Mechanical Apparatus TRIZ Cases

See how necessary-series-data extraction reduces black-box optimization computation time by 73%

See how high-pressure cold water misting enables direct air-to-droplet heat transfer, eliminati

See how pressure-ratio detection and expansion-valve adjustment prevent abrupt refrigerant flow

Periodic leak sensor activation during idle periods detects refrigerant leakage without draining the air conditioner's battery.

See how a wall-mounted UV emitter and magnetic reflectors enable thorough duct sanitization wit

See how impedance detection enables a building sensor to auto-configure its output as current o

See how bio-aerosol monitoring detects pathogens early, triggering continuous purification to p

See how a multi-space air conditioner coordinates indoor units using predicted temperatures fro

See how stainless steel four-way valves and pipes improve refrigeration system vibration resist

See how parallel return pipes with dynamic valve control reduce pressure loss in cooling mode a

See how historical operation records enable centralized control of multiple indoor units, gener

See how a micro switch and abutment member prevent dehumidifier pump idling by connecting power

See how an HVAC control device calculates average air quality metrics from VOC, CO2, and pollen

See how dynamic valve-box adjustment based on unit capacity and temperature deviation ensures b

See how side-surface maintenance openings enable access and visibility in refrigerant flow path

See how a baffle-based sensor assembly uses turbulent flow to trap lint and oils, enabling reli

See how sensor-based energy monitoring compares real-time usage with reference data to validate

See how control-valve timing synchronizes refrigerating-compartment cooling with ice-machine he

See how an HVAC controller automatically detects IAQ monitor installation location by sensing p

See how tide prediction and depth monitoring shut off boat water pumps before low-depth debris

See how dynamic set temperature correction based on wind volume mode prevents early compressor

See how room air conditioning control suppresses device internal temperature deviation in image

See how integrating pressure, CO2, temperature, humidity, radiant heat, and airspeed sensors en

See how multiple fixed orifices aligned with evaporator tubes enable independent zone temperatu

See how an inner lid with fitted portions ensures precise alignment between light-emitting disp

Real-time temperature and dew point feedback adjusts airflow, water, and desiccant settings for precise HVAC humidity control.

See how fusing color sensors and time-of-flight depth data enables accurate stationary occupant

See how a learning-based environmental control model adjusts PMV and illuminance during active

See how a programmable HVAC controller uses standardized terminals and custom actions to integr

See how monitoring temperature and humidity enables dynamic capacity adjustment to prevent cond

See how real-time pathogen sensing and feedback control adjust UV-C intensity, airflow, and dos

See how an air-conditioning controller calculates individual comfort ranges and determines set

See how adaptive alerting uses sensor and electrical data to detect HVAC faults early, reduce f

See how a processor coordinates external air conditioning with internal fans to suppress temper

See how a multi-layer air purifier combines 180°C thermal heating, 30kV electrostatic charging,

See how a control system uses floor plan display and illuminated buttons to reduce firefighter

See how nozzle-directed airflow creates a control volume around the breathing zone to block aer

Multi-sensor air monitoring predicts adverse indoor conditions and automatically controls purifiers and HVAC to maintain safer air quality.

See how a programmable building controller enables users to define custom HVAC actions based on

See how vision-based movement detection distinguishes deep sleep from REM sleep to automaticall

See how coordinated ceiling and floor air supply units use floor temperature sensing to reduce

See how wireless power transmission between blowers eliminates internal wiring, simplifies coup

See how a flow path switching valve bypasses the cluster pipe in low ambient temperature to pre

When a gas bypass valve sticks, control logic matches refrigerant mass flow to the actual valve opening to keep cooling or heating running.

See how a mixing chamber blends hot gas and cold liquid refrigerant to achieve precise temperat

See how mechanical cover pressing with elastomeric gaskets replaces adhesive bonding to reduce

See how a desiccant wheel with bypass plenum separates humidity and temperature control, enabli

See how pressure-based bypass valve control prevents cooling medium freezing in outdoor units b

See how combining facial imaging with CO2 and temperature sensing improves drowsiness detection

Interference patterns from phase-shifted waveguides resolve short pulse limitations in near-range depth sensing.

A wavelength conversion layer shifts blue light to longer wavelengths, reducing speckle patterns and extending lifespan.

Dual optical modulation layers match reflectivity to eliminate color deviation between touch and non-touch areas.

Superimposing a secondary symbol via a switchable illuminant eliminates separate displays to resolve device complexity in emergency lighting.

A small cell networking device integrates multiple antennas and modules on a single compartment to provide cellular and WiFi services.

Locking projections engage L-shaped recesses in a resin frame to suppress rattling and warping from thermal expansion.

