Mechanical Apparatus TRIZ Cases

Actuated dampers block airflow to inactive evaporator sections, cutting fan power use while maintaining cooling in active channels.

Presence detection switches touch-key LEDs off when idle and restores key visibility on approach, cutting air purifier panel power use.

See how gradual outdoor fan frequency reduction before defrost stop minimizes abrupt noise chan

See how dynamic nominal flow calculation adapts control parameters in real time to maintain opt

See how a three-section pipeline with progressive diameter reduction stabilizes two-phase refri

Adaptive compressor control width and thermo-off thresholds cut cycling, stabilize room temperature, and lower AC power use at low load.

See how bypass paths and switching units redirect refrigerant flow around the accumulator to ad

See how coordinated air-conditioning and ventilation control balances thermal comfort with air

See how segmented base, fan, and bypass modules with universal coupling enable field upgrades a

See how a multi-layer HVAC filter achieves MERV 17 efficiency using segmented pre-filter, HEPA,

See how an air inlet below the screen draws and filters droplets and aerosols from the user's b

Dynamic IAQ thresholds adapt to baseline particulate, VOC, and CO2 levels to control mitigation devices and flag faulty response.

See how dual ultrasonic vibrators with alternating operation and PWM control adjust mist direct

See how a ventilation valve uses a trigger member, controller, and displacement actuator to aut

See how a multi-unit air conditioner uses control-unit communication checks with countermeasure

See how a low-voltage thermostat uses no more than two internal sensors with machine learning t

See how feedforward control predicts thermal variable profiles to prevent compressor and valve

A liquid-to-air membrane exchanger cools water for data center liquid loops, cutting cooling energy while avoiding coolant cost and water treatment issues.

A liquid-line bypass cools the controller after expansion while keeping full refrigerant flow through the heat exchangers to preserve heating and cooling capacity.

See how a venturi-based heat transfer device uses the Joule-Thomson effect to achieve compact,

See how a hinged cover panel with pivot linkage enables easy filter and wind-stop removal while

See how periodic heater operation with feedback control maintains wine chamber temperature with

See how a gas separator with accumulation detector and pump control prevents flammable refriger

See how merging evaporative cooling, dehumidification rotor, and ventilation into one outdoor-i

See how electronic expansion valves replace noisy solenoid valves to modulate reheat cycles, re

See how modular solid-state heat pumps with thermal storage eliminate duct distribution losses

See how a modular UV light assembly enables air sterilization in existing air conditioners with

See how differential pressure measurement across a ventilation member enables automatic fan spe

See how a water heater integrates UV lamp, anti-scale device, and elevated-temperature sanitati

See how energy scores balance HVAC savings and guest comfort by assessing occupancy detection r

When network quality drops, communication conditions are adjusted by information priority to keep critical device data flowing.

See how a nested irradiator and reflector enable UV filter sterilization in a compact portable

See how a ring-shaped lighting assembly with integrated touch-case display provides intuitive o

A controlled bypass line keeps HVACR process fluid above minimum flow during low load, preventing sediment buildup and heat transfer loss.

See how a heat-pump air conditioner integrates a temperature-adjustable dehumidifier to handle

See how alternating airflow stagnation with UV or heating inactivates pathogens without filters

See how extracting the ionizer outside the main body eliminates flow resistance, maximizes char

See how a refrigerant loop through an ice-tank heat exchanger shifts cooling loads to off-peak

See how an ice-tank heat exchanger shifts cooling loads to off-peak periods, reducing peak elec

Test particles and gases help separate ventilation and mitigation effects, enabling more accurate indoor air quality and CADR assessment.

See how merging machine and heat exchange spaces with a suction line heat exchanger improves co

A threaded and snap-fit UV lamp cover keeps fixation secure while allowing fast air disinfector maintenance without special tools.

See how extracting the lamp outside the inner shell and using a light diffuser prevents water s

See how a fuse link sensor and remote controller enable HVAC damper inspection through electric

See how a water tank cover with circumferential supply hole, guide plate, and border wall reduc

See how hydrogen expansion valves and modular heat exchangers enable precise divisional tempera

See how a ceramic heater tray isolates the heating element from water to prevent short circuits

See how side-mounted display housing with coupling cover and insulating plate prevents electric

See how zone-specific IAQ sensors and dampers enable selective air circulation between zones to

Elastic thermal conduction suppresses dew condensation on the cover without dry air replacement.

Transparent optical plate with elongated bulges guides light via total internal reflection for uniform illumination.

Adjacent light guide modules with shared emission layers create volumetric stereoscopic lighting patterns in vehicle lamps.

