Mechanical Apparatus TRIZ Cases

See how accumulator-based differential measurement enables accurate liquid equalization across

See how capacitive liquid level sensors replace superheat calculation to control expansion valv

See how a distributed detection network uses particle sensors, cameras, and server association

See how temporal course analysis and interdependency detection group HVAC devices into zone set

See how wearable allergen sensors and location tracking replace manual awareness techniques to

See how identification-based signal routing enables wireless remote control of indoor units thr

See how a multi-layer header with tilted plate openings improves refrigerant mixing and heat ex

See how ductwork-based wireless signal transmission with repeaters eliminates cable perforation

Wireless air quality sensors and dynamic air exchange models reveal ventilation dead zones and estimate indoor infection risk in real time.

See how electrostatic corona discharge replaces UV and ozone methods to sterilize air in second

See how dynamic blower speed control adjusts vacuum levels based on sensor feedback to maintain

See how NFC wireless communication enables HVAC hot surface ignition modules to receive and sto

See how curved guides at the discharge grille convert upward fan rotation into controlled later

See how a laminar airflow device emits clean, ionized air to deflect external air currents and

See how a circulating airflow path through the electric control box uses fan-driven pressure di

See how inclined discharge grilles and upward air flow prevent re-introduction through the suct

A shared dry cooler and free-cooling loop cut refrigerant charge and compressor use while maintaining cooling capacity in modular HVAC&R plants.

See how a simplified infrared sensor generates binary leak signals to detect mildly flammable l

Programmable AHU modules use location-based control logic and near-field setup to cut wiring errors and speed on-site installation.

See how independent control of multiple indoor fans at different speeds balances dehumidificati

See how a vehicle-mounted filter uses electrostatically charged cilia layers to trap ambient po

See how forced ventilation mode continues during air-conditioning operations to maintain safe i

See how a wall opening and partition plate enable manual pressure relief valve operation in a c

See how stepwise refrigerant recovery—first to the accumulator, then to the outdoor heat exchan

See how adjusting throttling device openings delays outdoor heat exchanger frosting, prolongs c

See how connecting a pressure relief valve to a gas-liquid separator saves space in heat medium

See how coordinated ventilation in adjacent rooms prevents condensation by detecting communicat

See how valve-based flow control routes low-temperature heat medium to non-requested units duri

See how a hydronic economizer with spray nozzles lowers wet bulb temperature to enable free coo

Angled guide vanes straighten fan discharge in a compact air purifier, extending purified airflow toward the user's face without larger fans.

See how high-frequency vibration sensors detect refrigerant-circuit abnormalities in HVAC syste

See how a bracket-mounted sensor probe detects condensate overflow without interfering with rem

See how capacity-limited remote operation and staggered start control reduce accident risk and

See how dual independent coolant pathways with impinging jet streams enable redundant cooling f

See how independently controlled dual exhaust fans prevent stall in HVAC energy recovery system

See how a heat pump uses two dedicated compressors—one for cooling, one for heating—to eliminat

See how dynamic series-parallel heat exchanger switching prevents refrigerant pressure loss and

See how pressure-based control of refrigerant injection from a flash tank stabilizes cooling pe

Sensor feedback adjusts heat and UV exposure to raise core body temperature safely and tailor therapy to skin tone and user physiology.

See how a multi-layer 3D filter structure with impregnated germ-killing substances reduces nois

See how a state analyzer segments refrigeration cycle charts into discrete state spaces with no

See how HVAC damper and fan control enables emergency purge mode to circulate 100% outdoor air,

See how a mounting bracket integrates temperature sensor, powered anode rod, and controller thr

Separate LED product lighting and a self-illuminated panel improve visibility, avoid sign obstruction, and enable remote message updates.

See how counter-flow direction control in outdoor, relay, and indoor heat exchangers reduces pr

Predictive DCIM calibrates compute, power, cooling, and network resources from real-time density data to cut data center energy waste.

Temperature-based crankshaft heater control preheats high-drop air conditioner compressors to protect oil return and stable low-temperature operation.

See how IAQ sensors detect harmful gas and trigger ventilation or block room allocation until a

See how dynamic static pressure setpoint adjustment based on VAV damper positions and airflow d

Alloy quantum tube brackets expand freely along their length to prevent bending deformation in backlight modules.

Segmented reflective surfaces redirect light beams from emitting units to eliminate dark zones behind LEDs and ensure uniform illumination.

A thin film backlight unit uses holographic patterns on an ultrathin light guide to convert point sources into collimated light.

A segmented backlight adjusts local luminance while a liquid crystal dimming panel controls transmittance to optimize display output.

Replacing leadscrews with a rack and pinion mechanism eliminates friction losses, reducing the motor torque required to actuate the steering column lock bolt.

