Mechanical Apparatus TRIZ Cases

See how one return-duct IAQ sensor and zone dampers detect low air quality in specific zones, e

See how flow-rate-based standby time prohibition reduces unnecessary capacity changes in heat s

See how pressure-ratio detection and expansion-valve pre-adjustment prevent abrupt refrigerant

See how coordinated defrosting control across two heat pumps prevents overlapping defrost perio

See how bi-directional valves and reversing circuits optimize refrigerant flow to modulate heat

See how network-enabled indicators output alarm information from any usage-side unit without de

See how pre-installed shutoff valves at connection ports isolate refrigerant flow paths when le

See how a motor-driven push rod enables hands-free refrigerator door opening using foot, knee,

See how modular UV-C, ion, and filter assemblies with sensor feedback reduce diverse airborne c

See how sensor-based environmental data collection and machine learning predict future occupanc

Blue light at 400-500 nm makes pale biofilm appear darker on a white drain pan, improving camera-based dirt assessment after water discharge.

See how segmented air outlets at different heights with dynamic deflectors improve cooling and

See how two independently controlled outdoor heat exchangers enable alternate defrost and heati

A double-shell hood and grooved vent outlet blocks foreign-body ingress while allowing reliable installation in any orientation.

See how freely pluggable LEDs with conductive-sheet electrification units enable parallel conne

See how slidable tube supports and dual-removal fan assemblies simplify HVACR maintenance using

See how image-based member recognition and autonomous operation data learning reduce air condit

See how wireless temperature sensors and pattern analysis enable predictive maintenance in biom

See how distributed fan control with unit-level controllers reduces main controller load while

See how CO2 sensors interpolate ventilation metrics and trigger actions to reduce airborne path

See how dynamic alarm ranking combines static priority factors with elapsed time to help operat

See how a mixed refrigerant of HFO-1132(E) and R1234ze achieves GWP of 4 or less while maintain

See how an intermediate unit with ejector pressurizes refrigerant during mixed cooling-heating

See how a superheat control evaporator in series with secondary and primary evaporators enables

See how temporary authentication codes enable secure mobile control of room HVAC appliances wit

See how ejector cooling and gas-liquid separation manage fractionation in moderate to high-glid

See how computational fluid dynamics and sensor data simulate pollutant distribution to calcula

See how a dual-fan system with selective second-fan activation prevents indoor temperature stra

See how an IAQ sensor infers occupancy from CO2 or VOC patterns to adjust sampling intervals dy

See how a three-layer filter with staggered rods, UV irradiation, and chemical oxidation increa

See how a suction assembly with venturi tube and float valves separates gas from liquid CO₂ to

See how independent fan units with variable-speed motors distribute conditioned air through duc

See how housing expansion devices and isolation valves in the outdoor unit reduces refrigerant

See how radio channel state analysis detects building occupancy without wearables, enabling HVA

See how a gateway platform integrates new sensors into legacy building control systems without

See how priority-based capacity allocation adjusts HVAC zone distribution when total demand exc

See how segmented chambers with an intermediate barrier prevent heat movement between coolant c

See how a UV sanitizer extends irradiation beyond its enclosure to sanitize large air volumes w

See how neural network-driven supervisory control dynamically adjusts chiller outlet temperatur

See how ambient condition assessment and incremental ice estimation trigger deicing only when n

A controller targets building temperature change rates while bridging smart and legacy HVAC equipment for flexible retrofits and efficient comfort.

See how a server matches user terminal location with outdoor unit data to rapidly identify malf

See how temperature-threshold feedback detects space communication and triggers power-saving mo

See how segmented sleep modes (initiation, deep-sleep, wake-up) adjust direct and indirect airf

See how a behavior-pattern model predicts stress before physiological changes occur, enabling p

See how a heat-fused glass-ceramic seal replaces polymer seals in ICCP anodes to resist thermal

See how crystalline resin with controlled thermal properties prevents component expansion and d

Dual groups of conically shaped outcoupling structures integrate collimating functions into a single light guide, eliminating bulky optical foils.

A display device frame integrates guide panels to support the display panel and optical layers for precise alignment.

A fastening device with a bearing part and clamping part secures plug-in modules in subracks.

An LCD integrates K-Si-F phosphors with an absorption dye layer to block unnecessary wavelengths, resolving insufficient color gamut in Ultra HD displays.

Segmented microlens arrays with uniform height improve light uniformity and efficiency by eliminating diffuser plates.

Elastic protrusions deform through slots to fix the light guide plate, eliminating friction-induced light spots and complex assembly costs.

Segmenting optical functions across a reflector and light guide resolves manufacturing tolerance issues while achieving compact asymmetrical illumination.

Removing spacers between the light emitting module and fixing member reduces display thickness while minimizing assembly friction.

A curved backlight module integrates a curvature fixing member with positioning structures to stabilize the diffuser plate.

A light guide plate uses segmented thickness and a positioning protrusion to align the light introducing portion with the source.

Snap-fitted optical film fixing portions eliminate back plate supports, reducing bezel width and preventing wave warping.

A light guide rod mixes RGB LED light while a convergent lens bundles the output, avoiding complex fiber designs that increase manufacturing cost.

A backlight device uses a fixing member with dual hooks to secure the light guide plate within the lower cover structure.

A pedal apparatus uses a cam mechanism to convert rotation into lateral translation.

Varying curvature profiles on the liquid crystal panel and matching frame eliminate light leakage while ensuring consistent viewing distances.

A lighting module uses a reflective plate between light guide plates to distribute light from multiple side sources.

A waveguide display uses two tunable lenses to adjust light wavefronts for precise image plane control.

Dual symmetric light guide sheets with extraction elements improve luminance uniformity while resolving angular distribution control challenges.

A viscoelastic lightguide with a nanovoided polymeric layer transports and extracts light via total internal reflection.

Asymmetric light guide patterns refract emitted light to restrict side viewing angles in vehicle displays.

A light guide member uses a diffusion groove array with inspection grooves to achieve uniform light emission along its length.

A luminaire integrates a touch-sensitive casing and rotatable lamp cover to switch image patterns and adjust brightness.

Optical assembly expands light incident area on anti-reflection coating, preventing thermal damage from dust accumulation while maintaining high transmittance.

A light guide element uses an inclined curved reflection surface to direct source light into the coupling section.

Periodic inverted truncated cone microstructures on the light guide plate redistribute light angles to reduce glare from high-brightness street lamps.

A toroidal flagpole lighting assembly uses segmented components for single-user installation on various pole sizes.

A conformal elastic film probe card contacts discrete semiconductor devices simultaneously to enable rapid optical and electrical characterization.

A transparent light guide plate integrates a fine pattern for unidirectional emission with a protective guard ring to block impurities.

A Bluetooth-enabled LED lighting control device allows wireless remote operation of outdoor fixtures without requiring an internet connection.

A planar electrostatic actuator uses interdigitated teeth and a motion control flexure to enable coplanar rectilinear movement of the moveable frame.

A light-emitting film uses quantum dot nanoparticles embedded in a polymer binder to generate white light.

Varied photonic structures in an input coupling grating optimize diffraction and reflection efficiencies, reducing losses from large pupil sizes.

Clamshell visor integrates LED light guide with circuit board to resolve manufacturing complexity while maintaining energy efficiency.

Sliding the lens cylinder within the chip receiving cylinder adjusts the irradiation range without replacing units, reducing maintenance complexity.

Pixelated mold manifold adjusts discrete region temperatures to propagate injection material into micro features.

Segmented transmissive support posts secure countertops without drilling into light-guide panels, maintaining uniform diffuse illumination.