Mechanical Apparatus TRIZ Cases

See how a management apparatus detects approaching mobile terminals via wireless signal strengt

Timed valve opening before compressor start and closure before stop improve refrigerant flow and cut off-phase energy losses.

See how a thermal control system uses terminal, environment, and user biometric sensors to dyna

Near-optimal condensing pressure control adjusts variable-speed condenser fans to cut refrigeration power use and fuel consumption at part load.

See how normalized energy consumption ranking directs maintenance resources to high-usage HVAC

See how coordinated valve switching and pressure release reduce differential pressure during mo

See how segmented cold air paths with dedicated evaporators reduce power consumption and noise

See how a Coanda blade switches between airflow modes to create natural wind variation in condi

A smaller gas-side valve opening cools refrigerant before it reaches a heating-stopped indoor heat exchanger, cutting radiation loss.

See how a controller detects heat exchanger blockage by monitoring motor power, fan speed, and

See how a data processor coordinates multiple BLDC motors using feedback control to maintain co

See how a common control unit synchronizes multiple fan motor inverters to suppress noise inter

See how a magnetic attachment system enables repositionable lighting in freezer chests, solving

See how selective module activation in standby systems reduces power consumption while maintain

See how a single-level menu structure with mode segmentation reduces HVAC control panel complex

See how a control system with heat transfer elements and bulb temperature feedback adjusts ther

A dual-rotor vapor injection compressor switches modes by temperature to cut vibration and noise while preserving heating and cooling capacity.

See how a pivotable air guidance part with dual blowers redirects discharge flow to improve ind

See how an economizer corrects discharge air sensor readings to maximize free cooling, preventi

See how a motor-driven telescopic push rod with presence sensors enables hands-free refrigerato

See how vertical blower mounting, integrated drainage elements, and air turbulence diffusion im

See how an embedded sealing member and sealant-filled cavity provide dual waterproof protection

See how image-based room spatial capacity detection enables air purifiers to automatically adju

See how sensor-controlled window actuation removes radon and manages humidity without mechanica

See how differential pressure detection and compressor capacity control prevent switching mecha

See how dynamic superheat adjustment based on receiver refrigerant level improves evaporator he

See how automated waveform and refrigerating cycle analysis merge into one diagnostic device to

See how floor temperature sensing and estimation algorithms enable air conditioning control whe

See how upstream electric-part placement in blower-driven airflow entrains refrigerant leaks aw

See how facial recognition detects stationary user presence to activate the refrigeration cycle

See how a VRF controller adjusts outdoor unit capacity based on real-time energy prices to redu

See how a self-cleaning pressure trap uses fluid pumping and sensor feedback to break down debr

See how split refrigerant flow during defrost—routing some to the indoor unit and some to non-d

By correlating pump speed, flow rate, and pressure head, this case automates HVAC pressure setpoint tuning to match cooling demand.

A concentric vacuum-insulated flexible cryogenic interface cools remote targets below 4K while reducing vibration, heat loss, and shutdowns.

See how mode-switching compressor control prevents overcooling by activating compressors based

See how printed light-blocking icons on the display panel eliminate gap-induced blurring and re

See how gateway devices emulate monitoring devices using Modbus or BACnet protocols to integrat

See how short-range wireless communication and signal strength indicators enable technicians to

See how photocatalytic oxidation replaces trapping filters to destroy VOCs and biological conta

See how a pump-down diagnostic mode isolates refrigerant in the condenser and measures pressure

See how cloud-connected HVAC controllers automate failure triage and customer feedback collecti

A single temperature-based pressure reference lets a vapour compression valve control both subcritical and supercritical operation smoothly.

See how measuring three temperatures to calculate saturation eliminates flow meters and limits

A pivoting film and support combine airflow regulation and non-return control in wall openings, reducing complexity and blocking parasitic backflow.

Inert gas and a safety vessel evacuate and return flammable Rankine-cycle fluid, reducing leak and explosion risk during service.

See how dynamic current threshold adjustment in a reception device maintains reliable communica

See how HVAC workload logic detects indoor and outdoor conditions, queries historical cycle dat

Convex light guide units and microstructure units enhance luminance and uniformity of exit light in backlight modules.

Periodic microstructures bond the diffusing sheet to the adhesive layer, resolving light uniformity and thickness trade-offs in backlight modules.

A compact HVAC room unit integrates a short-range wireless module to exchange data with mobile devices.

Boundary structuring on light guide strips controls output coupling at end sides, resolving inhomogeneity from light superposition.

