Mechanical Apparatus TRIZ Cases

See how a BMS temporarily accepts expired device certificates and delivers replacements remotel

See how iterative parameter adjustment with weighted observation data enables accurate boundary

See how merging the expansion valve into the heat exchanger body eliminates separate pipeline c

See how distributed oxygen sensors and targeted diffusion fans restore local oxygen levels in i

Adjustable UV lamp power and fan-speed feedback enable early failure detection while controlling ozone output and air throughput.

See how question-based verification resolves similar voiceprints in air conditioner user recogn

See how a bypass circuit and buffer tank pre-heat cooling fluid to defrost external evaporators

See how HVAC control uses GPS travel time and pre-computed thermal models to activate condition

See how an obliquely positioned LED strip lamp and microstructured transparent shelf plate elim

See how bidirectional air jets and differential pressure control prevent draughts at building e

See how supply temperature feedback and dynamic flow adjustment prevent excessive flow in HVAC

A curved mounting bracket reduces outlet airflow disturbance, improves low-pressure sensing, and enables fan speed control with lower energy use.

See how a variable temperature setpoint that increases with fan speed prevents futile speed inc

See how visual curve interaction replaces button presses for air conditioner parameter adjustme

See how a metal discharging plate with segmented air outlets distributes airflow to reduce fan

See how a powered anode adjusts current based on burner duty cycle to reduce heat exchanger cor

See how a thermal bridge structure routes wiring for surround lighting in vacuum insulated refr

A UV lamp, anti-scale treatment, and periodic hot-water sanitation loop suppress Legionella while avoiding energy-heavy bulk heating.

See how a dual-switch assembly separates power and communication terminals to prevent excessive

An oblique air outlet and reinforced mesh inlet panel extend airflow, reduce direct cold drafts, and prevent face frame deformation.

See how prestressing locking members and segmented electrode assemblies reduce pressure loss an

See how flooding low-side heat exchangers, vapor redirection to flash tanks, and suction-discha

See how an air conditioner positioned between the transparent plate and optical device neutrali

See how independent metering devices and pressure control units enable differential CO2 distrib

See how dew point temperature calculation and dynamic compressor frequency control enable direc

See how camera-based image analysis extracts user behavior patterns to autonomously adjust air

See how microwave Doppler detection isolates breathing and heartbeat signals below 3 Hz, enabli

See how dual outdoor pipes—one with expansion valve, one bypass—let a single outdoor unit conne

See how integrated air quality sensors detect contaminants and adjust air freshener dispensing

See how a single bi-flow expansion device replaces multiple uni-flow devices and bypass lines i

A fan-driven ion generator keeps air conditioner ducts sterilized during shutdown while limiting airflow resistance in normal operation.

Compressor frequency is adjusted from IPM temperature, outdoor coil temperature, and exhaust pressure to keep cooling capacity in high heat.

See how a refrigeration apparatus uses a second air heat exchanger as a heat absorber to preven

See how dual-mode control fixes valve opening and varies compressor frequency, then switches to

See how parallel refrigerant and free cooling units with separate compressor and pump frequency

See how a dual-mode HVAC controller simplifies wireless device enrollment by zone, using segmen

See how adaptive control of compressor, fan, and valve settings enables accurate identification

See how period-based condensation control removes contaminants from the indoor heat exchanger d

See how remote program upgrade with error detection and automatic restoration prevents outdoor

See how a rotatable ring and color-coded display simplify thermostat control, reducing user int

See how a bypass line with three-way valve control maintains minimum process fluid flowrate in

See how a return-and-diffusion air recycling system reduces pollutant concentration across room

See how wireless positioning of electronic devices estimates user and equipment heat dissipatio

See how a heat dissipation coolant pipe integrated into the refrigerant circuit cools the elect

See how provisional fan operation and dynamic thresholds enable accurate refrigerant leak detec

See how zero-crossing detection and timed power stealing intervals enable smart thermostats to

Bypass valves let a hybrid tank and tankless water heater isolate the storage tank for service while maintaining on-demand hot water.

See how fan rotational speed control replaces duct dampers to maintain clean room pressure with

See how a movable divider separates humidified and clean air paths, preventing humidifier conta

Weighted temperature and flow commands keep HVAC valve flow stable when pressure disturbances make sensor readings unreliable.

Protrusions in the transmissive region emit light while a reflective layer blocks side emission to resolve brightness uniformity versus light leakage.

A concealed light fixture sign uses a flush-mounted container and translucent inserts to project exit messages.

A light director shapes illumination light to improve optical coupling efficiency, resolving inconsistent tilt angles and non-optimal divergence angles.

Coupling cavities capture Lambertian LED emission and redirect it through the waveguide body, resolving low-efficiency light coupling in roadway lighting.

