Mechanical Apparatus TRIZ Cases

See how electronic locks track IAQ sensing device position and generate alerts when devices are

See how saturation temperature monitoring detects water heat exchanger leaks before pressure eq

See how a light guide sheet on a carrying frame directs multi-element illumination to distinct

See how partition walls and independent return air systems enable localized cleanliness and VOC

See how an articulation unit and standardized linear actuator enable reliable cover opening acr

See how a roller-brush system cleans the prefilter inside a dust collection chamber, preventing

See how a bridge-circuit flow path mechanism with four independent valves replaces dual four-wa

See how dynamic superheat control using an internal heat exchanger and adaptive expansion valve

See how continuous machine learning maps compressor power to temperature inputs, enabling immed

See how NFC authentication and automatic AP credential transfer eliminate manual network entry

See how stopping the low-stage compressor before switching the four-way valve reduces pressure

A vertical airflow path, split suction ports, and rotatable discharge improve purification and user-directed airflow in tight spaces.

See how audio signature detection and ignition timing enable HVAC burner assemblies to self-dia

See how a cooling assembly switches between passive condenser and heat exchanger modes without

See how a flexible sealing member blocks air entry into the driving device slot, preventing con

See how a dual evaporator-condenser refrigeration cycle with modulating valve control increases

See how periodic UV sterilization control based on water replenishment state reduces heat damag

See how microphone-based audio signature analysis detects combustion air inducer and controller

See how removing the scrim layer from aramid-polypropylene filter media reduces pressure drop a

See how a modulating preheating device uses dewpoint calculation and sensor feedback to prevent

See how a wearable electro-ionic device uses voltage cycling and ozone generation to kill trapp

See how a networking controller and air quality detector enable real-time pollution monitoring

See how dual heat exchangers separate cooling and reheating stages to cut dehumidification ener

See how a duct smoke detector uses internal particle generation and venturi-based airflow monit

See how an exhaust fan integrates air guiding, filtration, and networked control to detect and

See how a curved first filter unit and detachable second filter unit with differential air flow

Baseline-subtracted indoor sound signatures let users detect blower faults before service, cutting HVAC downtime and repeat visits.

See how a partitioned housing isolates the compressor in an internal cavity to reduce slugging

See how a valve system maintains counterflow arrangement in both heating and cooling modes to i

See how cloud-server and local machine learning models segment training and inference to optimi

See how visual and sound-based diagnostics enable HVAC systems to identify faulty components an

See how a multifunction attic fan uses solar-grid hybrid power and dynamic speed control to red

See how integrating internal threading in the rotor sleeve and external threading on the drive

See how a RAC system matches temperature and ventilation to renewable energy supply using predi

See how capacity tables and correction factors estimate HVAC power consumption without meters,

See how an HVAC energy management system compares forecasted power consumption with renewable p

See how segmented heating wires on a refrigerator door operate adaptively based on temperature

See how a networked exhaust fan uses real-time pollution detection to adjust extraction rate dy

See how predictive defrosting control uses frosting maps and meteorological data to reduce fros

See how blending acid scavengers with polyvinyl ether or polyol ester oil neutralizes decomposi

See how recovering non-flammable refrigerant from existing facilities enables safe transport an

See how a rotatable dial with LED ring indicators simplifies HVAC temperature control, preventi

See how a correction coefficient adjusts meterless HVAC power estimation for fouling and non-st

A chambered bypass airflow path keeps particulate sampling stable while enabling real-time HVAC air quality and filter assessment.

See how pressure-based cooling duration and temperature-based heating control improve evaporato

See how a sealed electrical wall box with glands isolates the temperature sensor from wall cavi

See how a thermostat calculates temperature delta and rate of change to minimize overshoot to 1

By placing the air flow sensor in the rain hood and electronics outside, AHU monitoring becomes easier to install and maintain while resisting water ingress.

See how pressure-difference measurement replaces temperature-based methods to calculate individ

Terminal connections between segmented robot cables relieve stress at the end effector, simplifying maintenance and reducing damage frequency.

Segmented RF electrodeless plasma lighting units direct illumination via tailored optical elements for precise surface coverage.

Integrating light-emitting elements into the stack structure eliminates non-functional areas and enables a bright light ring effect.

A lighting fixture light reflector redirects emitted light through panels to enhance illumination coverage.

Integrating microstructures and diffusive beads into the light guide plate eliminates costly optical films while maintaining uniform illumination.

