Mechanical Apparatus TRIZ Cases

See how strategic shut-off valve sequencing and expansion valve adjustment minimize indoor refr

See how IoT-integrated CO detection triggers multi-device alarms, automatic boiler shutdown, an

See how sensor data and machine learning models predict asset behavior to optimize air handler

See how an outdoor unit bridges two communication protocols to enable scalable group operations

See how an internal shield positioned between indoor and outdoor portions blocks moisture seepa

Rotatable leak sensor placement above drain outlets helps air handlers detect refrigerant leaks reliably across different installation orientations.

See how a matrix chart translates temperature and humidity values into thermal and dry/wet sens

See how modular appliance hubs with onboard controllers enable zone-based HVAC and lighting con

See how a monitoring apparatus switches between general and care subject-specific modes to opti

See how adaptive set-temperature control compensates for building insulation performance and ou

See how vertically distributed suction mouths eliminate dead zones and air stratification in co

See how a parallel subcooling branch at each indoor unit maintains refrigerant subcooling degre

See how a segmented light guide blocks 90% of LED cross-talk and isolates the ambient sensor to

See how dynamic capacity thresholds trigger defrost before frost severely impacts heating, redu

See how dynamic temperature setpoint adjustment based on building insulation performance reduce

Real-time sensing adjusts mist concentration and contact time in confined spaces to improve surface disinfection and traceable compliance.

See how tree-based rule expressions with duration and repeatability conditions enable complex e

See how feedback-controlled flow direction through a suction line heat exchanger maintains opti

See how a wireless controller stores IR protocols for multiple HVAC makes and models in interna

A shared interlock circuit lets multiple air conditioner safety devices be released together, cutting installation complexity and component loss.

See how summing detection time periods from multiple motion detectors prevents false occupancy

See how reversing valve flow path order prevents high-pressure refrigerant from forcing the val

See how adjustable charge voltage based on measured capacitance extends super capacitor life wh

Closing the refrigerant pipe before sensor verification helps suppress leakage while distinguishing false refrigerant alarms from real leaks.

Combining drain pan images with air conditioner operating and environment data improves contamination estimation accuracy for better maintenance timing.

See how a matrix chart converts temperature and humidity values into thermal and dry/wet sensat

See how integrated control synchronizes outside air processor output restriction with indoor un

Continuous IAQ sensing, photocatalytic purification, and AI control help HVAC systems cut energy waste, detect faults, and improve indoor air.

See how a branching passage and junction flow configuration adjusts refrigerant flow ratio to p

See how dynamic throttle adjustment based on ambient and compressor temperature optimizes refri

See how distributed fan control and airflow sensing maintain heat exchanger volume requirements

See how a multi-layer nonwoven composite using PLA and PBS fibers achieves high dust holding ca

See how a partition plate divides the collecting pipe into sub-cavities, creating turbulence an

See how separate flow passages for humidification, dehumidification, and air cleaning prevent c

Removable mixer inserts replace complex gas heater modifications, enabling tool-free fuel switching with controlled flow and lower overheating risk.

See how adaptive pump control in a refrigerant-water heat-exchange device reduces energy waste

See how an intelligent measuring apparatus integrates wired and wireless sensors with priority-

See how unified control shares heat loads between ventilation and air-conditioning devices base

See how a dual cycle air conditioning system uses a heat exchanger to recover waste heat from d

See how user usage pattern analysis and dynamic preheating control enable air conditioner readi

Cascade hydrocarbon refrigeration freezes plasma bags between contact plates quickly while cutting power use and avoiding CFC, HCFC, and HFC refrigerants.

See how power deviation calculation replaces complex static pressure measurement to correct fan

See how a modular 6-zone controller architecture with single-HMI daisy-chaining enables scalabl

See how integrating environmental models with sensor data enables rapid identification of conta

See how punched-card identification enables wireless networking in multi-split air conditioners

See how a secondary fluid loop with multi-position valve and thermal energy storage reduces ref

See how a catching pressure spring and segmented valve body enable compact, cost-effective refr

Machine learning predicts spot cooler tank fill conditions from operating and environmental data, enabling alerts before shutdown.

Curved light guide plates and matching light sources improve illumination uniformity by reducing visual differences between central and side portions.

A light-shielding body between the light guide column and display screen prevents color changes and light leakage caused by infrared fill-in illumination.

A double-sided display panel uses a central light-emitting module to illuminate two conversion layers for bidirectional image output.

Mortise tenon split design enables bolted assembly of street lamp components, resolving maintenance difficulty inherent in integral weld structures.

A planar light unit uses a diffusing surface on the side of a light guide plate to scatter emitted light and improve distribution uniformity.

