Mechanical Apparatus TRIZ Cases

See how distributed temperature sensors with statistical analysis detect open windows and doors

See how monitoring discharge superheat degree instead of suction superheat prevents liquid-slug

See how relocating the air intake port to the rear surface enables larger ventilation area for

See how a dust sensor measuring two particle-size ranges enables independent service timing for

Magnetometer-based damper sensing improves outdoor air fraction accuracy, enabling HVAC fault detection and lower excess airflow energy use.

See how a vapor compression system calculates reference temperature from historical data to con

See how forced-air bedding climate control adjusts heating power based on backpressure and ambi

Compressor discharge heat is stored and reused for evaporator defrosting, cutting external energy use in refrigeration.

See how coordinated control of in-bed and in-room air conditioners uses room air circulation an

Historical zone setpoints and energy data are clustered to form VRF groups that cut power use and utility cost while maintaining comfort.

See how modular LED modules with concave reflectors and parallel connections eliminate hotspots

See how air exchange logic dynamically switches between native HVAC and ambient air cooling to

See how an array of small, independently controlled fans positioned adjacent to heat exchanger

See how independent UV-C LED control and flexible circuit boards enable hands-free object steri

See how ultra-dense, flexible UVC LED arrays enable in vivo viral load reduction and ex vivo st

See how impulse-controlled heat delivery to metal alloy walls exploits non-equilibrium heat cap

See how multiple UV-C LEDs on flexible circuits wrap around work areas to expand sterilization

See how vertical positioning of the branch portion above the joining portion uses gravity to pr

See how a locking plate with inclined push edges and a puller mechanism clamps filter housings

See how a liquid accumulator with internal cooling heat exchanger pre-cools gaseous refrigerant

See how an auxiliary heat exchanger with segmented refrigerant branches improves low-temperatur

See how raised fastening pieces behind the wall plane hide screws, ensure alignment, and mainta

See how a bypass pipe with flow control enables simultaneous cooling of both chambers and self-

See how vertical duct segmentation with variable blowout openings achieves uniform airflow usin

See how segmented heat exchange units with sequential defrost control reduce total defrost time

See how air compression, humidity regulation, and filtration maintain stable coating conditions

See how dynamic temperature and infectious quanta models enable HVAC systems to balance occupan

See how a cooling water branch passage and second heat exchanger enable free cooling during hig

See how a cooling heat exchanger positioned downstream of electrical components reduces heat di

See how closing the throttling element before four-way valve reversal reduces refrigerant retur

See how a lighting unit with integrated air guide directs downward airflow to maintain cooling

Zone air valves hold preset airflow as duct pressure changes, letting the VRF compressor modulate speed and avoid wasteful cycling.

See how stacked waste containers with independent vacuum control extend continuous operation ti

See how positioning a refrigerant gas sensor below the casing prevents airflow-induced condensa

See how isolation valves and automatic pump-down maintain indoor refrigerant charge below M1 le

See how rotatable flaps and human body sensors adjust airflow angles to reduce room temperature

See how motor current pulsation replaces vibration sensors to detect casing resonance in air co

See how an asymmetric Fresnel microarray lens increases distance to the anti-dazzle cover, redu

See how bypass expansion control uses calculated flow rate and inlet quality to prevent liquid

See how a scene control system adjusts device operations using environmental data and timing to

See how a rotatable desiccant module dehumidifies air before cooling to prevent condensate wate

See how a multiplexer and signal conditioner enable an HVAC controller to detect multiple AC in

See how temperature sensors across a sub-cool circuit enable automatic refrigerant charge deter

See how dynamic expansion valve control balances refrigerant flow across multiple indoor units

See how smart vents with local and central controls adjust apertures to enable precise zone tem

A leak mitigation controller measures A2L refrigerant concentration, shuts down HVAC components, and powers the blower to dilute gas below a threshold.

See how multiple semiconductor gas sensors with ratio-based analysis enable gas type identifica

See how surface temperature monitoring and camera detection enable automatic priority adjustmen

See how combining indirect and direct evaporative cooling with dynamic path control enables 100

See how a revolved lens geometry applies total internal reflection to LED light rays, achieving

A tapered fused fiber bundle overlay guides image light across display panel bezels to create a seamless multi-panel visual surface.

Segmented laser cutting of bonded glass substrates minimizes breakage during the fabrication of light conversion members for display devices.

A light-guiding plate with a recess and reflective member minimizes color shift in display modules.

OLED panel serves as backlight for LCD, reducing power consumption.

A curable quantum dot composition with a specialized binder resin reduces curing shrinkage and enhances luminance.

