Mechanical Apparatus TRIZ Cases

See how independent indoor heat exchangers with dynamic refrigerant switching enable dehumidifi

See how adaptive performance determination processes switch based on thermostat type to prevent

See how a separable auxiliary filter with locking device enables easy attachment, detachment, a

See how a honeycomb first filter and wave-patterned nonwoven second filter trap ultrafine parti

See how segmented plenum design with perforated ceiling delivers high-volume, low-turbulence ai

See how a photooxidation sub-flow treats gas pollutants upstream of particle filters, reducing

See how an auxiliary refrigerant circuit with multi-function switching valves reduces valve cou

See how a winch-and-pulley mechanism replaces linear actuators to arm heavy abort gates faster

See how dynamic outlet temperature setting based on measured flow rate and inlet temperature pr

See how a flexible folding member with self-latching edge portions enables filter frame folding

See how normalizing reference and diagnosis values enables early detection of air conditioner o

See how environmental sensors detect thermal events in HVAC&R electrical components by monitori

See how a PLC-based air sampling system automatically regulates mass flow rates and disconnects

See how an inclined upper body and modular second-body design collect water, prevent electronic

See how ECG-derived inter-beat intervals replace fixed temperature setpoints to personalize HVA

See how a movable sweeping strip driven by a cover plate removes condensate from the air deflec

See how combining display, speaker, and network alerts ensures users detect refrigerant leaks b

See how segmented outdoor heat exchangers enable one unit to defrost while the other maintains

See how compressor-driven refrigerant recirculation with mass flow estimation ensures adequate

See how a counter-weighted sash system uses gravity and locking control to auto-close fume hood

See how an inclined upper body with drainage groove collects spilled liquid in table-top air pu

See how an HVAC controller uses calibration heat signals and thermal imaging to dynamically adj

Suction and head pressure modulation lets a DOAS hold a 45°F dew point while hot gas reheat prevents overcooling and ice buildup.

See how a separate environmental collection module overcomes spatial position limits of air con

See how a bimodal cooling system uses check valves to switch between two-phase pumped loop and

See how a box-body distributor with gradual width expansion and pre-distributor swirl flows red

LED-activated TiO2 ceramic filters break down pollutants instead of trapping them, cutting maintenance and enabling indoor or outdoor air purification.

See how a first valve upstream of evaporator coils enables variable refrigerant distribution to

Two electronic expansion valves replace leak-prone three-way and check valves to stabilize refrigerant pressure and humidity control.

See how wearable air curtain subsystems extend area protection to individuals, repelling airbor

See how dynamic switching between cooling and heating modes based on heat absorber temperature

Switching voice commands between audio and text formats helps air conditioners maintain reliable remote control under changing network traffic.

See how a single humidity setpoint with lockout logic prevents simultaneous humidification and

Short-range wireless requests collect device data across wired air conditioning units without cloud servers or large remote-controller memory.

See how a segmented upper body with protrusion barrier enables tabletop use above an air purifi

See how interpolation on minimal training data enables AI air conditioning control to estimate

A controller asks users to block doors and windows before confirming a fault, reducing false air conditioner service calls.

Corner vent covers, modular panels, and accessible latches make the vault easier to transport, customize, and exit safely.

A scattering cover redirects UV around external electrodes to remove shadowed zones and improve uniform sterilization on cylindrical objects.

See how isolated UVC LED chambers with circulation fans and catalytic materials disinfect air a

See how valve-controlled mixing of gaseous and liquid refrigerant upstream prevents water freez

See how a fan drive circuit detects protection device disconnection and forces fan operation to

See how variable compressor suction thresholds linked to ambient temperature enable precise def

See how dynamic compressor frequency adjustment based on coil temperature feedback prevents ind

See how flash tank pressure monitoring replaces temperature-based control to stabilize refriger

See how prioritizing intermediate cooler capacity over economizer flow rate manages discharge t

See how a dedicated external air passage routes sampled air to a refrigerant sensor, enabling u

See how feed forward control adjusts pump speed and triggers automatic flushing to reduce fouli

See how a segmented filter stack with general VOC and target gas filters protects formaldehyde

A bicycle handle grip incorporates a ball joint to rotate and adjust position, distributing load away from wrists to prevent pain.

A phosphor-loaded waveguide emits secondary light to alter optical patterns upon physical intrusion.

A push-bar indexing device moves a stopper to engage the index table, resolving momentum-induced positioning errors during rotation.

A variable index light extraction layer uses nanovoided and non-nanovoided polymeric regions to selectively extract light from a lightguide.

Universal brackets accommodate varying light strip distances, resolving alignment precision versus versatility trade-offs.

Threaded interchangeable beam-forming units on a base unit switch spot sizes and intensities, eliminating the need for separate head-mounted devices.

