velocity peri

See how a segmented handle with aligned apertures and a ribbed plug enables tool-free assembly

See how segmented front cover design resolves the contradiction between convenient filter repla

See how a copper-coated drain pan assembly uses antimicrobial copper layers to inhibit fungus,

Combining simulated HVAC experience with slower real operating data speeds RL training while improving control accuracy over time.

See how a high-level device enables remote program updates for air-conditioning equipment and a

See how a negative ion generator creates an ionized air curtain to reduce airborne pathogen tra

See how a sliding door economizer eliminates pressure drop and airflow maldistribution by fully

See how a folding leg mechanism with pivot points enables a workbench light to collapse for tra

See how networked HVAC controllers coordinate temperature, airflow, and ventilation across dwel

See how univariate and multivariate ML models analyze chiller performance data to predict fault

See how a building control system infers duct static pressure from damper position to optimize

See how a summary screen displays mode-specific working and stopped unit counts, enabling quick

See how a three-stretch heating element and dual-pipe layout enable simultaneous water and stea

See how fusing PIR motion sensors with RF transceivers overcomes line-of-sight and multi-path l

See how filtering and parameter extraction enable individual indoor unit power consumption dete

See how evaporator bypass and supply air recirculation lines optimize HVAC dehumidification by

See how infrared temperature detection across multiple refrigerant pipes enables flow-rate cont

See how integrating an adsorbent into a vapor compression cycle reduces operating pressure and

See how flow-to-delta-T mapping enables precise HVAC thermal power control in transient conditi

See how temperature-based virtual sensing calculates refrigerant charge and superheat without p

See how a bypass valve with temperature-based control relieves excessive refrigerant pressure d

See how a zone control panel reproduces device-specific interfaces on a single display to centr

See how region-specific AI models adapt building automation troubleshooting to local climate, e

See how dynamic UV irradiation control tracks accumulated exposure per person to maximize micro

See how an emergency bypass circuit with UPS-powered compressor recirculates CO2 from liquid re

See how a ventilator unit with local controller and sensors autonomously regulates airflow with

See how differential pressure and temperature monitoring across heat exchangers detects icing m

Gateway controllers rebalance HVAC mesh networks by shifting controllers between local clusters to cut hops, latency, and connectivity loss.

See how separating refrigerant and heat medium circuits with an intermediate heat exchanger pre

See how a permeable film unit uses partial pressure difference to remove CO₂ and VOCs from indo

See how pipeline temperature difference measurement detects expansion valve leakage in multi-sp

See how a CO purge system checks fire sensors and indoor/outdoor CO levels before venting to re

See how valve position signals and controller logic detect open windows in HVAC systems without

See how a polymer catcher with adsorbent placed between compressor and condenser captures HFO r

See how dynamic separation angle adjustment between horizontal blades maintains the Coanda effe

See how thermal sensation estimation for multiple detected persons enables air-conditioning con

See how a control terminal enables remote fan coil operation and automatic temperature adjustme

See how portable HEPA-filtered partitions create push-pull airflow with UV irradiation to captu

See how annular water retaining portions and an air-filled chamber prevent water from reaching

See how a segmented swing-out door assembly enables external HVAC maintenance in compact prefab

An HVAC case where a wall-coupled auxiliary coil passively cools refrigerant with ambient air, boosting capacity while cutting fan energy use.

A modular cover plate adds dual heating, temperature sensing, and switch control so electric water heaters can use alternative energy without overheating.

Varied reflection patterns on a light guide back surface create three-dimensional recognition by continuously changing light intensity based on position.

Positioning portions sandwich the light guide to maintain constant alignment with the LED, preventing vibration-induced leakage.

A luminaire reflector uses a freeform surface with spatially varying local focal lengths to direct light emission patterns away from building interiors.

A registered color filter sub-pixel architecture uses convex protrusions to redirect light back through the same aperture.

Segmented optical assemblies with light guide panels eliminate hot spots and simplify backlight unit manufacturing.

Doped organic dye lightpipes convert ultraviolet radiation to visible light, eliminating mercury hazards and low-frequency flicker from fluorescent ballasts.

Laser light couples to optical fibers in a sheet, allowing side emission for crop illumination.

Segmented quantum tubes create fold lines matching curved surfaces, improving color purity while simplifying manufacturing.