Segmented LED modules and adjustable power supplies alter light intensity and beam angle without replacing the entire lighting fixture.

A waveguide holder manages light leakage and directional issues by shaping the radiation pattern and spectrum of out-coupled light.

A multi-module illumination device adjusts light intensity based on detected object positions to maintain consistent surgical field visibility.

A panel luminaire uses a curved light guide periphery to redirect emission toward extraction features within spaced structural layers.

A backlight module uses a bent heat dissipating plate and locating blocks to position the light source lamp and glue frame for compact assembly.

A backlight module frame incorporates a shelter portion to absorb stray light and prevent edge leakage.

Inverted LEDs with top reflectors emit light into a transparent dielectric layer that couples adjacent sources, eliminating dark areas from diffuser plates.

Variable street lighting system adjusts light intensity distribution and main emission direction based on traffic density, vehicle speed, time of day, and vehicle typology.

A spherical spectral filter reflects unwanted wavelengths away from the fiber output to prevent heating damage and preserve beam brightness.

A waveguide light projection system uses grating structures to couple out light beams for real-time intensity monitoring.

An optical thinning region with lower refractive index creates total reflection, eliminating ghosting near the black bezel.

Proximal strain gauges measure instrument forces directly, eliminating delicate wire routing through flexible wrist joints and improving measurement accuracy.

A luminaire head connects to a base via rotating means that enable secure attachment to different structural orientations.

A transparent display device uses a light modulation module to control the polarization direction of emitted color light for image generation.

Obtuse angle folded surfaces improve light mixing to eliminate firefly phenomenon without adding complex optical elements.

Protruding film limit parts constrain optical films on light guide plates to reduce vibration friction.

Segmenting the supporting frame into upper and lower bodies reduces cumulative tolerance while maintaining structural strength for slimmer borders.

An integrated pen device cures dental materials via specific wavelength LEDs, resolving cumbersome UV curing and enabling precise underwater bonding.

A liquid crystal Alvarez lens adjusts optical power via lateral displacement to enable dynamic focus control in head-mounted displays.

A spring mechanism couples a drive unit shaft to a workpiece, translating linear oscillation into controlled rotational motion.

Nested gear stages increase force generation capability while maintaining manageable device complexity for versatile surgical tool operation.

ALD protective films prevent aluminum oxidation from oxygen permeation, sustaining diffraction efficiency and extending grating lifespan.

Gradient optics create a transparency gradient in the tube to achieve uniform light distribution without complex multi-LED arrays.

Segmented housing design allows detachable heat sinks to match dissipation capacity with power levels, eliminating unnecessary cooling costs at low loads.

Adjustable lens polarization orientations resolve adaptability complexity trade-offs in LED shoebox fixtures.

Concave-convex edges on the light guide plate redirect reflected light to eliminate bright lines and dark bands caused by smooth surface reflections.

A 3D sensor evaluates spatial data to prevent collisions and optimize luminaire positioning in operating theaters.

Segmented lighting sources eliminate shadows and glare while reducing heat risks.

Sintering quantum dots in low-temperature glass frit prevents deterioration from high-energy light, ensuring stable conversion.

Post-patterning infusion raises grating refractive indices to 4.0, resolving low coupling efficiency bottlenecks in near-eye displays.

An optical expander splits input light via a bypass element to compensate for corner intensity loss, achieving uniform spatial distribution.

A light-guiding optical unit directs rays through recessed reflective surfaces to the output plane.

A spring biased bicycle handgrip uses a wing shaped support part and torque proof spring element to enable rotational movement.

Spacing a quantum dot package from an LED prevents heat-induced deterioration while maintaining high color reproducibility in white light emission.

Overlapping discrete light guide elements eliminate border non-uniformity and device complexity through integrated monolithic structures.

Segmented header plates with offset openings improve liquid-gas mixing and heat exchange efficiency by resolving biased distribution.

A backlight uses two green light-emitting elements with distinct peak wavelengths to achieve precise color control.

Tilting the light-guiding plate directs reflected light away from the image forming device, preventing ghost images and maintaining high contrast.

A driving circuit board places driver ICs and PCBAs on opposite surfaces to enable compact display layouts.

A rotating shaft structure uses a gear set to increase torsion during specific pivoting angles.

Complementary color dots on the light guide plate absorb blue primary rays to eliminate edge tinting and ensure uniform color output.

Replacing static lenses with a rotating beam splitter resolves the trade-off between structural simplicity and the need for moving decorative light patterns.

A backlight module integrates MicroLED units in a transmissive area to enable full-screen display functionality.

Slanted light passages in a guide focus reflected light onto an image sensor, improving measurement precision despite flexible user positioning.