Mechanical Apparatus TRIZ Cases

See how grouping facility devices by specification and environment enables accurate abnormality

See how a wall-mounted hanger integrates fan, filter, and steam modules with motorized position

See how hybrid data-driven and physics-based models predict chiller power by distributing load

See how rotation speed monitoring and ambient temperature feedback prevent unnecessary defrosti

See how a CO₂ cooling circuit uses a medium-pressure bypass and storage device to switch off th

See how dynamic temperature setpoint adjustment aligns HVAC operations with clean energy availa

See how thermal phase assignment using historical weather data enables predictive ventilation c

See how a movable air-scattering assembly diffuses airflow and switches between direct and wind

See how dedicated ducts, discharge hoses, and blow fans expel leaked eco-friendly refrigerant a

See how pre-stored table information and one-way communication enable constant airflow control

See how a stepped flow path on the housing inner surface enables cold air circulation in a ther

See how repositioning the sensor connection port to face an air current separation surface prev

See how a simplified motor-driven stretching mechanism with guide-rail connection and nested mo

See how a cascade heat exchanger divides into main and sub units to control refrigerant superhe

See how a deep learning model predicts optimal setpoint changes that reduce energy costs while

See how a variable transparency film and proximity sensor let users view refrigerator contents

See how a PLC-based air sampling system automates mass flow rate regulation and disconnects vac

See how thermopile sensors detect indoor unit positions through floor temperature patterns, ena

See how a single float-based detection device uses buoyancy and magnetic sensing to monitor bot

See how a thermostat uses occupancy schedules to trigger pre- and post-occupancy purge modes, r

See how an anti-freeze pipe routes high-temperature refrigerant directly from the compressor to

See how coordinated HVAC monitoring across adjoining units uses shared temperature data to redu

See how dynamic NFC enable/disable control resolves the contradiction between simple commission

See how a solenoid valve redirects air conditioner condensate between drain and coil to prevent

See how a sprayer device transforms drain pan water into mist blown by the outdoor fan, elimina

See how nested housing and segmented filtration modules enable a compact plug-in air purifier t

See how a level sensor triggers fan-only mode to evaporate condensate and prevent overflow with

See how a vibration motor and segmented spray nozzles enable flexible installation, prevent sen

See how occupancy-sensor feedback adjusts compressor speed and discharge direction to prevent d

See how concentric guide plates and distributed exhaust ports enable efficient distant pollutio

See how staggered-axis pipe loops create a spiral flow path to distribute thermal stress evenly

See how a divided heat-source-side heat exchanger performs intermediate cooling, evaporation, a

See how a hanger device integrates fan modules, filtering, UV sterilization, and camera-based i

See how adjusting subcooling to a higher value during detection operations enables accurate ref

See how coordinated freezing-based washing across multiple indoor units reduces compressor cycl

See how integrated heating means in a decoupling tank eliminate separate circuit installations,

See how adaptive switching between pressure and temperature control stabilizes water pump frequ

See how selective filter positioning based on air quality reduces noise and maintains high air

See how an airflow suppression unit redirects leaked flammable refrigerant away from wall-side

See how coordinated control of multiple air conditioners balances load distribution across unit

See how a bypass pipe with flow control enables simultaneous evaporator operation, eliminating

See how stepless fan speed adjustment based on refrigerant pressure feedback ensures stable air

See how a refrigerant cycle apparatus detects leak sensor abnormalities and recovers refrigeran

See how a gravity-based gas-liquid separator in the bypass circuit prevents excessive liquid re

See how a handheld thermoelectric device uses Peltier effect, heat sink, and fan to enable port

See how a refrigerant vessel with a downward-extending outlet pipe uses density difference to p

See how a psychrometric chart interface automates desiccant HVAC equipment selection, reducing

An elastic member lets a sub-bracket slide with fiber length changes, preventing cracking while preserving image shape.

A translucent scattering material and partial reflector diffuse semiconductor light to reduce hotspots in thin light-signature lighting.

A condenser lens and prismatic light guide align reflected light to suppress uneven illuminance across an endoscope’s effective irradiation range.

Positioned on- and off-axis light sources switch narrow and wide distributions through a light guide, avoiding extra viewing-angle control layers.

Side-surface light guides and peripheral emitters reduce oblique-view shadows while preserving background visibility in a see-through display.

Microheaters vary refractive index across grating zones, directing image beams through AR/VR waveguides with less light loss.

Irregular grating unit cells direct light asymmetrically into an AR waveguide, improving brightness without costly blazed gratings.

