Mechanical Apparatus TRIZ Cases

See how radiative cooling panels precool roof air intakes, lowering intake temperature and HVAC

See how air density, supply volume, and enthalpy difference enable accurate cooling capacity ca

See how an adjustable air-opening component regulates outlet size based on blower speed to redu

See how dual-mode superheat control switches between evaporator outlet and heat exchanger inlet

See how a monitoring box with position sensors and wireless interface verifies shutter opening

See how synchronized defrost timing and deep cooling cycles prevent vapor re-condensation on th

See how a building cyber defense system correlates data across multiple devices to distinguish

See how combining geofencing with time-based schedules resolves the control flexibility vs. ene

See how independent ozonation and UV-C exposure channels with automated control enable flexible

See how pressure sensors and dynamic damper adjustment manage air infiltration and zone tempera

See how bypass passages and solenoid valves recover liquid refrigerant from the intermediate he

See how a needle-electrode corona device replaces cylindrical tubes with metal-surrounded circu

See how a control device reduces electricity charges by scheduling facility operations based on

See how a controller detects temperature discrepancies and automatically switches thermostat mo

See how a table with integrated air purifier positions the outlet above the worktop to dilute c

See how partition walls in gas-liquid separators create segmented flow paths to prevent liquid

See how a segmented intake hood with movable filter holder assembly enables rapid HVAC filter a

See how pairing each indoor unit with the outdoor unit enables precise identification of which

See how a remote sensor assembly with collection chamber and induced fluid flow detects HVAC re

See how ML embeddings map unique fish spot patterns to high-dimensional space, enabling precise

See how inorganic hydrate slurry uses latent heat of dissolution to boost heat transfer capacit

See how dual dedicated compressors and counterflow heat exchangers eliminate reversing valve pr

See how an intelligent thermostat integrates air quality sensors to monitor indoor conditions a

See how parallel compressors with different volume indices enable selective operation for cooli

See how predictive scheduling alternates compressor on-off cycles and pre-cooling to maintain i

See how a partition wall separates shutoff valves from the heat exchanger room to isolate refri

See how segmented condenser valves adjust active surface area to maintain pressure differential

See how concealing fan coils between wall studs with ceiling-level supply and external heat pum

See how medium temperature discharge gas from compressors defrosts evaporators faster with lowe

See how grouping facility devices by specifications and environment enables accurate abnormalit

See how communication-based state signals unify cooling/heating modes across multiple outdoor u

See how an upstream auxiliary electrode discharges diffused ions to stabilize charging performa

See how continuous voltage monitoring and solenoid-based isolation remove defective batteries b

See how workload migration and air conditioner control in data centers provide frequency adjust

See how infrared spectroscopy detects metallic catalyst oxidation states in real time, enabling

See how a secondary circuit with condenser, separator, and restrictor lowers cooling-fluid boil

See how temperature-based detection identifies refrigerant leaks in modular air-conditioning sy

See how a dedicated discharge hole at the machine chamber base uses gravity to safely vent heav

See how a building automation controller activates its wireless interface on-demand via field d

See how a partition plate with an opening portion separates the machine room and outdoor fan sp

See how mounting a refrigerant sensor on the front wall along the housing's longitudinal direct

See how pressure reduction and HFO refrigerants enable low-temperature cooling with low global

See how integrating volatile substances into a replaceable filter part ensures timely filter ch

See how a dual-tank refrigerant system with heat exchanger and dynamic flow control maintains w

See how virtualized sensors calculate flow rates from enthalpy and temperature data, eliminatin

See how bypass expansion valve control eliminates temperature differences in non-azeotropic ref

See how evaporator coil temperature feedback stabilizes compressor operation and fan speed in s

See how a reversible valve directs refrigerant through a reheat heat exchanger in both heating

Different angled edges fold thin-film coupling lightguides to improve light coupling and uniformity in compact displays.

Separate light guides and an angled transparent element redirect laser beams to improve luminance and color uniformity in compact displays.

Pressure-controlled ventilation limits pollutant infiltration through building envelopes.

A collimating pipe, optical sheet, mask, and projection pipe reshape light for inverted, reduced 3D images with varying brightness.

This production method slices bonded plate stacks into LOEs that expand optical aperture while limiting ghost images and aberrations.

Microstructured light guides and optical adhesive reduce air-gap reflections while maintaining forward, even light emission.

Reflective and transmissive couplers in one waveguide address RGB coupling and expand the AR display FoV beyond 114 degrees.

