Mechanical Apparatus TRIZ Cases

See how bundled optical fibers deliver LED-based UV light in air ducts, enabling flexible unit

See how machine learning proxy models predict temperature distribution in data centers, enablin

See how dual ultrasonic vibrators with alternating drive signals adjust mist direction and shap

See how optical sensors detect filter color changes to automate replacement alerts, reducing ma

See how sequential heater and compressor control prevents ice agglomeration by resuming ice-mak

See how dynamic compressor frequency adjustment based on dew point and heat exchanger temperatu

See how a segmented decorative panel with a non-open zone and protruding wall directs condensat

See how a non-input detection counter adjusts electrolysis conduction time to prevent excessive

See how a water regulation valve uses temperature-difference feedback to control cooling-water

See how defrosting operation frequency replaces complex data acquisition to detect refrigerant

See how textured tube surfaces with varied area expansion ratios enhance mixing of R32, CF3I, a

See how dynamic compressor speed and expansion device control allocate cooling power between tw

See how separating the gas-liquid separation pipe from the connection pipe enables straight-pip

See how segmented indoor and outdoor environment monitoring improves residual value accuracy fo

See how a floor-seated air apparatus uses three independent impellers and segmented discharge p

See how segmented primary and secondary damper blades enable precise airflow control at low flo

See how a flash tank and phase-change storage tank enable charge-discharge thermal management t

See how optimized check valve diameter per capacity (Φ0.21–0.42 mm/kW) suppresses chattering ca

See how positioning the refrigerant gas sensor outside the airflow path—below or above the casi

See how intelligent thermostats use pre-cooling and thermal mass to shift energy consumption aw

See how a segmented indoor heat exchanger with series-connected areas and throttle control enab

See how 200-230 nm UV light decomposes nicotine in smoking rooms without generating nitrosamine

See how ductile stainless steel pipe composition balances pressure resistance and bendability f

See how feed-forward electric valve control detects indoor unit state changes and adjusts refri

A shared substrate layout for the rectifier bridge, PFC, and dual inverters reduces wiring, saves space, and improves heat dissipation.

Reverse fan rotation lets an HVAC system measure airflow and detect supply or return duct leaks without external test equipment.

See how a centrifugal compressor and spiral working element convert air thermal energy into kin

See how dynamic opening-fraction control based on indoor-outdoor temperature difference reduces

See how a modular hydronic economizer with switchable series-parallel valve control uses ambien

See how segmented gas enclosures with continuous filtration maintain inert atmosphere and parti

See how integrated liquid desiccant evaporative cooling and humidity recovery reduce greenhouse

When indoor unit power is interrupted, the controller detects overload-prone devices and limits functions to prevent feed shortages and malfunctions.

See how refrigerant leak sensors trigger automatic shutoff of electricity and gas supply to pre

See how pre-operation sendability calculation prevents incomplete refrigerant recovery in long-

See how tiltable fluidic couplings and automatic electrical connectors enable safe steam cylind

See how separate heating and cooling fluid loops with dedicated heat exchangers eliminate glyco

Comparing actual and temperature-based expected auxiliary heat runtime helps detect HVAC heating capacity loss early and trigger maintenance alerts.

Adjusting electronic expansion valve opening by operating mode helps offset height-drop pressure effects and sustain refrigerant circulation.

See how status and communication LEDs in a control board hardware test mode reduce incorrect da

See how combining airflow, temperature, and humidity sensors in one device enables velocity-wei

See how integrated wall ventilation with adjustable airflow and filtration replaces centralized

See how occupancy sensors override fan-on duration settings to reduce HVAC fan electricity use

See how symmetric temperature, humidity, and pressure sensors in a single duct plane compute ve

See how a monitoring device counts switch-off events and requires user acknowledgment above a t

A gas-liquid separator and liquid pump let a CO2-based high-glide refrigerant cycle cut energy use while limiting blend fractionation.

See how a neck-worn device uses ionisation and electrostatic attraction to create a protective

See how a wireless intermediary device adds remote monitoring and control to legacy HVAC units

See how position information transmission from air conditioners to aircraft enables precise mea

See how a dedicated MUA fan and heater bank supply tempered make-up air to meet airflow standar

A quantum dot film converts ultraviolet excitation into red, green, and blue light with a shifted spectral peak.

Tailored prism angles redirect light to switch viewing angles while suppressing dark-line portions on the display screen.

HEPA filtration blocks contaminants from entering the housing, resolving the trade-off between cooling efficiency and internal sanitation.

A light fixture uses a movable plate with color filters to select output hue and adjusts lens position for variable focus.

