Mechanical Apparatus TRIZ Cases

See how a columnar hollow filter with an integrated scraping member automatically removes pet h

See how an AI-powered universal control board predicts HVAC faults before they occur, reducing

See how pre-setting expansion valve opening degree before cooling or heating restart eliminates

See how predictive inference prevents temperature fluctuations when multiple indoor units perfo

See how a parallel static expander and controllable valve prevent compressor damage from uncont

See how a cascade heat exchanger stores heat in the secondary circuit to defrost the primary he

See how a nested sub heat exchanger inside a cascade unit controls refrigerant superheating wit

See how thermistor positioning and controller feedback replace custom bimetal switches to adapt

See how sensor extraction and dedicated airflow pathways isolate ambient air quality sensing fr

See how adaptive sensor data acquisition shortens intervals only when malfunction signs appear,

See how segmented water box and cooling fluid portions extend heat exchanger length to provide

See how occupancy sensors trigger automated UV-C sanitization during unoccupied periods, reduci

See how a removable heating module with airflow-matched element shape prevents hot spots and th

See how joint optimization of server deployment and cooling parameters prevents local hot spots

See how clustering indoor spaces by environmental data enables rapid comfort adjustments throug

See how modular units with fewer than four walls connect to form scalable interiors with integr

See how automatic voltage detection eliminates manual jumper selection in pool heater controls,

See how alternating parallel sterilization devices with filtration, electret, and disinfection

See how sensor-driven detection of pH, hardness, and turbidity triggers adaptive cleaning fluid

See how normalized humidex temperature combines humidity and temperature data to optimize HVAC

See how an air conditioner uses ambient sensors and switchable air output configurations to rap

See how a binary refrigerant circuit with cascade heat exchanger and external receiver balances

See how routing compressor discharge refrigerant through a base defrost pipe prevents outdoor u

See how a ventilator uses converted relative humidity calculations at extreme temperatures to r

See how a fan coil controller detects heating or cooling mode by monitoring space temperature t

See how fastener-mounted sensors detect unauthorized access in passive HVAC components using po

See how a thermoelectric element between dual fans enables heating and cooling without refriger

See how a main controller synthesizes indoor and outdoor unit signals to stabilize room tempera

See how a thermostat monitors power frequency to detect generator backup, then sheds non-critic

See how removably coupled through-pipes and couplers enable in-row cooling units to convert bet

See how an air funnel between heat exchanger and blower maintains uniform air pressure and velo

See how a gripping portion positioned at least 5 mm below the housing top enables easy removal

See how damper opening adjusts based on evaporator temperature and compressor duration to preve

See how a ceiling-mounted appliance hub integrates climate control, lighting, and fire suppress

See how a covering member or coating film blocks copper-ion flow from copper to aluminum refrig

See how a control system detects A2L refrigerant leaks, runs the fan to mitigate concentration,

See how screen-independent mode enables air conditioners to operate via external terminal contr

See how cable-connected control boards enable automatic information transfer from defective to

See how voltage waveform analysis replaces temperature monitoring to detect HVAC component fail

See how a phase adjustment mechanism optimizes gas-liquid ratio in CO₂ ejector refrigeration to

See how conflict detection between indoor units enables stable self-cleaning in multi-split air

See how a hybrid cooling unit merges air and liquid circuits with valve-controlled refrigerant

See how dual-threshold protection control adjusts compressor speed to maintain indoor heat exch

See how substrate apertures control airflow velocity and light coverage to improve photocatalyt

See how a reversing valve and recovery heat exchanger enable heat recovery from extracted air w

See how valve-controlled switching between series and parallel magneto-thermal container connec

See how a LAMEE evaporatively cools water to wet-bulb temperature, reducing data center cooling

See how modular shipping container structures use integrated airflow systems to transition betw

See how combining evaporative cooling pads with thermoelectric water cooling reduces energy use

Multiple photoresist layers bridge large optical openings while enabling finer electrical interconnect patterning on photonics chips.

Unequal grating periods in two directions improve light coupling while reducing brightness non-uniformity and screen door artifacts in AR waveguides.

Micro-prism surfaces and a wedge light guide collimate LCD backlight output to ±25°, improving anti-spy performance beyond most privacy films.

Alternating LED positions in a light guide plate cut keyboard backlight cost while preserving cyclic color changes and marquee effects.

Multiple SLED beams are combined in free space to widen emission bandwidth and simplify polarization control for display and OCT use.

A rotating horizontal LED row lets a security floodlight mimic low-light camera activity, adding deterrence without camera hardware.