A flat light guide limits heat near the sample while filter-turret imaging supports faster changes between light types.

Alternating transmissive and absorptive regions balance on-axis visibility with off-axis privacy in a microstructured film.

This case uses a separable spherical housing to adjust motion detection across wall and eave mounting while preserving fixture aesthetics.

Learn how steep-angle side illumination increases waveguide coupling, sensitivity, and propagation length without complex optics.

Zero-order light recycling helps AR waveguides stay thin while widening viewing angles.

A lower-index, non-reflective seal isolates the glass interlayer while reducing light-source halos in illuminated windows.

A 120-degree source layout and 180-degree diffractive offsets support compact AR projection while limiting leakage and discomfort.

A modular lamp unit combines independently controlled planar and linear light emission to expand lighting patterns and effects.

A particle, dye, pigment, and binder coating targets waveguide edges to absorb stray light and limit scattering.

A flexible substrate embeds light sources and tilted outcoupling surfaces to redirect light, simplify manufacturing, and limit leakage.

Chemical and physical plasma etching overcomes low-SiO2 glass limits to form 10–500 nm diffractive gratings.

Larger display sub-pixels and a light-transmitting region balance display quality with photosensor image formation.

Collimated lightguides and prisms narrow output to prevent windshield reflections.

Structured, multimaterial protrusions on waveguides control wavefront divergence for improved depth perception and viewing comfort.

This case combines a thin light guide, blocking patterns, and lateral LED emission to reduce backlight thickness and improve uniformity.

This AR waveguide assembly replaces fragile glass with resin and high-index gratings to reduce weight while preserving optical efficiency.

Waveguide light sensing detects monocular image mismatch, enabling calibration updates that preserve binocular alignment.

A reflective layer and support layer balance tensile forces, reducing substrate warpage and breaking while improving light uniformity.

A light reducing member protects silicon detection while a processor regulates multicolor endoscope illumination.

Vary reflective-surface angles in a light guide to equalize symbol luminance.

Planarized, plasma-activated optical surfaces form adhesive-free bonds that improve brightness, resolution, and heat tolerance.

A reflective polarizer combines band-edge infrared transmission with diffusion to support finger sensing and limit moiré and Newton's rings.

An optical member uses a larger incidence plane and smaller exit plane to conceal illumination features while preserving light quantity.

A point LED, segmented collimator, and lens cover reduce alignment complexity while preserving homogeneous illumination across distances.

A reflection layer redirects multiply diffracted light through the pupil expansion region, improving transmission and imaging clarity.

This case uses a glue-and-substrate reflection-reducing component with 3%–85% reflectivity to balance light efficiency and leakage.

This optical waveguide uses complementary diffraction gratings to expand HUD exit pupils in two dimensions with consistent brightness.

This wearable e-reader uses a magnifying lens, polarizer, and front-lit e-ink display for lighter, lower-strain reading.

A photo-sensor feedback loop tunes pulse timing and scan angles to improve narrowband light coupling and display sharpness.

This lamp module combines a solar panel and charging coil in a water-resistant housing for sealed, adaptable recharging.

A diffractive light guide varies out-coupling efficiency by region to reduce bright corners and dark regions.

This case shows how a substrate-matched coating fills surface relief grating grooves to limit dispersion and improve AR image clarity.

This case aligns diffuser-film prisms with crossed brightness enhancement films to improve light efficiency and on-axis brightness.

A reflective polarizer and polymer-layer filter block harmful blue and UV light while maintaining display color balance.

This case uses 20–50% photoluminescent material in biocompatible silicone to replace wasteful, single-use chemiluminescent sticks.

Controlled core-shell materials improve electron-hole overlap, delivering over 40% quantum efficiency and under-40 nm FWHM.

A slit-mounted waveguide links laser delivery with thermal conduction for compact, high-brightness light conversion.

Spatial ALD varies coating thickness across waveguide regions to improve durability, preserve modulation transfer, and minimize reflections.

A recessed semi-conical light guide redirects direct-lit sources across annular zones, reducing source count, power use, and cost.

A controller alternates visible and ultraviolet light during cultivation to target active ingredients while preserving plant color.

This case routes heat from a photonic circuit’s back surface through the package substrate, preserving active-surface fiber access.

This case uses waveguides, polarizers, and switchable retarders to target viewing windows, limit snooping, and preserve luminance.

A patterned waveguide uses alternating high- and low-density extraction areas to distribute edge-coupled light with less optical waste.