A light unit uses a metal low refractive index layer to enhance light emission and luminance.

A light guide plate with specific convex and concave irregularities directs internal reflection to the front surface.

Light adjusting structures block oblique emission between adjacent units, improving display quality while maintaining collimated output.

A side-illuminated light guide directs optical signals through a vehicle housing surface to support radar sensing.

A colorimetry calculation method corrects spectral deviations in quantum dot backlight modules using a reference polarizer.

A guided mode resonance structure redirects specific light wavelengths through a thin grating layer coupled to a waveguide.

A heat dissipating element conducts thermal energy from LED modules to the atmosphere, preventing excessive temperature rise and extending component lifespan.

Slits in the light guide plate allow independent thermal expansion while cylindrical supports prevent structural deformation from heat.

Optical film indents redistribute incident light to eliminate hotspot effects, avoiding lengthy light-guide plate grid adjustments.

A conical optical element redirects light radially from an up-tapered fiber core to minimize axial leakage.

A rigid protruding portion surrounds alignment holes in the bottom plate to prevent misalignment and light leakage during narrow bezel assembly.

A thin flat panel LED luminaire uses a mesh mask pattern to filter light from an edge-mounted LED bar.

Segmented light pipes mounted on a divider enable airflow through the receptacle cage while maintaining electrical shielding during module insertion.

Bending section with zigzag mounting portion conducts heat from light sources, preventing optical component deformation.

Integrated reflective members fold optical paths to prevent beam interference while minimizing device size.

Modular LED light fixture support assembly uses a pivotable fulcrum to resolve the trade-off between large illumination coverage and heavy fixture weight.

Electromechanical actuators switch between service and parking brake functions to maintain braking force during component failures.

A backlight module uses a positioning block embedded in a plastic frame to secure the assembly.

An asymmetric stop opening in a projection system adjusts light paths to reduce apparatus size while maintaining optical precision.

Angling the transparent substrate redirects internally reflected light through lateral surfaces, reducing absorption losses in multi-quantum well layers.

Prism top height differences create gaps that stop optical film adhesion, eliminating rainbow fringe and shadow defects in display backlight modules.

A planar light guide incorporates a diffuse area between in-coupling and out-coupling structures to scatter light.

A lamp holder light scattering plate distributes illumination through oppositely arranged faces.

Integrating switches into steering lever grips enables simultaneous operation and prevents inadvertent activation during mowing.

Coupling multiple brushless motors to a single ring gear increases power density without widening the drive unit.

Optical branching unit routes primary light to conversion members and returns secondary light for photodetector monitoring.

An authentication apparatus generates a speckle pattern from surface plasmons transmitted through a waveguide.

A spiral flat cable winds around a hollow pipe inside an industrial robot wrist, absorbing tension from rotation to prevent breakage.

A display frame backlight portion guides side light to shielded regions.

A vehicle lighting structure uses aligned light passages to channel illumination from an active device to a passive dispersing member.

Grouped outcoupling elements with distinct blaze angles mix light angular distributions to reduce hot spots and rainbow artifacts in displays.

Multi-functional diffractive optical element redirects light into waveguides and corrects higher order aberrations, shortening projector lens length.

A light guiding plate uses segmented refraction and reflection surfaces to independently orient horizontal and vertical light exit angles.

A virtual wand tool applies an exploder effect to separate assembled parts in augmented reality headsets.

A rail-shaped guide part allows a lighting appliance to be mounted at arbitrary positions along an optical fiber transmission path.

Elastic flexures in the backlight carrier adjust spacing between light sources, preventing misalignment caused by thermal expansion of the light guide plate.

A reflective surface converges light in one plane and diverges it in a perpendicular plane to project an elongated optical image.

Electromagnetic induction powers the headlight to eliminate cord interference while adjustable mounting minimizes shadows on the operating field.

Distinct reflecting parts with varied angles and distances improve brightness uniformity across illuminated surfaces.

A thermal energy accumulator uses natural convection to drive a converter that generates electricity from server heat.

Integrating light shielding bars into the backlight module structure eliminates anti-peeping films, resolving the trade-off between security and brightness.

Sequential color scanning with diffraction gratings improves display autonomy by eliminating external light sources while maintaining illumination intensity.

A segmented optical assembly uses extraction and local quality principles to reduce bezel size while maintaining structural support for film guidance.

Light-shielding film on optical member prevents stray light from hitting non-lens areas, improving image quality.

Asymmetric mounting portions allow multi-orientation installation while interlocking fins improve heat dissipation without increasing structural complexity.