Integrating rear and side covers into one plastic component reduces device weight and simplifies the backlight assembly structure.

Segmented light collector units redirect incident light to improve viewing angles while reducing backlight unit thickness and manufacturing costs.

An adjustable LED light panel pivots on the main frame while a microwave sensor detects presence to eliminate energy waste from permanent illumination.

A segmented light guide uses multiple reflecting surfaces to separate and propagate light fluxes toward an optical exit.

Optimizing the tilt link and lever angle to 135-165 degrees resolves the contradiction between material retention and breakout force in loader machines.

Dual-direction LED excitation of a phosphor element increases luminous flux while reducing power consumption and thermal impact compared to Xenon lamps.

A light guide heat dissipation module integrates thermal conduction with optical guidance to illuminate expansion card slots.

A piezoelectric bicycle switch converts mechanical actuation into electrical energy for wireless signal transmission.

A display frame uses a projection and cutaway section to create space for detaching tools.

An embedded fluorophore layer absorbs LED light and re-emits it through housing end walls, eliminating dim illumination caused by epoxy scattering.

A backlight module uses a light guide to distribute illumination across a translucent index dial surface.

Integrating phosphors within a resin matrix protects light-emitting devices from oxygen and moisture exposure while simplifying manufacturing processes.

A backlight light guide plate uses a light refracting portion with varying unit occupancy rates to control incident light diffusion.

Placing a reflective layer on the upper face of sealing resin increases surface area, widening the light distribution angle beyond the semiconductor footprint.

Integrated motor-driven brush cleans ion generation electrodes, maintaining emission efficiency while avoiding external maintenance requirements.

A light guide plate uses distinct optical surfaces to emit luminous flux from opposite sides, creating a dual-sided display structure.

Pattern units on a light guide plate diffuse directional light to compensate for shaded areas, eliminating hot spots without increasing power consumption.

An optical fiber assembly uses an offset launching fiber to transmit light with a wide divergence angle and uniform intensity distribution.

A light guide plate and liquid medium transmit illumination uniformly into a reflective display panel, eliminating bright zones from wall washer lamps.

Resin coating on a U-shaped lamp holder prevents scraping and light leakage when replacing LEDs in deformed liquid crystal display light guide plates.

Rotating the actuator within a housing with lubricant eliminates stick-slip motion, ensuring accurate force transmission in medical instruments.

Relocating the light source into a back plate through hole removes the thick side frame, reducing lower frame width for narrow bezel displays.

A single knob assembly drives diopter and interpupillary distance adjustments in head-mounted displays via cam and spring mechanisms.

Minute projection structures coated with high reflectivity material redirect incident light to specific zones within the optical component.

Remote centralized power supply eliminates battery maintenance while asymmetric optics ensure uniform illumination across varying mounting heights.

A vehicle headlight light guide uses a diffuser area with longitudinal elevations to distribute light homogeneously along the emission path.

A segmented display device uses stacked light transmitting layers to route illumination from discrete sources to specific surface segments for symbol generation.

Positioning the connector at the end of the metal heat sink resolves the contradiction between adding functionality and maintaining optical performance.

A lighting arrangement uses a spreading element to laterally distribute light from a source for uniform emission.

A backlight unit uses two white LEDs positioned opposite each other across a blackbody locus to stabilize synthetic chromaticity.

Integrating the pre-installed driving power supply into the side-emitting LED panel lamp prevents component mismatch damage during user installation.

Relocating lighting, ventilation, and door operators to the hoistway structure reduces elevator car weight and eliminates traveling cables.

Optical fiber delivery isolates UV light sources from thermal probes, preventing heat interference during diamond versus moissanite differentiation.

An asymmetrical reflective pattern on a light guide plate redistributes light from the source array to mitigate hot spots and maintain luminance uniformity.

A lighting unit uses two light source groups on opposite terminals to mix and output light through a central area.

Selective etching removes master grating tool edge protrusions, eliminating refractive index mismatches and secondary image formation in replicated waveguides.

A light guide plate uses first and second stripe microstructure regions to scatter incident light and distribute illumination across the emitting surface.

Physical filter targets 415-455 nm wavelengths while software dynamically manages cumulative exposure to preserve color accuracy.

An asymmetric optical element directs light via total internal reflection to enhance coupling efficiency.

Triangular prisms on light guide side surfaces redirect escaping rays inward, resolving uneven luminance and chromaticity deviations in display panels.

A surface light source device uses a substrate holder with projections to clamp the light-source substrate and lower case lateral side.

An elliptical hollow fiber aperture shapes light into a thin sheet beam, reducing Raman scattering noise while maintaining high image resolution.

A light guide plate with linearly formed optical elements guides and diffuses light to improve distribution uniformity across the emitting surface.