Mechanical Apparatus TRIZ Cases

See how dynamic communication frequency adjustment based on equipment state reduces communicati

See how a gas sensor shares an existing audio hole with microphone or receiver to enable air qu

See how on-off valves, fan-driven pressure equalization, and expansion valve control prevent li

See how adaptive refrigerant evaporation temperature control balances heating humidification an

See how a neural network inference engine uses temperature, humidity, and CO2 data to infer acc

See how AI-based position detection and learning models direct air flow to occupants, reducing

See how a manual expansion valve with isolation valves enables rapid HVAC restoration when auto

See how evaporator coil temperature feedback controls fan speed to prevent freezing and reduce

See how a single expansion valve regulates both superheat and pressure in CO2 refrigeration, re

See how separate environmental data for indoor and outdoor air conditioner units enables precis

See how automated applicant data verification against grid operator records reduces manual revi

Independent fan switching keeps exhaust velocity high in energy recovery mode, preventing stall while supporting economizer airflow.

See how multi-parameter physiological monitoring replaces temperature-difference estimation to

See how sensor-based air routing activates filtration, UV-C irradiation, or exhaust pathways to

See how an absorption chiller prevents freezing damage during wet lay-up by circulating heating

See how pulsed water flow through hydronic emitters limits floor temperature while raising room

See how infrared radiation detection at 5-80° angles enables air curtain systems to respond to

See how storing function information in the air conditioner enables dynamic screen generation,

See how Bayesian topic modeling forecasts home occupancy from sparse event data across users to

A housing-linked mechanical lockout forces the disconnect switch off and blocks re-energization when a rooftop exhaust fan is opened for maintenance.

See how a concealed fastener and aligned-bore locking mechanism secures thermostat battery comp

See how combining feedback and feed-forward control adjusts expansion valve position based on l

See how an absorption chiller circulates heating medium through the regenerator to prevent cool

See how capillaries with distinct flow resistances replace switching valves to adapt refrigeran

See how flow straightening parts cover electrical box flanges to smooth air flow and reduce tur

Multiple IAQ sensors coordinate HVAC and separate mitigation devices to control humidity, particulates, VOCs, and CO2 with lower energy waste.

See how extracting the antenna outside the metal housing via cable enables reliable LPWA wirele

Shared circulating water and mode-based refrigerant control cut HVAC energy use while preventing low-temperature pipe freezing.

See how an electronic latch system uses a conductor to control HVAC door locks without metal th

See how open circuit refrigeration with pump-driven liquid recirculation eliminates compressor

See how a dual-mode controller switches between fixed-valve and variable-valve operation to red

See how segmented auxiliary reservoirs, Venturi mixing, and selectable 12V/110V power enable fl

See how alternating refrigerant flow between freezing and refrigerating compartments stabilizes

See how automatic sensor-damper mapping and neural network matrix optimization eliminate manual

See how a segmented heating assembly and vertically mounted fan prevent water exposure and corr

See how a bypass circuit and heat exchanger inside the refrigerant container reduce pressure lo

See how sampling phase-coil voltage during off-periods and accumulating conversion values elimi

See how dynamic air blow control adapts to sleep state and body temperature rhythm to reduce no

See how a membrane separation system uses sweep gas partial pressure gradients to remove CO₂ wi

See how a hinged two-portion control box enables safe single-handed access to RVAC electronic p

By comparing indoor and discharge air temperatures during active cooling, the controller flags improperly installed HVAC DAT sensors.

Dual PID and fuzzy control raise compressor frequency and manage electric heating to warm cold rooms faster with better efficiency.

See how a retrofittable UV sanitizer uses pressure-switch activation and light baffles to disin

See how liquid and gas side bypass pipes maintain suction pressure during pump down, enabling c

See how axial fan placement and top air intake improve filtration efficiency and air flow unifo

Segmented adhesive layers protect LED contacts from moisture while maintaining light transmission through the light guide plate.

Circuit pattern film attaches to curved accommodating member sidewalls for backlight light source electrical connections.

Side-entry lighting via total internal reflection improves contrast and uniformity in transparent displays.

LED illumination system with controller gradually increases light intensity to mitigate fish stress and accelerate growth rate.

Segmenting the notification light into background and patterned portions overcomes limited LED color ranges, improving alert distinction in bright sunlight.