A monolithic pressed optic array integrates primary lenses with connection webs to shape vehicle headlight beams.

A window with controllable transmittance balances daylight throughput to distribute illumination evenly across indoor spaces.

A wavelength conversion member applies a colored layer on the container side face to suppress blue light leakage, achieving precise white light emission.

Segmenting the light source into a support body simplifies electrical connections while a light guide maintains strong illumination on the control member.

Radially biased fastening portions apply retention force to a ferrule contact surface, while a fixing element adds greater force to prevent vibration loosening.

Segmented modules with lateral heat dissipation resolve installation complexity while maintaining reliable thermal performance.

An encapsulation housing creates a cavity between the light engine and material to preserve optical properties.

Overlapping defect arrangements in injection-molded light guides create a homogeneous luminance transition while preventing excessive heating at the feed point.

Selective overcoat application on the output grating reduces rainbow effects and physical damage without increasing absorption or haze in the visible spectrum.

A light guide device disperses optical energy across a transmissive display screen to support distance sensing.

A flat panel display uses a recess on the substrate end to route connection members through the non-display area.

An integrated reflective back cover merges structural support, positioning, and light reflection to reduce module thickness.

Inclined planes on a light guiding plate reflect light toward the optical axis, eliminating multiple optical sheets that increase device thickness.

Layered light conducting elements with scattering structures generate three-dimensional visual impressions in vehicle lighting systems.

A non-birefringent resin material comprising a cross-linked polymer (B) with opposite photoelastic constants to cancel birefringence.

An integrated sensor assembly combines multiple sensing modalities into a single unit with standardized USB connectivity.

Integrated electrical buses within the radiator simplify power distribution and heat dissipation for flexible street lighting arrays.

A handlebar featuring a non-circular aerofoil profile and an integrated flat mounting surface for accessories.

Rod-shaped light guide uses segmented diffuse reflection patterns to uniformize output light intensity along its longitudinal axis.

Segmented light exit areas with random orientations mimic stainless steel polishing marks, resolving the uniformity trade-off in display visual impact.

A downlight apparatus uses segmented LED modules and a light guide to direct central illumination while converting peripheral light via a diffusion cover.

A side-emitting LED module uses a refractive lens part to redirect light through optical refraction rather than mechanical reflection.

A light conversion member with reflection parts guides emitted light to produce white light with consistent divergence angles.

Punch pin shapes welded frame seams to planarize surfaces, preventing thickness loss and surface sinking during subsequent bending operations.

A backlight unit employs a porous reflective sheet to enable thermoforming into curved vehicle trim parts without bubble formation or delamination.

A backlight unit uses a stepped light guide plate to position an optical sheet at a lower height.

A backlight module heat sink design conducts thermal energy from display panels to external environments.

A coupling member fastens a gas spring balancer to an industrial robot base, eliminating the need for external force during piston rod compression.

A light-emitting device bends polarized light through a dedicated portion and lightguide member to redirect optical paths.

A head-up display waveguide uses matched diffraction gratings to create a periscopic effect for stable image output.

A light guide plate uses convex lenses and inclined bottom portions to control light emission direction and convergence.

A backlight connector uses a gap-retaining member to maintain optical distance between light sources and the guide plate.

A light guide layer directs illumination through adhesion layers to capture skin prints, resolving spatial resolution and production complexity trade-offs.

Side-mounted mini LED arrangement in a backlight module resolves hotspot issues by optimizing light guide plate spacing for uniform brightness.

Multiplexed light from separate LED chips passes through a diffusion lens to resolve visibility issues caused by deviated optical axes.

A light engine uses a flexible circuit to wrap LEDs around a thermally conductive base for efficient heat dissipation.

A light pipe assembly directs optical signals through a document path to detectors on the same side.

Tension-mounted suspension lighting traverses open spaces using a flexible silicone lens that diffuses LED light for uniform illumination without pixilation.

A backlight unit uses stacked light guide plates and output couplers to direct and expand light beams for holographic image generation.

Integrates frame and light guide element via insert molding, reducing assembly time and preventing short circuits.

Tiling multiple waveguide displays achieves a large field of view while reducing form factor compared to conventional virtual-reality systems.

Reflective grating couplers map chip coordinates to stage positions via lookup tables, resolving alignment inefficiencies in silicon photonic testing.

Tilted optical elements redirect spill light and minimize frontal area, reducing wind loads on high-mounted sports floodlights.

A light-conducting member uses diffractive optics elements to direct image light through controlled diffraction and reflection paths.

A headlight module uses a structured decoupling surface to scatter high beam light, eliminating visible cut-off lines in the distant field.