A multiple-input power converter manages energy flow between solar panels and battery assemblies to optimize lighting duration.

Integrated coupling optics reduce light coupling losses from Lambertian sources into waveguides, enhancing efficiency.

Recesses in the scattering substrate embed LEDs to prevent misalignment and light leakage.

Fiber optic cables guide 222 nm UV-C light through a suction tube to inactivate pathogens while minimizing harm to human cells.

Holes in the display frame accept backplane protrusions to constrain structural deformation, preventing corner squeezing that causes abnormal color displays.

A bicycle suspension control apparatus staggers front and rear operating state changes using a single device.

A diffusion element scatters illumination light through fine particles dispersed in a homogeneous medium.

A segmented light guide uses alternating refractive index layers to direct reflected light back toward the display panel.

Segmented convex lenses and a reflective layer with optical windows resolve the contradiction between forward luminance and multi-directional visibility.

A retroreflective light guide plate enables compact aerial image display by internally reflecting light without bulky component inclination.

A frame-shaped light reduction portion reflects incident light to suppress color unevenness in backlight assemblies.

Elliptical or polygonal dots on light guide plates redirect scattered light to eliminate bright lines and achieve uniform illumination in LCD displays.

A display device uses a light direction control section to adjust light passing through reflective layers.

Aligning the diffraction optical element pitch with the narrow image aspect suppresses brightness unevenness and color shifting across viewing angles.

A glass laminate lighting unit uses high and low refractive index regions in a surface layer to manage light propagation.

Transversal Anderson Localization in a light coupler enables efficient coupling into thin light guides, resolving design complexity.

Segmented lighting and lateral offset routing resolve space constraints while enhancing switch visibility.

Merging the color filter substrate and upper polarizer into a continuous layer that eliminates step height and prevents pad cracks in LCD devices.

Light fibers in a self-illuminating harp create plumb lines that correct lens distortion and improve spatial accuracy.

A magnetic layer couples a reflective plate to a backlight chassis bottom portion, reducing attachment time and preventing damage during maintenance.

A light guide with a profiled entry face directs light toward the exit face.

A backlight module uses intersecting grating structures to transform point source light into a large-area coherent beam.

A light guide integrates transmission and reflection diffraction elements to direct guided light toward emission surfaces.

A simulated rock shell encloses pre-installed lighting cans to conceal fixtures and protect components from environmental factors.

A plate-like light guide arrangement channels LED light through an opening and peripheral edge to emit illumination in opposite directions.

Stacked thin film layers reduce display volume while maintaining light coupling efficiency through total internal reflection in the folded configuration.

A backlight unit light guide plate features a groove and projection to direct LED light toward the panel.

Integrates a bulk optic component and optical waveguides on a common substrate, reducing reflections and scattering at interfaces through butt-coupling.

Spacer elements and compliant cooling prevent evanescent wave light losses while minimizing thermal resistance.

Distance sensors detect positioning abnormalities to adjust light emission, maintaining luminance consistency without photosensors or filters.

Magnetic coupling drives a follower ring in the counter, resolving manufacturing tolerance issues that cause unreliable dose counting.

A projection device uses a rotatable support to guide light from the base to the head.

Varying the light guide film thickness compensates for natural light falloff, resolving inconsistent illumination across keyboard keycaps.

A light engine system merges high and low etendue beams using a distal end face within an expanded optical path.

Camera-based control adjusts surgical light position based on staff movement, eliminating manual adjustment delays.

A wheel motor charges the main battery in reverse mode while a damping component absorbs shocks from the wheel set.

Dual light guide plates separated by a shielding film resolve the trade-off between anti-peeping and brightness without manual sheet placement.

Segmented precast concrete bodies with integrated drainage and alignment features reduce installation complexity compared to monolithic metal fixtures.

Arc-shaped protrusions on a polarizer protective sheet disperse impact pressure, preventing prism sheet damage while enabling thinner LCD device designs.

Symmetric folded springs connect a rotary element to restraints with varying lengths to maintain resonant frequency consistency.

A light guide plate uses strategically positioned grooves to control internal reflection and refraction for uniform luminance distribution.

A light extraction member uses a low refractive index control layer to extract light from a guide portion without complex surface structures.

A hemispheric mirror reflects Lambert-distributed light from a planar LED to match the numerical aperture of an optical fiber.

Varying top chassis surface roughness irregularly reflects light, minimizing leakage between the display panel and chassis.

A hybrid light tower controller manages power distribution between an engine-driven generator and a battery pack.