Graphite heat sinks fill gaps between light sources and reflective sheets to enhance thermal conduction.

Integrated ambient light sensor and LED lens detect compartment opening to activate illumination, eliminating battery drain from forgotten lights.

Integrating UV-C lamps with HVAC airflow eliminates airborne pathogens while sensor feedback prevents harmful radiation exposure.

Extending a light shield beyond the display region prevents leakage through reduced bezel overlap while maintaining structural integrity.

A display device uses a color conversion film and light absorption layer to manage optical emission peaks.

Integrating side-emitting and top-emitting elements on one circuit board reduces device complexity while maintaining comprehensive illumination coverage.

An air gap in the front-light module reduces noise light, improving contrast ratio and color saturation for reflective displays.

A cover plate structure combines a light-transmitting substrate with a localized light-shielding layer and a covering layer to minimize leakage.

An optical film uses light absorption members to reduce total reflection within light-guiding layers.

Positive locking secures the input shaft to stop unintentional ridge chisel carrier adjustments during mining plow operations.

A liquid crystal display device incorporates a fourth constant-voltage electrode to shield the black matrix and control viewing angles.

A diffraction grating couples light out of a light guide while an angularly selective reflective layer redirects secondary beams.

Circular segment structures scatter point-source LED light to eliminate edge hot spots while maintaining high output efficiency across viewing angles.

Integrating wavelength conversion and light diffusion within a recessed structure reduces luminance non-uniformity while maintaining a thin profile.

A light emitting unit uses a holding member to position a wavelength conversion member between the light source and an optical part.

Light source substrate cutouts align with frame attachment parts to enable flexible positioning.

Merging prism and diffusion layers into a single optical member reduces backlight unit thickness while maintaining high light-emitting efficiency.

A composite back cover uses extensible control devices to adjust curvature.

Reducing the light guide plate's peripheral thickness lowers the U-like cavity height, enabling full-sealant designs in ultra-thin LCDs.

Pushrod actuation replaces bell cranks to reduce aerodynamic drag while linear actuators drive drive tapes for precise flap control.

Rotationally symmetric joint projections extend bonding surfaces along the optical axis, increasing effective area to maintain strength in miniaturized devices.

An external drive removal mechanism extracts hot swappable drives via rotating engagement, preserving system continuity without removing adjacent units.

A rotary projection lamp uses rotating motors and corrugated transparent light disks to refract LED light into dynamic scene lighting.

Placing the camera on the backside of the liquid crystal panel reduces front frame width while maintaining image quality.

A light-guiding plate mounts alternating first and second light-emitting elements to extract light from a surface.

A thin film back light unit uses incident and reflective patterns to convert light into collimated beams for flat displays.

A decor light guide element uses an intermediate layer with lower refractive index to separate lighting and decorative functions.

Display apparatus directs light through liquid crystal panel to create localized brightness peaks, solving sunlight washout and reducing energy waste.

A backplane assembly uses a rotatable upper frame to expose the light board without tools.

Rotatable modules adjust light distribution to resolve glare control complexity trade-offs.

A backlight module design featuring a stepped plastic frame and reflective blocking walls to enhance thermal management and optical efficiency.

A charging unit with a pressure reducing valve maintains blowout preventer activation pressure during power interruptions.

Segmenting the light guide plate into independent regions maintains uniformity and resolution while serving multiple viewers in autostereoscopic displays.

A force detector uses a circuit board hole and convex parts to sandwich the sensing element for direct signal output.

Universal fan motor connector supports constant torque and airflow modes, eliminating incompatible control components.

A transcritical carbon dioxide hot water system switches between single and double stage compression modes to maintain optimal heating capacity.

A strip-shaped light guide element diffuses light from an emission source across a large input surface to create uniform illumination.

A two-end fixture constrains a display glass panel to prevent bending deformation and pixel light leakage.

Segmented light sources resolve spectral range versus tissue discrimination trade-offs.

A perovskite photoconversion layer absorbs light and emits a different wavelength range to produce white light.

Dual light engines simulate sky and sun appearance to reduce glare, maintaining thermal efficiency without water leakage or heat loss.

Concentric fluid passages cool the hollow waveguide path while maintaining laser light transmission through total internal reflection.