Mechanical Apparatus TRIZ Cases

See how pressure regulating elements create uniform pressure drops across parallel heat loads,

See how CO₂ sensors with real-time alerts and historical data analysis guide natural ventilatio

A linear UV lamp mounted on the fan guide sterilizes the full fan length evenly while reducing airflow resistance and light-source complexity.

A movable ejector needle switches refrigerant flow paths by outdoor temperature to sustain heat pump heating efficiency across cooling and heating modes.

A non-return service connection lets inert gas or water flush an encapsulated heat pump housing and vent flammable refrigerant safely outside.

A control unit switches normal and wide airflow modes to spread heating or cooling quickly while reducing draft and condensation risk.

See how a dedicated makeup air duct built into the bottom plate overcomes outdoor fan interfere

See how a reversible valve directs refrigerant to a reheat heat exchanger in both heating and c

See how integrating a speech recognizer with microphone and speaker into wall-mounted air condi

See how injecting setpoint changes during pre-cooling segments improves data quality for predic

See how a modular ionization device uses an ozone catalyst to convert harmful ozone into oxygen

See how multipoint air sampling with dilution and adaptive delays reduces sensor fouling in exh

See how automated vacuum testing prevents premature compressor start-up by verifying evacuation

See how an integrated heat pump with vacuum insulation and internal fan placement reduces exter

A heat exchanger and centrifugal blower turn stagnant dock airflow into high-velocity conditioned air for more comfortable trailer ventilation.

Gas sensing guides a movable air conditioner to polluted spaces, identifies harmful gases, and triggers targeted air cleaning automatically.

See how inclined UV light source positioning increases filter irradiation area and uniformity w

See how substrate apertures control air flow velocity and channel distribution to maximize phot

See how a planar heater with dual heating-wire zones and sensor-driven control adjusts power dy

See how an air conditioner integrates a wireless power feeder to eliminate direct power cables,

See how pressure sensors and damper control detect air infiltration and adjust zone pressure to

See how an elongated UV lamp mounted on a guide sterilizes the entire fan uniformly while minim

See how an upstream electrode between discharge electrode and suction panel redirects ions to c

See how inverting air intake and exhaust paths—drawing through upper pre-filters and exhausting

See how an air conditioner calculates temperature substitution values from operating parameters

See how exhaust temperature period analysis detects refrigerant leakage in air conditioners, re

See how a tabletop scent dispenser uses battery power, tag-based vial recognition, and pressure

See how a two-body air cleaner uses radial discharge and a flat upper surface to enable table f

See how dynamic heat exchanger mode control balances cooling and heating loads to prevent cycle

See how a pressure equilibrium pipe with preliminary valve action equalizes refrigerant pressur

See how a multi-layer cover with grooves and magnetic sealing enables radial air discharge whil

See how forming passage surfaces in one piece with side surfaces and using adhesive for sealing

See how a server-driven system reduces installation position confirmation man-hours by automati

See how a shielded liquid level sensor with spatial positioning prevents high-velocity gas refr

See how a radial lower wall guides discharged air outward, preventing re-introduction and vorte

See how vertically arrayed blowers generate helical air currents to form a compact, movable air

See how load-condition monitoring detects stable temperature periods to trigger user ventilatio

See how a ventilation control device reads device capacities and distributes exhaust air volume

Dynamic fan, rotor, and damper control keeps air at about −20°C dew point with stable ±5°C tracking for moisture-sensitive manufacturing.

See how a segmented discomfort index chart maps operational and environmental data to distingui

See how a water-cooled condenser and distributed fan coil units mounted near the ceiling enable

See how an adapter mediates erasure instructions between air conditioner and server to simplify

See how a rotating dryer stand integrates air purification, detects mounted devices, and adjust

Mode switching in the converter and inverter suppresses bus voltage overshoot during sudden load changes, protecting the smoothing capacitor.

See how parallel fixed and variable expansion devices reduce pressure swings and thermal lag in

See how parallel compressor systems with heat exchange boost gas temperature and mass flow rate

See how integrating a carbon dioxide remover and oxygen generator into air conditioner units re

See how an HVAC controller switches to secondary sensor feedback when primary sensors fail, mai

See how a tapered filter assembly with brush cleaning and dynamic fan control adapts purificati

A diffractive beam expander expands light beams using waveguiding substrates and grating portions.

A wedge light guide uses a polarization selective redirector to manage optical paths within compact assemblies.

A variable focal backlighting system directs light toward viewer pupils using a birefringent wedge and liquid crystal layer.

Side-mounted light sources fill illumination voids in autostereoscopic displays, improving spatial uniformity without increasing system size.

Half-width housing sides bridge gaps between light cells, resolving visible boundaries in combined arrays while maintaining precise separator dimensions.

