Mechanical Apparatus TRIZ Cases

See how detecting electronic expansion valves and controlling throttle and solenoid valves elim

See how distributed control units use intention and change signals to coordinate component swit

See how selective control of series-configured thermoelectric coolers manages temperature delta

See how non-circular shafts and mechanical retention eliminate welding in blast dampers, preser

See how simulation-based optimization balances building energy consumption with stakeholder com

See how merging structural support with integrated ductwork in hollow legs reduces fume hood fo

See how dynamic fail-safe resistor control stabilizes voltage between RS-485 communication line

See how upstream and downstream expansion mechanisms increase temperature difference in sub-usa

Water-level-based pump speed control cuts impeller noise in compact air conditioners while maintaining reliable condensate discharge.

See how a temperature protector on the relay-driving power supply line prevents current flow to

See how direct CO2 refrigerant circulation eliminates intermediate heat transfer fluids, improv

See how a smart gateway device auto-discovers third-party HVAC devices, generates virtual devic

A pressure-actuated bypass damper lets excess supply air avoid induction nozzles, raising ventilation without high pressure loss or blower energy use.

See how mode-based control decouples compressor operation from thermostat demands to time-shift

See how dynamic actuator control during diagnosis improves abnormality detection accuracy while

See how a rotatable air guide and deflection blades enable circumferential and inclined air str

See how AI-driven virtual zoning and occupancy sensors enable granular HVAC control, achieving

A hollow ring with orthogonal apertures measures duct pressure near bends while reducing clogging and airflow orientation sensitivity.

See how a control system with heat transfer elements adjusts thermal expansion valve bulb tempe

By adjusting each outdoor unit's output from its frosting degree, this case reduces uneven defrosting and wasted heating capacity.

See how a pseudo deterministic control subsystem integrates event-driven framework with direct

Suction-pressure feedback and parallel expansion valves prevent liquid back in low-temperature heat pumps without an accumulator.

See how distributed gas detection and directional blowers locate pollution sources and generate

See how timed update notifications ensure users are informed when air conditioner firmware is r

See how segmenting particulate matter detection by size range and predicting concentration dist

See how a flow suppressing portion between coolant and electrical connectors prevents coolant l

See how a circular enclosure with curved geometry eliminates cold spots and condensate accumula

See how anomaly detection and regression models distinguish refrigerant leakage from other fail

See how a control unit determines and registers specific air conditioning zones dynamically usi

See how centralized flow rate adjustment units balance refrigerant across multiple heat exchang

Portable zone sensors automate HVAC registration and verification, cutting technician time and reducing setup errors.

See how reversing coolant flow direction through alternating inlet/outlet ports eliminates temp

See how electrostatic ionization and collection replace mechanical filters to remove fine parti

See how a control board positioned to close the electrical box opening enables airtight sealing

See how a single UV source with controlled 185 nm and 254 nm energy ratio degrades pollutants w

See how networked HVAC systems detect refrigerant leaks and activate fans across multiple zones

See how a vertically positioned receiver with adjustable volume manages refrigerant charge imba

See how a thermal storage section stores heat during operation to defrost low-temperature heat

See how reversible compression members regulate ejector outlet conditions to maintain stable co

See how a regulation mechanism reduces subcooling heat exchanger cooling capability before cycl

See how separated indoor and outdoor heat medium circuits use feedback from load devices to opt

See how curved dual horizontal blades use the Coanda effect to prevent airflow separation and e

See how a wearable electro-ionic device uses voltage modulation and ozone generation to capture

See how segmented front shutters with dual air barriers enable both sitting and standing work p

See how ultrasonic time-of-flight transceiver arrays replace fragile hot-wire sensors to measur

See how IAQ sensors self-calibrate by tracking minimum readings during mitigation device operat

See how outdoor unit repeaters relay signals at matching frequencies to enable compatible commu

See how indoor units detect heat exchanger temperature changes during mode transitions to autom

A rotating infrared sensor alternates between room-facing and concealed states to measure self-heat and improve air temperature detection accuracy.

Overlapping input and intermediate gratings eliminate reflective edge manufacturing complexity while reducing light loss.

Offset axisymmetric lenses lower manufacturing costs while maintaining high image quality and low distortion.

A dual-mode liquid crystal display integrates a fluorescent layer on white sub-pixels to enable adaptive visibility across varying ambient light conditions.

Digital ray tracing replaces mechanical eye relief adjustment, reducing structural complexity while maintaining image quality in light field near-eye displays.

A remote scattering element coupled with a total internal reflection extractor directs light through an asymmetric optical interface.

A bicycle control device segments gearshift operating parts at different radial distances from the brake lever pivot axis.