A quantum dot unit uses a hollow glass fiber to contain phosphors and improve color reproducibility in display panels.

Heat-dissipation extensions at backplate corners improve temperature uniformity and reduce stress concentration on liquid crystal panels.

Removing thermally unstable glue between the phosphor and lens reduces heat transfer and mechanical stress during operation.

Nonlinear gaps separate adhesive tape into independent bodies, preventing light leakage while accommodating thermal expansion.

A split LED substrate routes power connectors into light guide plate notches to reduce bezel dimensions.

Aligning seams with pixel gaps minimizes visible tiling artifacts while light recycling structures enhance brightness for cinema applications.

Adjusting reflecting dot orientation directs light toward a specific viewer eye point, enabling clear pattern recognition outside the narrow eye width.

A patient-support deck section uses a locking mechanism actuated by a cushion assembly to secure the platform.

A motor vehicle lighting device uses a dual reflector system to direct light through a polycarbonate guide for uniform distribution.

Graded index films homogenize light within specific acceptance angles to direct output toward designated eye boxes.

A single-layer optical-diffusion film uses phase-separated polymerizable compounds to diffuse external light across wide incident angles.

Hydraulic actuation of a dog clutch replaces complex wet clutches in marine transmissions, reducing shift shock and wear while maintaining compact design.

Integrated illumination waveguides replace bulky separate LED optics and X-cube combiners, reducing volume while maintaining full-color display quality.

Elastic arms secure a light guide within a vehicle lighting housing, eliminating visible fasteners that impair optical efficiency.

Positioning the transparent optical adhesive layer at the light guiding dots prevents air refraction interference and raises light transmission efficiency.

Clad layers and reflection films confine fluorescence within the optical waveguide, reducing light loss and thermal degradation.

Optical mapping aligns vergence and accommodation cues across multiple depth planes, eliminating visual fatigue in compact 3D headsets.

A reflective sheet uses a glass fiber coating layer to increase rigidity and maintain thinness in liquid crystal displays.

A crescent moon shaped phosphor layer prevents mura and yellow ring phenomena by varying thickness across the light emitting device package.

A plate-type light guide uses localized surface roughness to control light emission angles and maintain high transparency when the source is off.

A diffuser sleeve with a white peripheral wall homogenizes light output from vehicle LED sources.

A light blocking portion protrudes from a circuit board between a light source and an image sensor to block stray light.

A reflection polarizing plate paired with an optically anisotropic optical sheet recycles retroreflected light within the display stack.

Segmented housing with fins thermally connects to LED modules, resolving inadequate thermal management that reduces performance and lifespan.

Aquaculture luminaire directs upward light beyond the critical angle to prevent escape through the water surface.

Snap-fit elastic member simplifies cabinet lamp installation while reflective surfaces eliminate glare without diffusion plates.

A transcritical CO2 heat pump circulates refrigerant through a stratified thermal storage tank to manage temperature differentials.

A backlight unit uses a beam splitter array with transflective plates to guide coherent light toward the display module.

A waveguide display module segments images into sub-images and couples them via wavelength division multiplexing.

Segmented LED arrays in extrusion housings replace traditional lamps, reducing power consumption while maintaining illumination intensity.

Centralized laser bank modulates DWDM signals using optical amplifiers to maintain consistent power levels.

Two rows of plug terminals reduce connector width from 11.7 mm to 5.8 mm, solving high-density installation constraints.

A two-channel wheel speed sensor system calculates individual wheel speeds using differential rotation data within compact axle housings.

Direct bonding of the light guide plate to the back cover removes middle cabinets, reducing bezel width and thickness while preventing self-weight deflection.

Wire grid structures and liquid crystal diffraction enable light emission from a positive viewing angle, resolving low contrast in conventional LCD panels.

Segmented vent blades with flat portions and ridges direct airflow while facilitating rain drainage, resolving noise and pressure drop trade-offs.

An absorptive polarizer layer sits between a reflective polarizer and a conductive light scattering layer to depolarize forward scattered light.

Segmented interconnect layers reduce loop inductance, enabling 1 ns switching speeds for LIDAR systems.

A universal joint lampholder uses a single tightening member to apply pressure through a clamp arm, controlling rotation across two orthogonal axes.

Embedding optical waveguides in an insulation layer replaces copper wiring to overcome high-speed data transmission limits.

A camp lantern uses interchangeable opaque domes to project lighted images onto ceilings.

A range-extending apparatus uses a planetary gear assembly to drive wheel motors that generate power for battery charging.

Spring-biased forward and rearward retainers prevent unintended release during vigorous pedaling while minimizing vertical play.

A cover plate structure uses layered refractive indices to direct stray light via total internal reflection.