A light field display device uses a microlens array to project sub-image beams through a reflective element.

A photoluminescent waveguide display incorporates a light filter to produce a dark background for high contrast imagery.

Air barriers in the light guide plate minimize diffused reflection to enable reliable scan mode operation.

A compensating lens directs light from a waveguide back surface toward an exit pupil to expand the field of view in mixed reality displays.

Segmenting light sources at varying distances from the exit surface minimizes leakage losses during sequential dimming.

A light wave-guide optical element with bulging tips and an anti-reflection stack guides digital images to the viewer.

Deflecting members in the light guide plate redirect total internal reflection to eliminate brightness unevenness at varying eye positions.

Elastic teeth in the holder accommodate thermal expansion of the light guide plate, preventing abnormal deformation.

Flat-surface wedges guide light through total internal reflection, reducing display thickness while maintaining gesture sensing capability.

Rotatable LED panels in a post-top luminaire adjust light distribution patterns by rotating about vertical axes, eliminating complex refractive components.

A light guiding device uses a variable clearance between reflection and outcoupling sides to direct incoupled light toward the output surface.

A lighting device uses a partial wavelength conversion member on a light guide plate to maintain consistent color across the extraction region.

A backlight unit controls static friction between the light guide sheet and diffusion sheet to prevent warpage.

A reflective color filter substrate uses electrowetting to switch between monochromatic and hybrid light reflection modes.

A reflective optical coupler redirects diverging LED light into small diameter waveguides, solving low coupling efficiency in compact endoscopic systems.

Centralized hydraulic drive distributes power from one truck engine to remote blower and fan units, eliminating exhaust hazards.

Sharp portions on conductive lines collect and discharge static electricity, preventing LED damage during assembly.

Segmented hollow column hides ground insert components in recess portion and accommodation space, reducing transportation volume.

Lowering the light guide plate refractive index below the adhesive layer prevents total reflection, enhancing luminance by 20% and suppressing gradient.

A light deflecting device uses a vibrating first optical element and a moving second optical element to perform raster scanning.

A composite optical film integrates longitudinal prism structures with buried particles to enhance brightness and diffuse light.

Segmented clip lights use elastic bias to simplify installation, resolving the trade-off between secure attachment and complex mounting procedures.

A light emitting module uses a recessed portion in a polygonal light guide plate to position the light source and enhance lateral diffusion.

Curved edge regions in a coherent fiber bundle cover inactive driver components, reducing the border area to near zero while maintaining image quality.

A backlight light source uses a reflective separation component between independent emitting regions to direct light away from each other.

A fiber-optic conversion module directs excitation light to a converter attached to a heat sink for efficient thermal management.

A brake lever mounted behind a steering wheel spoke transmits driver force to generate manual trailer brake signals without removing hands.

A bi-material clamping piece with a thermal gradient releases tension during temperature increases to prevent scratches on optical films.

A wearable image display divides optical components into separate source and emitting sections for independent handling.

Decoration component display region illuminates three-dimensional interior structures using indication element light, eliminating separate illumination sources.

A rotatable fastening element with clamping portions secures an LED light source to a base ring groove, reducing assembly time compared to multiple screws.

A transparent backlight illuminates a transmissive display unit to present bright images, resolving the contradiction between transparency and brightness.

A steering arrangement transmits haptic signals through a stationary generating device and swing arm, eliminating slip rings.

Segmented optical cavities enable switching between surrounding and side lighting, resolving navigation bottlenecks in low-light camping environments.

A backlight unit combines green semiconductor lasers and a red phosphor sheet to produce white light with an expanded color spectrum.

Incorporating absorption dyes into reflective polarizing films selectively transmits pure RGB wavelengths to enhance display brightness.

Segmented retardation plates transform incident light polarization before polarizer extraction, distinguishing stray light fluxes from object information.

V-shaped reflectors and refractive lenses manage LED point-source light to overcome non-uniform distribution while lowering power consumption.

A transformer-less LED lighting arrangement uses a snap-fit mounting bracket for direct AC power connection.

Segmented LED strands with nested electrochromic layers deliver visual information without adding bulk or compromising the soft aesthetic of wearable items.

Spacer members restrict transparent substrate movement in the Z-axis direction, preventing optical sheet undulation caused by thermal stress.

Strategic light guide protrusions resolve luminance unevenness in complex automotive lighting shapes by scattering light uniformly.

A thermal conductor covering the reflection surface of a rod-shaped light guide prevents local heat distortion and ensures consistent light distribution.

Segmented reflective sheets guide scattered light into the light guide plate, preventing gaps that cause uneven brightness.

An elastic coupling in the wheel assembly limits applied force, preventing soft object distortion and ensuring repeatable caliper measurements.