Mechanical Apparatus TRIZ Cases

See how concentric ribs, angled louvers, and tilted cells deflect UV light in multiple directio

See how combining 254 nm and 222 nm UV lamps achieves 90-99% pathogen deactivation in under 2 s

See how a stacked PET film barrier with hard coat and controlled modulation transfer function r

See how parallel evaporator coils with segmented latent and sensible heat paths increase dehumi

See how pressure sensors enable outdoor units to adjust compressor frequency autonomously, ensu

See how positioning the light source on the sidewall of a light-transmitting plate reduces dire

See how temperature and power monitoring detect four-way valve direction change failures to imp

See how controlled air passageways in exterior and interior walls use HVAC-supplied conditioned

See how damper position correction using static pressure measurement and fan law modeling resol

See how frosting-based heat exchanger cleaning adjusts compressor frequency and valve opening t

See how liquid desiccant absorbs atmospheric moisture, then releases it via heating and condens

See how a central station integrates HVAC, air quality, water supply, and activity sensors to d

See how inverted discharge port positioning eliminates partition plates, prevents air return, a

See how urethane molding and non-polar polymer cases enable easy filter separation for recyclin

See how an auxiliary fan and predictive controller adjust make-up air flow based on detected in

See how univariate and multivariate prediction models trained on historical data enable proacti

See how inverting the discharge port to the bottom prevents upward airflow discomfort and lifts

See how a motor-driven display panel and integrated booster module extend air circulation dista

See how camera-based ice detection replaces infrared monitoring to optimize defrosting timing a

See how self-locking devices and automatic switching enable modular clean room assembly, reduci

See how intelligent zone selection routes HVAC excess airflow to zones closest to activation co

See how a rotatable connection between indoor and outdoor units enables configuration changes,

See how dynamic capacity adjustment of indoor and outdoor air handling units prevents equipment

See how an isolation core heat exchanger thermally couples AC and enclosure airflows while seal

See how a cascade thermoelectric module with heat dissipation sheet and gold plating achieves −

See how coordinated control of multiple air cleaning devices uses real-time air quality and ope

See how a plate-shaped heat-transfer member with linear heater prevents drain water freezing in

See how sensor placement below the fan with bottom-facing openings prevents false alarms from i

See how humidity-sensor control and multi-stage fan speed adjustment dry heat exchanger edges t

See how an aspirated smoke detector integrates HEPA filtration and UV-C irradiation to remove a

See how machine learning modules generate personalized comfort profiles and predictive models t

See how a visible light emitter uses color and illuminance changes to indicate UV intensity, wa

See how automated interlock status detection replaces manual safety checks across multiple indo

See how a rotating nozzle system sprays water to form visible rain lines, enabling separate hum

See how a thermal expansion valve with remote sensing bulb regulates refrigerant flow based on

See how coordinated control of multiple air cleaning devices uses real-time air quality and ope

See how a reinforcement learning model replicates model predictive control on edge controllers

See how a condensing unit uses evaporative pads and condensate water recovery to lower waste he

See how a mitigation device monitors temperature and heat exchanger appearance to distinguish f

See how reduced-order metamodels predict air properties at any room location, enabling accurate

See how a server device mediates between power grid operators and authorized household devices

See how a protruding second PCB thermally decouples the temperature sensor from controller heat

See how gas disturbance generation accelerates hydrate nucleation to improve energy storage con

See how camera-based occupant activity detection enables automatic airflow direction adjustment

See how segmenting room temperature estimation into affected and unaffected periods reduces mod

See how lateral discharge holes in a dip tube reduce cold-hot water mixing, maintain outlet tem

See how dynamic venting and feedback control prevent pressure buildup in gas-liquid separators

See how priority-based sequential damper control enables a single zone controller to manage mor

See how a modular decontamination plant uses clamping components and segmented frames to enable

See how infrared sensors and AI classifiers detect occupant locations to enable zone-based HVAC

Separate prisms adjust image and leakage projection angles in a waveguide, balancing augmented reality FOV with user comfort and privacy.

A cut feature sensor creates illuminant space, while flat-plate light guidance reduces stacking thickness without blocking sensing.

Optically reflective light-guide structures display layered information when activated while preserving a dim or hidden appearance when off.

This case uses Gaussian-shaped grating contours and sacrificial photoresist to improve light uniformity and coupling-out efficiency.

Varied grating periods, phase modulation, and pupil shifting address non-uniform intensity in waveguide combiner images.

Interconnected lights and sensors warn drivers of accidents early and help guide traffic before emergency services arrive.

