Mechanical Apparatus TRIZ Cases

See how integrated energy storage and dynamic control enable air conditioning operation during

See how laminar air curtains separate transfer compartments from workpiece chambers to reduce c

See how a multi-port blower control system routes thermostat signals to enable variable airflow

See how positioning a refrigerant detection device near the bottom plate improves leak detectio

See how a fan array control system uses evaluation fans to dynamically adjust enabled fan count

See how a heat pump integrates a desuperheater, variable-speed components, and bi-directional b

See how positioning a refrigerant detection device within ⅓ of shell height or width ensures ac

See how sensor nodes detect HVAC activity intervals and temperature changes to generate efficie

Dual leakage sensing separates let-go faults from normal HVAC leakage, reducing nuisance GFCI trips at outdoor disconnects.

See how a universal outdoor unit with four-way valve and switching device adapts to both two-pi

See how temporal segmentation highlights the current setting first, then displays all options,

See how predictive occupancy modeling enables HVAC systems to adapt air cleanliness control to

See how a multi-axis robotic system with isokinetic probes automates HEPA filter integrity test

See how a learning network model generates virtual data to correct energy estimation errors and

See how a multi-zone air conditioner controller activates adjacent idle units to support under-

Warm-air curtains isolate the evaporator opening during defrost, cutting refrigerator heat input while avoiding damper complexity and pressure loss.

See how an AC system controller switches between grid and energy storage power, adjusting compr

Distributed flexible electrode modules use high-voltage ionization to purify cabin air continuously while reducing HEPA filter cost and energy use.

See how a switching mechanism bypasses the ejector during cooling to reduce refrigerant pressur

A reflective antimicrobial duct coating works with UV-C light to sterilize aircraft airflow while limiting material degradation and filter fouling.

See how grouping adjacent indoor units with priority-based control reduces unnecessary operatio

See how distributed fan units at multiple floors create targeted overpressure to prevent smoke

Coil temperature feedback enables stepless outdoor fan speed adjustment, reducing pressure disturbance and stabilizing air conditioner operation.

See how controlled brazing material thickness (0.2 mm or less) between header surfaces prevents

See how a rotatable mounting base lets the fan body invert into the water box, enabling larger

See how inclined discharge electrodes with perpendicular discharge regions sterilize all air wh

See how a communication bridge controller enables target time-based HVAC control across legacy

See how series-coupled R-32 sensors and an integrated control board detect A2L refrigerant leak

Pressure-sensor feedback balances water output across parallel cooling towers in real time, reducing hysteresis and abnormal pressure risk.

See how selective defrosting based on frost status detection shortens defrosting time and reduc

See how sequential heating and cooling operations enable accurate automatic determination of in

See how an oil separator downstream of the ejector removes refrigerant oil from recirculated li

See how a replaceable part integrates filter and volatile substance material to enable simultan

See how wireless damper actuators communicate directly with thermostats to eliminate the zone p

See how dual particulate matter sensors calculate filter efficiency and trigger inspection aler

See how merging HVAC and disinfection into a unified building management system reduces operati

See how integrating condenser and flash tank chambers in a single housing reduces piping, conse

See how dynamic flow control in non-operational indoor units maintains minimum heat medium flow

A recirculating and single-pass air curtain limits vapor escape without physical barriers, preserving optical test accuracy and stable chamber conditions.

See how machine learning iteratively adjusts HVAC control states based on sensor feedback to ma

See how linkage mode enables coordinated control of temperature, wind speed, humidity, purifica

See how terminal-level detectors with phase comparison verify HVAC equipment connections, detec

See how a factory-integrated communications board with multiple channels eliminates external ga

See how thermodynamic modeling estimates missing chiller sensor values to calculate efficiency

A metal mesh lets refrigerant reach the heated sensor while blocking ignition, enabling sub-5% LFL leak detection without field calibration.

Distributed thermal units use latent-heat storage, solid-state heat pumps, and occupancy sensing to deliver local comfort without whole-space HVAC losses.