A fiber optic security system monitors light signals through cables affixed to monitored items.

A light-emitting device uses a segmented light-guiding member to direct optical energy from the source toward a wavelength conversion unit.

Embedding quantum dots inside the light guiding plate protects them from moisture while maintaining a thin profile for mobile displays.

A light guide film uses a higher refractive index member unit to enhance total internal reflection and transmit optical energy efficiently.

Adjusting incident positions ensures equal maximum separation distances, reducing multiplexed light unevenness without sacrificing guiding efficiency.

Merging imaging sections with transparent panels resolves surface area constraints by enabling biometric authentication without increasing device footprint.

Staggered optical fiber bundles replace bulky LED chips on the light guide plate edge, resolving space utilization and production flexibility trade-offs.

A secondary lens with a compound outer surface redirects LED light toward a preferential side using a ridgeline and concavity configuration.

A solar light assembly with a rotatable housing allows independent orientation of the luminaire relative to the fixed solar panel.

A recessed luminaire integrates a pivot-mounted heat sink with an off-center tilt mechanism to maintain optical alignment while dissipating thermal energy.

Partition walls separate battery and LED compartments in this cordless light, enabling airflow that cools the heat sink while maintaining water resistance.

Dam structures on the substrate allow dense mounting of light-emitting devices, resolving the trade-off between backlight thickness and illumination intensity.

Segmented waveguides with intermediate light sources resolve illumination non-uniformity in autostereoscopic displays while maintaining high brightness.

Elastically deformable holding members secure light guide members, reducing optical interference between adjacent units in compact displays.

A collimator with asymmetric angles directs light to maximize incident density on its surface.

An optical fiber system transmits remote control and indicator signals, eliminating cable connections that increase manufacturing complexity.

Integrated light guide plate lens and prism patterns eliminate separate optical sheets to reduce device thickness while maintaining high luminance.

A coherent fiber bundle uses a virtual light source to determine its transmission matrix for interference correction.

Reflective wavelength converting member redirects unconverted light back through the converter to improve efficiency while managing heat dissipation.

A fixturing cassette aligns a light guide with an LED source using locating features, reducing tolerance stack-up and maintaining position under vibration.

Optical micro-structures with multilayer stair-structures diffuse light beams through refraction and reflection to enhance illumination uniformity.

An integrated edge reflector molded from reflective plastic prevents light leakage in thin light guide plates without increasing device weight.

Irregular slots in a filter lens redirect light to compensate for distance attenuation, ensuring uniform brightness across the illuminated surface.

Integrating the coupler into the housing eliminates separate assembly steps while maintaining precise axis alignment and a waterproof seal.

A light unit uses protrusions and a reflective member to direct emitted light onto a display panel.

A light guide plate integrates quantum dot capsules within a transparent substrate to enhance color reproduction and brightness.

Twisted optical fiber threads guide light through a helical lace fabric structure, maintaining brightness when bent to solve LED damage risks.

Optimized lateral and interior edges in a film-based lightguide enable sufficient light flux coupling while reducing device thickness.

Tapered optical fibers reduce device complexity and manufacturing effort while maintaining high illumination intensity.

A movable dual-mode infrared filter blocks IR radiation for night vision compatibility while allowing full visible light transmission during daylight operation.

A shift positioning mechanism uses a releasing member to rotate stopping and positioning pawls for precise gear engagement.

An optical element uses plasmon coupling to reduce emitted light etendue without relying on source dimensions.

Extending the optical film assembly onto the backplate outer wall eliminates separate positioning frames, reducing bezel size and simplifying assembly.

Haptic feedback mechanisms in the surgical pedal console prevent inadvertent energy application errors during multi-tool operations.

Switchable gratings in a waveguide display multiply resolution and field-of-view, solving the trade-off between high optical efficiency and device complexity.

Thin film dichroic coatings on waveguide surfaces reflect specific RGB wavelengths to reduce color cross-coupling in head-mounted displays.

Angled LED axis and conic reflector eliminate hot spots by reducing illuminance ratio to 10:1 or less.

Internal sweep portions and receiving posts in a display halo guide light outwardly, resolving visibility issues at wider viewing angles.

Multiple LEDs with distinct spectra and a refracting entry surface maintain natural color temperature transitions during dimming.

Asymmetric TIR reflective back surface redirects light to create off-axis background illumination alongside a central hotspot.

Segmenting the central passage into independent working ports resolves the trade-off between single-channel simplicity and multi-tool versatility.

A micro mirror array assembly controls light reflection through electrostatic tilt to direct rays toward a filter.

Automatic illuminance compensation adjusts light source luminance based on focus position detection within surgical lighting systems.