A light source module integrates a reflective portion on the diode chip to guide and reflect emitted light through an exposed wavelength conversion surface.

An elastic connection between light guide units adjusts spacing to resolve manufacturing variations and prevent light mixing.

Segmented LED cartridges and gasket seals provide moisture protection without increasing structural complexity.

Deflection portions with varying density and depth compensate for held portion effects, maintaining uniform light intensity distribution.

Partially reflective element homogenizes light distribution within a waveguide, reducing the point spread function to enhance image resolution.

Segmented powered cranks reduce point machine load and wear for reliable rail positioning.

A backlight unit combines multiple laser diodes in a cavity to mitigate speckle and improve color reproducibility.

Integrating the solar panel into the light guide reduces construction volume and radiation loss while enabling even light distribution.

A backlight unit light-modifying portion adjusts emitted light color to match phosphor film output.

Shear forces manipulate Bragg grating orientation to redirect light and reposition the optical pupil within a compact planar structure.

Segmented metal back plate bending structures eliminate plastic frames to resolve flatness and cost trade-offs.

A backlight module uses concentric ring-like V-shaped microstructures on a light guide plate and optical film to generate a uniform, directionally adjustable light cone.

Segmenting the waveguide surface eliminates vignetting at high angles while maintaining uniform illumination across the usable area.

A transparent acrylic ruler integrates an LED lighting portion to illuminate laser-etched markings through a flat light guide.

A metallic supporting member with inclined surfaces holds a reflector and light source module in an LED illumination unit.

An intermediary waveguide portion collects light emitted by defect centers to reduce transmission loss and improve magnetic field detection accuracy.

Adaptable fiber optic panels transmit light to conform to vehicle contours, reducing power consumption and component complexity.

Bendable backing structure closes gaps between LEDs and light guide edge faces, resolving assembly complexity while maintaining manufacturing precision.

A light control display stack merges PNLC or PDLC layers with guest-host liquid crystal displays to manage optical states.

A single hydraulic actuator pivots two landing gear door flaps through a swinging arm and universal joint linkage.

Light-emitting module uses segmented units for independent brightness control.

A light blocking member positioned at the outer edge of a light guide plate intercepts excess light rays to improve display brightness.

Direct adhesive bonding between the optical film sheet and bottom plate eliminates baffle plates, preventing light leakage at engagement gaps.

An attachable plug adds electronic sensors to existing torches for remote fuel level and ignition tracking.

Beam shaping structures reduce light divergence in display panels, improving brightness uniformity and contrast ratios.

A phosphor-containing film uses an oxygen-impermeable resin layer to protect quantum dots from degradation.

A light emitting device mounting structural body uses a projecting package portion nested within a wiring substrate recess to expand the emission area.

A segmented backlight light bar assembly uses standardized units to match display module dimensions.

Dual honeycomb condensers with lenticular arrays homogenize light from non-collinear sources, resolving brightness inhomogeneity.

Varying light guide plate dot density compensates for black matrix misalignment in curved modules, eliminating dark zones and improving luminance uniformity.

Incorporating scattering centers into a monocrystal phosphor element improves thermal conductivity and quantum efficiency at elevated temperatures.

An optic redirects light rays from LEDs to create a uniform distribution across the signal cover.

A soft light guide structure prevents leakage by conforming to the circuit substrate, eliminating rigid mounting constraints.

Optical member with chromaticity correction region compensates for light guide plate absorption to maintain uniform color across the display area.

Curved waveguides redirect light via total internal reflection, eliminating glare and ensuring uniform distribution across the target area.

A light guide plate segments internal reflection planes into total-reflection and scattering regions to direct illumination light paths.

Integrating fixation portions into the bottom cover eliminates the separate guide panel, reducing mold fabrication costs for large displays.

Concave microstructures on a light guide plate rear surface reflect light to improve output efficiency while maintaining scene visibility behind the display.

A light guide plate redirects slope-emitted light via reflective components to recover lost energy and increase backlight brightness.

A tapered wavelength converter with a larger incident surface than emission surface focuses fluorescent light into a smaller area.

An integrated frame unifies backlight and display layers into a single mechanical part.

Groove-mounted elastic rubber strips fix LED light bars and guide plates, resolving positioning instability that causes uneven lighting.

Segmenting the display stack reduces manufacturing complexity while enabling curved designs with minimal internal stress.

Series wiring on the opposite substrate surface prevents disconnections caused by stress concentration and solder flow in planar illumination apparatuses.