Leaf springs, shaft connectors, and pad scrapers ground an insulated metal downlight housing while a heat dissipation plate manages heat.

Bonded optical blocks with non-parallel internal reflectors enable 2D aperture expansion in compound light-guide elements for improved image projection.

A bent reflecting plate redirects stray light from a backlight through-hole, improving under-screen camera imaging and avoiding black edges.

A unitary spring latch secures a luminaire door without screws while enabling single-handed opening, easy maintenance access, and reduced vibration.

Diffraction-based image and infrared light guides expand gaze detection beyond separate IR paths while preserving virtual image display quality.

Thiol-containing polymer optical layers improve HMD waveguide eyebox efficiency while limiting weight, thickness variation, and delamination.

An upstream beam splitter divides the in-coupled beam to fill pupil replication gaps, improving output density and illumination uniformity.

Multiple fixing-disc hole positions shift the light mount to rebalance off-center ground spike fixtures and reduce tipping risk.

A decreasing refractive-index coating cuts reflection and retardance in optical waveguides, preserving see-through clarity and stable image brightness.

A bore-based waveguide spreads surgical illumination across a larger extraction area to limit thermal damage without increasing instrument profile.

Cross-oriented nanobeam metasurfaces diffract visible light into waveguides at high angles, shrinking AR optics while preserving image integration.

Two cholesteric liquid crystal layers with different helical pitches improve light refraction into a light guide and widen AR display FOV.

A fluorescent compensation layer absorbs leaked source light at the display edge to improve color temperature uniformity and reduce bluish emission.

Light recycling mirrors in a reflective waveguide recover depleted light to improve AR display brightness, uniformity, and field-of-view continuity.

Wireless light pairing across infusion lines mirrors visual signals at both ends, helping staff quickly match each IV line to its fluid source.

Distributed boosters raise 11-15V AC to 30-50V DC for outdoor RGBW mini lights, easing installation and reducing wet-condition GFCI trips.

Orthogonal sub-waveguides and multiple total reflection layers improve light collection uniformity and reduce loss in naked-eye 3D displays.

Polarization-guided anamorphic waveguides expand AR/VR eyebox and field of view while maintaining brightness, uniformity, and lower optical complexity.

A low-height light guide and reflective members improve light entry and uniform brightness while keeping the display structure lighter.

A coherent fiber bundle remotely couples the image source to the waveguide, boosting brightness while easing heat, EMI, and weight constraints.

Irregular unit-cell grating elements create asymmetric diffraction to couple more light into AR waveguides with lower grating complexity.

A mask-guided plasma etch patterns high-index glass directly, improving grating resolution and avoiding interface-related optical artifacts.

TIR surfaces route collimated light through central and lateral lens elements for planar output without added coatings, reducing glare and aberrations.

Stacked waveguides expand image beams in two dimensions to widen smart glasses FoV without adding bulky or heavy optics.

Inclined compressible tensioner elements keep optical films planar under thermal and mechanical stress, reducing wrinkling and displacement.

Faceted convex or concave rod surfaces improve light uniformity, cut losses, and prevent multiple imaging in inhomogeneous beams.

An intermediate light guide pre-mixes LED output before it enters the planar waveguide, reducing color and brightness inhomogeneity.

A segmented shield assembly surrounds the refrigerant cycle device to damp noise and vibration while routing leaked refrigerant outward.

Integrated gratings combine two-direction beam expansion and extraction to reduce grating area, haze, and nonuniformity in wide-angle displays.

Opposing J-hooks secure socket wiring in horizontal or vertical positions, avoiding holder changes and time-consuming rewiring.

Low-refractive-index layers guide light through the optical device, reducing stray light and improving contrast.

Embedded reflectors complicate rectangular light-guide fabrication; partially-reflecting coatings enable compact optical aperture expansion.

Variable particle density in a matrix scattering layer improves luminance uniformity across the panel while limiting color shift.

A first light guide plate reflects light from a side source without extra film layers, improving brightness for auxiliary viewing angles.

3D-printed interconnects conform to the emitter and substrate, leaving more clearance for optical structures and improving light injection.

Combining LED uniformity with laser power through waveguides improves inspection illumination despite space and cooling constraints.

An opaque aperture limits extraneous light before a waveguide and mirror route signals to detector arrays, reducing saturation and measurement interference.

A bendable reflective sheet expands into a position-limiting gap to prevent deformation and preserve backlight optical quality.

Substrates above refractive index 2.2 guide red, green, and blue light in one eyepiece layer, expanding field of view while reducing waveguide count.