External light sources transmit via fiber optics to illuminate interiors, eliminating electrocution risks and preserving container integrity.

An infrared light guide strip heats the liquid crystal layer to maintain operation in cold environments without adding complex mechanical structures.

Mechanical device splits motor torque into opposing components, balancing cab and counterweight loads to reduce energy absorption during vertical motion.

Holographic films expand collimated light across a large sensing area, resolving the trade-off between wide coverage and high fingerprint recognition precision.

A matrix of LEDs uses a fiber optical unit to convey light reflections from touch inputs for precise detection.

A light delivery system embeds a diffusing element within a surface to output activating wavelengths that promote photochemical reactions for disinfection.

A light guide body uses a deflecting element to route light toward an extended exterior surface for emission.

The light guide plate uses a light-blocking opening in its transition region to prevent color mixing and maintain high color purity for electronic displays.

Laser ablation segments a porous substrate into discrete high-refractive index islands, suppressing scattered light and enhancing extracted beam directivity.

A virtual image display apparatus uses a luminance adjustment member to optimize pixel brightness distribution across the exit pupil.

A light bulb projector uses interchangeable gobos to project customizable images through a transparent housing.

Segmented optical guiding bodies create moving light visibility without extending wire leads or substrates, reducing device size and manufacturing costs.

An intermediary phase matching layer compensates for abrupt phase steps caused by semi-transparent mirrors, preserving image sharpness in compact displays.

Hybrid LED and RGBW sources on a movable mount integrate security sensing and decoration, eliminating the need for separate lamps.

Variable pitch diffraction gratings on a single light guide plate expand the display angle-of-view while suppressing color unevenness and ghosting.

A backlight module uses a reflective layer between the substrate and light emitting diodes to enhance light extraction efficiency.

A vapor chamber unit supports light sources while dissipating heat through a coupled heat sink.

Multiple light guides within one fixture reduce installation complexity and cost while maintaining adequate illumination levels.

A pneumatic control system uses a volume and choke to prolong pressure delivery, ensuring complete hand brake release despite transient activation.

Asymmetric tooth profiles prevent chain disengagement during counter-rotational downshifting.

Hinged arms with bearing clips hold reading material securely, preventing loss of place while enabling smooth page turning.

Variable thickness torque transmission bands raise natural frequency and reduce vibrations, easing servo motor tuning for larger semiconductor substrates.

Second reflective members fill gaps between devices to maintain connection reliability during miniaturization.

An inclined emitting surface directs light toward the opposite surface of a light guide plate, reducing leakage and improving incident efficiency.

Intersecting inclined and vertical V-shaped structures on a wedge-shaped light guide plate eliminate uneven light and dark phenomena in large screen LCDs.

A front light module uses a dual-layer adhesive film assembly to bond an optical film to a microstructured light guide plate.

A multi-stack joined body fuses transparent members via an intermediate layer to achieve ultra-high joining strength.

A lens with concave entry and convex exit diopters shapes round LED beams into asymmetrical distributions.

Curved light guide surfaces condense beams in the sub-scanning direction to resolve uneven surface reading issues.

Truncated splines in a crank axle coupling create recessed areas that reduce stress concentrations, preventing deformation under pedaling loads.

A rotatable lighting module with an inclined solar panel adjusts its orientation to maximize daily energy absorption.

A LED lamp structure shifts emission to the 405-420 nm visible band using standard caps.

Opposite transmittance trends between light-guiding elements and structural layers balance absorptivity, reducing color deviation in polymer waveguides.

Segmented lighting elements pivot to adjust angles, resolving adaptability versus complexity.

A backlight module uses light extracting gratings to emit light at preset angles from a light guide plate.

A modular light engine module uses a dynamic latch to secure lens elements and LEDs within the fixture housing.

A luminous bottle stopper uses a light guide body to transmit light from an embedded module through a flexible sleeve.

Modular solar fixtures use concentrating optics and electronic management to resolve installation complexity and inconsistent light output.

A medical headlamp uses an iris assembly to focus light from a bare LED without a silicone dome lens.

A curved lightguide redirects display light via total internal reflection, expanding the visual field while reducing optical component count and device volume.

Asymmetrical deflectors on a light guide plate reduce surface area and manufacturing costs while maintaining image formation capability.

A backlight module integrates a limiting block and slot to position the light guide plate within the glue frame.

A pressure-sensing touch system detects events via light intensity changes from a bent light guide plate.

Spatially variable pitch in the diffractive in-coupler increases light throughput and eyebox size, resolving bulkiness constraints in head-mounted displays.

A solar lamp combines high-power LEDs with electrocuting grids to provide illumination and insect elimination.