A large-diameter portion and grooved surface push body fluids through the catheter, reducing coagulation and normal-cell damage during irradiation.

Refractive-index regions n1<n3<n2 enable selective light extraction while limiting scattering and preserving mechanical strength.

An optical waveguide and field-dependent aperture direct laser light across solid angles to enlarge the HUD eyebox and improve uniformity.

Collimated light can make virtual-image guides thick; an anamorphic first portion forms an intermediate image for thinner, wide-angle optics with aberration correction.

A flush adhesive profile aligns reflective sheets and optical members, helping produce thinner, narrower backlight devices at lower cost.

One lighting means and a light distribution body replace separate sources for diffuse coverage and directed illumination.

An engaging portion interlocks two optical films on a substrate, reducing manual alignment errors and substrate exposure.

Passive SBG grating laminae couple and extract light across thin waveguide substrates, addressing compact see-through displays with limited field of view.

A side-lit guide layer and angled micro-grooves direct light across reflective displays, improving low-light brightness while limiting leakage.

A pin-mirror holographic optical element array diffracts waveguide light toward the user, enlarging the eyebox and mitigating VAC in a thin see-through display.

See how a curved reflective prism redirects light into a waveguide while expanding field of view and reducing lens bulk.

A three-region light-scattering resin film uses graded thickness and controlled pull-up speeds to improve catheter light uniformity at lower cost.

A waveguide with input and exit couplers expands retinal viewing to 20°×30° while reducing heat exposure and keeping the source away from the eye.

Side-emitting LEDs and flexible printed circuits feed a planar waveguide for wide-area light distribution without edge access.

Integrated optical elements diffuse edge-injected solid-state light to reduce habitat caustics, while airflow transfers heat away from the source.

A one-piece optical block redirects LED light across a gap into a thin lightguide, reducing interfaces, losses, and manufacturing cost.

A roadside luminaire redirects light laterally and limits upward emission for uniform road lighting with easier installation.

Interchangeable ring segments conceal electrical modules in streetlight luminaires.

This downlight uses a curved L-shaped guide and inclined decoupling surface to add ceiling illumination without mechanical adjustment.

Switchable liquid crystal optics reduce off-axis visibility without micro-louvre Moiré artefacts, adapting privacy mode to ambient light.

Spacers and sealed outer layers equalize cavity conditions, protecting waveguide image clarity from pressure and temperature changes.

This case uses an optical coupler and total internal reflection to homogenize light from oblique LED injection.

This optical device uses functional layers and edge ray control to limit sub-critical-angle leakage and improve contrast.

A faceted housing uses refraction and reflection to guide ambient light toward a sensor for more accurate lighting control.

A continuous slot and protrusion stabilize the lamp housing while the light guide reduces bright spots for uniform illumination.

Non-toxic quantum dot layers and barrier walls maintain color quality and conversion efficiency while reducing backlight thickness.

This case uses layered transmissive materials in waveguides to improve wavelength selectivity and image quality for AR and VR displays.

A segmented PCB assigns dedicated light sources to curved and flat display areas, reducing size and manufacturing complexity.

This case uses position-specific spectral filters and diffractive waveguides to limit stray light and improve AR image quality.

Localized coupling regions use volume holograms and internal reflection to guide radiation through a transparent waveguide to a detector.

A radon sensor and differential pressure feedback trigger ventilation only when thresholds indicate mitigation is needed.

A support plate and plastic frame reinforce thin display panels, limiting deformation while simplifying double-sided display assembly.

Segmented expanding and output-coupling DOEs distribute light more evenly, reducing loss in compact near-eye waveguides.

Angled microstructures enable reliable full-surface bonding while maintaining light reflection, luminance, and display uniformity.

A modifying prism compensates angular dispersion from grating errors, keeping multicolor output beams parallel and images aligned.

A double-helix light-guide uses stacked waveguides and diffraction to widen FoV while preserving a compact wearable form.

An internally reflective optical member makes each IV line easier to identify, helping prevent incompatible fluid administration.

A branched light-directing layer guides laser light to quantum dots, reducing filter losses, power use, and LCD thickness.

This backlight pairs facing prism grooves on the light guide plate and sheet, removing diffusion while improving two-direction luminance.

Stacked waveguides selectively route wavelength- and polarization-dependent light streams to improve depth perception and expand the eyebox.

Annular modulation zones vary deflection angles to spread backlight energy and improve VR LCD brightness beyond the center.

A resin-tube optical diffuser uses an inclined refractive surface to direct laser light toward side-surface tumors.

This backlight uses adjacent V-grooved prism sheets to redirect light peaks away from vertical, improving luminance in two directions.