Different-pitch cholesteric layers align optical-axis rotation to couple more light into a guide plate and widen AR display FOV.

This illumination case uses inclined light-guide surfaces and prism sheets to limit windshield reflection while improving light usage.

A higher-index tapered light guide maintains efficient illumination while thinning the endoscope tube for easier insertion and flexibility.

This wall-mounted lamp relocates the solar assembly to the holder or pipe, reducing front-end weight and deformation risk.

This case uses oriented light-guide surfaces and reflective members to improve light entry while limiting scattering and absorption.

Specific diffraction periods and orientations expand AR FOV in one light guide plate while reducing color crosstalk and image blur.

A pressure sensor and controller vary damping force to prevent light guide detachment and preserve uniform backlight distribution.

A two-stage molding and casting process improves waveguide combiner surface quality and augmented-reality image clarity.

Integrated waveguides and local field enhancement improve multiplexed reaction detection while reducing optical complexity and cross-talk.

This case uses independently activated edge-lit diffusion sheets and a slotted mask to vary the apparent width of light pipe illumination.

Inclined LED spotlights arranged around an axis expand beam coverage and reproduce annular fluorescent radiation without luminaire redesign.

This case uses superimposed gratings and metal oxide layers to improve image brightness while limiting diffraction of transmissive light.

This case uses LED illumination and a tapered light pipe array to limit angular range, reduce reinteraction, and preserve image quality.

Distinct waveguide patterns and reflective layers distribute LED light across large panels while reducing coupling losses.

A liquid crystal panel uses varied pixel sizes and color transitions to improve image continuity around the optical sensing area.

This case integrates splitters, phase shifters, and slab waveguides for compact near-eye imaging with a wider field of view.

A neuro-fuzzy controller adapts HVAC temperature and fan speed to user preferences, reducing comfort swings, delays, and energy use.

A light-guiding layer refracts LED light perpendicular to the card, improving brightness uniformity and graphic clarity.

This case combines robotic precision with manual reversing to increase cutting and fastening force and broaden surgical tool use.

Alternating wavelength patterns boost plant active ingredients beyond photosynthesis.

A rechargeable solar landscape light uses separate pathway and decorative LEDs with toggle control for selectable lighting modes.

Angle-multiplexed polarization volume gratings separate polarized image lights, improving waveguide resolution and field of view.

Selectable color points, beam widths, and directions deliver higher daytime melanopic lux and lower nighttime melanopic lux.

A flexible plastic ring and spaced blocks cushion impacts around a solar outdoor lamp, limiting distortion and extending service life.

A two-angle LOE redirects illumination through partial reflectors to expand aperture, widen field of view, and limit unwanted reflections.

An optical compensator pre-distorts and zooms images to offset changing curvature in flexible AR waveguides.

Sloped reflective sidewalls scatter guided light into directional beams, encoding view pixels for static multiview display operation.

A lens and lightguide share optical power to present XR images at a finite distance, reducing eye strain without added bulk.

Integrated fibers transmit light to external detectors, enabling continuous wound monitoring without disturbing the dressing.

This case uses stacked coupler layers and multi-peak laser wavelengths to deliver collimated light and reduce holographic speckle.

This case uses at least two TIR surfaces and repeated grating diffraction to widen guided ray angles while limiting efficiency overlap.

Optical waveguides distribute light across a larger extraction area, reducing energy density while preserving a low device profile.

A single light guide plate uses a two-dimensional grating to expand near-eye display field of view while reducing weight and cost.

A light guide plate sets higher brightness at the reflective-panel surface to reduce white fog and preserve display frame clarity.

Integrated light sources and a lightguide turn an apparatus closure into a status indicator while preserving selective access.

A transparent light-conducting member separates optical and sealing zones, preserving mesh points while reducing thickness and dust entry.

This case uses Nx greater than Ny in an extruded light guide plate to improve uniform emission and display quality.

Air gaps and absorptive lines segment an edge-lit light guide, reducing diffusion while preserving uniform visible-area lighting.

This case uses optical adhesive over light-guide microstructures to reduce interface reflection and improve uniform display emission.

This case combines magnetic attraction, a reinforced base, and optical protection to improve alignment and handling under assembly stresses.

This case shows how apertured dual reflective elements replace adjacent tape to improve extraction and reduce bright/dark bands.

Spatially varied low- and high-index gratings improve blue and red light outcoupling uniformity for sharper AR images.

A battery-powered light strip fits inside cushion piping, adding nighttime visibility and ambiance without changing the outer appearance.

A compressed elastic layer and dual-adhesion adhesive structure reinforce the cover bond, expel air, and protect image quality.