A transparent light guide layer enables simultaneous multi-fingerprint capture across the entire display surface.

A mechanical-optical device directs electromagnetic radiation through adjustable lenses to form uniform beams with arbitrary geometrical shapes.

An interlayer mixing layer bonds first and second color conversion layers, resolving insufficient adhesiveness from heating lamination.

Integral spacers separate waveguides to prevent light leakage and improve image quality.

A lighting device uses a flat light guide to distribute photons from local supply zones into predefined angular sectors for controlled emission.

A backlight assembly uses spaced microstructures between peep-proof and light adjustment layers to control viewing angles.

A light emitting module uses sectioning grooves and light adjusting holes to correct luminance distribution across the emission face.

Exhausting passages and adhesive through holes evacuate residue air from the containing space, increasing adhered area and adhesion-bonding strength.

Strategic placement of an anti-reflective layer above or below surface relief grating ridges reduces glare while preserving diffraction efficiency.

A backlight unit plastic frame uses a hook mechanism to secure the heat-dissipating plate.

Anchor opening in planar waveguide body mounts sensor to resolve visual distraction and mounting reliability contradictions.

A reconfigurable foot clip uses a rotatable interface to secure a user's foot on a bicycle pedal in multiple orientations.

A substrate-mounted diffractive optical element collimates laser beams into structured patterns.

A light guide film with hollow ultrastructures guides light through internal conduction reflecting surfaces.

Inclined diffractive gratings expand the field angle spectrum in a single waveguide, eliminating complex multi-guide structures.

A tripod lamp integrates a telescopic bracket and storage structure to house the lighting assembly when not in use.

A light consolidation assembly merges multiple light sources into a single output via converging branches.

A braking ring drives foldable pedals through a gear-rack mechanism for synchronous folding.

Segmented encapsulation zones isolate light emitting units from sulfur, preventing metallic discoloration while maintaining quantum dot stability.

Dummy leads occupy space between LED packages, reducing printed circuit board width and production costs.

Thermally conductive sheet metal fixtures dissipate heat from LED junctions, reducing reactive power and extending operational lifespan.

Electro-optic tunable lenses replace mechanical actuators to adjust beam direction electronically, eliminating manual operation requirements.

An oblong wall mount bracket conceals electrical wires through internal ports while enabling multiple fixture orientation options.

A reflecting member captures stray light from a light guide side surface to redirect it back into the optical path.

A defining member spaces a light source from a light guide member to maintain optical transmission paths.

Nested light guide bodies share light between adjacent fibers to resolve gaps in turn signal continuity while maintaining legal emission directions.

Bi-level LED fixtures deliver high-intensity task lighting for maintenance workers without distracting train operators during normal operations.

A backlight module light guide plate redistributes light from multiple sources to achieve uniform emission across keyswitches.

Asymmetric roller system molds uneven-thickness films, resolving device complexity and precision trade-offs in light guide manufacturing.

A light switch thermostat harvests energy from junction box wiring to enable wireless HVAC zone control without battery constraints.

Intermediate diffraction grating shifts light beams to align with the exit circle, correcting uneven brightness at corner regions.

A diffuser optic with microlenses homogenizes LED output to eliminate bright spots caused by misalignment.

A multi-layer liquid crystal display uses stacked polarized layers to control light transmission and improve luminance.

A programmable base controls dynamic illumination sequences for laser etched acrylic panels using a microprocessor and removable storage medium.

A hybrid power transmission apparatus uses an output clutch and drive changeover clutch to switch between shaft states.

Bent side plate portions constrain the light guiding plate position within a liquid crystal display apparatus.

A separate insulating element establishes an air gap that isolates electronics from high-voltage surges while maintaining thermal paths.

A light pipe extends flush against a support frame to project visual indicators from a scanning engine.

Variable radius supporting frame compensates for resilient force to maintain even curvature across thin backplanes.

A transparent liquid crystal panel uses orthogonal polarizers and a light guide to direct illumination through the display body.

A peripherally closed heatsink uses a side wall reflector to manage heat from an LED streetlamp.

Segmented support structures engage light guides at specific contact edges, minimizing light blockage while ensuring secure retention during assembly.

Fluid pressure expands a fixing member to attach a disposable cover, restoring sensor sensitivity without disassembly.

Variable diffusing portions in a light guide suppress image stripes while maintaining total illuminance.