Optimized planar gratings achieve over 80% coupling efficiency in thick waveguides, avoiding the manufacturing complexity of slanted structures.

Integrating deflectors into the guide plate eliminates alignment constraints while producing clear three-dimensional images.

A chip-scale LED package uses a reflective structure with an inclined inner sidewall to direct light emission.

A backlight module uses a thermally conductive backboard and embedded LED lamps to transfer heat directly.

Stepped cutout on the elongated light guide mates with a case protruding portion to prevent misassembly and ensure uniform illumination.

A transparent optical element uses a wing-shaped reflection surface to redirect light beams via total internal reflection.

A multiview backlight uses laterally displaced optical mask portions to scatter guided light into directional beams for distinct viewing angles.

Bracket engages angled gate supports to mount a motion-activated light housing, resolving navigation challenges in darkness.

Arcuate light guide and LCD deliver visual warnings on the steering wheel rim.

A mediator layer with a specific refractive index reduces light loss at the interface while enabling efficient thermal conduction to the heat sink.

Interconnecting brackets secure a metal frame to tree trunks, enabling upward and downward LED illumination while eliminating ground-level damage risks.

Anisotropic diffractive lenses modulate light polarization to focus 3D images accurately.

Shared waveguide coupling merges visible display and infrared eye tracking paths, reducing structural complexity while improving eyeball imaging quality.

Asymmetric bulge on optical components resolves surface reversal issues by providing clear visual differentiation for accurate backlight module installation.

Variable focal length liquid crystal lenses enable spatial depth adjustment without increasing device volume or mechanical complexity.

A road lighting apparatus uses an asymmetric refractive lens to direct LED light flux along the roadway surface.

Dual rows of inclined reflecting facets compensate for progressive light loss along the guide while maintaining beam homogeneity across viewing angles.

A backlight assembly uses a second reflector sheet with over 90% reflectivity to redirect leaked light back into the light guide plate.

Auxiliary lighting trans-illuminates an optical fiber to provide uniform interior illumination without separate installation spaces.

Optical adhesive layer eliminates air gaps between touch panel and light guide plate, reducing stray light reflection and improving contrast.

Directivity conversion patterns orient light vertically in surface light source devices to prevent side leakage and enhance efficiency.

A tapered optical fiber with varying numerical aperture expands light angular spread for surgical illumination.

An optical film with an effective index of refraction not greater than 1.3 prevents optical coupling and bright spots caused by layer contact.

Rotating optical fibers in the bearing transmit light from a central source, eliminating complex custom assembly for different vent styles.

A virtual image display optical system manages color dispersion index values across inclined refractive surfaces to form clear images.

Planar holding surfaces press heavy lamp housings via friction, eliminating complex tooth structures and reducing material costs.

Plastic frame with dual attachment surfaces enables full square adhesive tape adhesion for slim bezel displays.

A transparent plastic lightguide incorporates a nontransparent diffuse coating to create uniform brightness distribution across viewing angles.

Opposing gyros pivot rapidly to counteract swerving, then return slowly to prevent instability from excessive angular momentum changes.

Bonding optical sheet peripheries creates a sealed bag that stops dust invasion, preventing black spots and maintaining display quality.

Cascaded splitting films eliminate mirror image overlap in plate waveguides by separating optical paths through specific angle configurations.

A forked holding arrangement segments the structure to reduce device complexity while enabling automatic brake lever release for enhanced safety.

Rear frame protrusions fit into light guide plate recesses to fix the light source unit, reducing brightness variations from scattering.

Polygonal openings in the turbulence reduction component limit vortex formation and maintain receiving sensitivity for accurate flow velocity determination.

A backlight module uses double-sided adhesive tape to attach a heat dissipative sheet directly to the light source.

Superluminescent LED arrays provide spatial coherence with reduced temporal coherence, preventing light homogeneity destruction after pupil expansion.

Segmented grooves intersect single waveguides to enable precise thin-film element insertion.

A wall wash luminaire combines upper and lower LED arrays with motion sensors to deliver adjustable decorative illumination.

A post cap assembly mounts light sources within a base member to illuminate the perimeter of a structural post.

Tilted light-splitting surfaces with increasing gaps reduce dark stripes by minimizing overlapping areas in near-eye displays.

A backlight module integrates a light-guide tube to channel external ambient light into the illumination system.

A backlight module uses flexible positioning sleeves on studs to secure the light guide plate within matching grooves.

An asymmetric heat sink extends along the longitudinal axis of a carrier, enabling larger thermal capacity within confined luminaire spaces.

An integrated radiation guide generates a reference wave to enable holographic imaging of non-transparent samples without external reflectors.

A backlight module integrates adhesive members within elongated slots of optical films to secure components without adding bulk.