Segmented LED assemblies mounted on a sliding support bar adapt to various lantern shapes, reducing energy consumption without replacing the original fixture.

Angled emission through a tubular phosphor structure extends the optical path length, reducing backscattering and improving color rendering index.

Varying reflectance and transmittance of printed elements creates diverse patterns without structural modifications.

Mounting a smart node on the tenon nests small cell radios and Wi-Fi antennas inside existing fixtures, reducing installation complexity.

A reconfigurable chip-on-board LED array adjusts active segments to shape light distribution through a single source sensitive optic.

A wavelength converter directs light into a receiver using a high-reflectance member to enhance emission efficiency.

A naked-eye stereoscopic display grating uses a metal oxide layer and metal grating layer to recycle light back to the backlight system.

A display device uses dual-side light source units and specific adhesive layers to guide light through the panel.

A bicycle control device integrates a non-shifting switch into the handlebar grip.

Stamped metal sheets bonded with fiber-reinforced resin reduce moving weight while maintaining rigidity against deformation.

A coaxial illuminator system merges interior and exterior light sources with a curved reflector to direct optical paths for imaging.

A collapsible backlight source uses guide and transmission fibers coupled by a reflection joint to emit light from a flexible reflection head.

Offset entry apertures in layered waveguides eliminate cross-coupling and vignetting while expanding the eye box for high-quality near-eye displays.

A wireless adapter system replaces standard wired receptacles in outdoor luminaires to enable smart control integration.

Doped perovskite quantum dots dispersed in a polymer matrix resolve environmental sensitivity issues while maintaining high color gamut ratios.

An intermediary bonding member reduces total internal reflection at the interface, allowing more light to enter the angle converter.

Nested visors reduce effective projected area and wind loading while maintaining precise glare control and uniform illumination.

Segmented LED arrays and fixed optical fibers replace bulky halogen lamps, eliminating mechanical filter units and reducing analyzer size.

A tapered second linking pin eliminates gaps between components to prevent relative vibration and rattling in the locked position of a foldable handle.

A head-up display folds the optical path using polarization conversion to reduce device volume.

Varying sprocket tooth widths prevent chain separation at dead center positions, ensuring reliable power transmission.

A transparent layer with strip portions and a lower refractive index guides light within the substrate to ensure uniform illumination across the display panel.

Segmented positioning pins constrain optical sheet movement to prevent wrinkling and breakage during vibration tests.

Surface engravings on a glass plate hold fluorescent materials that convert incident light wavelengths, reducing transmission losses from absorptive films.

A thin synthetic carbon coating on a negative cavity substrate preserves surface roughness while enabling complex geometries and reducing material costs.

Magnetic attachment resolves the stability versus ease of mounting trade-off, while the light guide plate enables soft, uniform all-around illumination.

Patterned optical members replace complex mechanical filters to reduce device complexity while generating line-shaped beams.

Converging side facets in light guide plate holes split LED light into sub-beams, preventing leakage into adjacent holes through total internal reflection.

A diffraction inhibition layer suppresses early light diffraction within overlaid optical waveguide plates to enhance energy retention.

Segmented hinge arms with positive locking enable field servicing of floodlight drivers while preventing accidental closure.

Microstructures on a flexible light guide break total internal reflection to resolve spot light glare in curved vehicle designs.

Support portion overlaps backlight unit to reduce dead border area while maintaining module rigidity.

Optically transparent areas in the cover layer allow light from the light guide to pass through, reducing glare and managing heat dissipation.

Segmenting the light entrance structure layer from the plate body resolves injection molding precision issues while maintaining high light transmittance.

A chip scale package LED integrates conductive layers directly on the internal electrode to emit light parallel to the printed circuit board.

Fluoride phosphor particle size control alongside quantum dot emission resolves color unevenness, achieving BT2020 coverage.

Segmented arms on a tower base position instruments near patients while preserving space for surgical staff access.

Distinct scattering regions in a light guide plate eliminate hot spots by extending the light mixing distance for uniform illumination.

Composite shaft with variable diameter and closer bearing spacing resolves the contradiction between reducing weight and maintaining bending moment resistance.

A light guiding panel between LED chips distributes blue light to eliminate hot spots and dark areas in LCD displays.

Integrating battery backup and communication links into light fixtures ensures continuous data transmission during outages.

A backlight unit design featuring a heat dissipation element contacting light source substrates to manage thermal output.

A light guide unit constrains angular spreading to isolate emission light from excitation sources in portable biomarker readers.

Replacing complex hydrostatic units with direct mechanical gearing reduces maintenance costs while maintaining high drive power.