A light emitting device uses a light shielding frame with reflecting members to guide optical energy through a transmissive member.

Rectangular annular steps on a plastic frame secure the light guide plate and reflective sheet, resolving instability in vehicle-mounted displays.

Segmented rear surfaces with varying inclination angles redirect lateral light from COB LEDs, reducing luminance unevenness and improving light use efficiency.

A lighting method uses segmented reflectors to guide light radiation along a longitudinal axis for uniform wallwashing applications.

Flexible side reflection plate accommodates thermal expansion of the light guide plate, preventing cracking and extending module lifespan.

A light module integrates LEDs and reflectors into headgear to direct illumination forward.

Arched deflector prisms on a light-guide bar redirect light rays to eliminate shadow effects at branching points without adding LEDs.

A display device uses segmented light sources and condensing portions to generate narrow anti-peep beams that overlap with the main display beam.

A photoluminescent layered composite integrates a metal oxide layer onto a nanocrystal conversion film to enhance conductivity and light transmittance.

Patterned optical sheet replaces separate lenses and diffusion plates, reducing backlight unit thickness while maintaining luminance uniformity.

A light guide plate uses a sloped portion on the light-incident surface to redirect optical paths.

A cam-based positioning assembly rotates passenger compartments along a guide track, eliminating motor-driven complexity and power failure risks.

Flexible arms route conductors through a rotatable lamp head, preventing tangling while allowing adjustable illumination direction.

Total internal reflection within the light guide plate reduces light loss and improves brightness uniformity for small-sized transparent display panels.

Segmented edge bars with LED placing grooves replace adhesive tapes to fix panel and backlight modules, resolving weak solidification strength.

A display panel merges the first substrate with the outer cover glass to eliminate redundant surface layers.

An extending plate on a light guiding plate intercepts stray photons from the LED source and redirects them into the optical system.

A backlight module rigid rear shell design with a preset gap between the function part and bottom plate prevents deformation from assembly tolerances.

Narrowband PAR lighting concentrates emissions at specific wavelengths, eliminating wasted broad-spectrum radiation and reducing energy costs by up to 90%.

Trapezoidal light-emitting elements align in a recessed package to reduce color and luminance unevenness across the backlight surface.

Overlapping lens units with different slopes generate a three-dimensional light emission image without increasing the number of light sources.

A light emitting device uses specific blue LED and fluorescent material wavelengths to produce low-glare illumination for outdoor fixtures.

A mounting adaptor uses a groove and lip interface to join base components for secure light fixture assembly.

Surface geometry configuration deflects light while maintaining radar wave transmission through integrated structural design.

A display device light source converts incident blue light to white light using a polymer dispersed liquid crystal layer and a white light conversion section.

A rigid element maintains constant distance between the light strip and light guide plate while an elastic element accommodates thermal expansion.

Curved edge features on interlocking light guide tiles obscure discrete LED packages while distributing light uniformly across the surface.

A ring-shaped illumination apparatus uses a liquid crystal lens to dynamically control irradiation light geometry.

A display backlight unit uses segmented light sources to adjust color temperature while maintaining subpixel aperture ratios.

A display device heat sink uses a cover with air holes to dissipate thermal energy through natural convection currents.

A backlight module light reflection layer redirects optical energy to brighten dark areas near through-holes.

A waterproof LED strip connector uses a vertical barrier to isolate power leads.

Supporting protrusions in the guide holder prevent light guide bending and bowing during thermal expansion, ensuring uniform illumination.

Segmented waveguide plates with varied reflectivity reduce stray light and ghost images while maintaining an ultrathin profile for large field angles.

Segmented tool holder units on a rotating turret resolve the contradiction between high productivity and device complexity by reducing tool replacement time.

Segmenting diffraction gratings on a rod light guide expands the field-of-view beyond narrow limits while maintaining compact projector size.

A backlight unit uses an air gap to separate red and green light, preventing red fluorescent material from absorbing green light and boosting luminance.

Nanoparticle scattering in the diffusive body increases correlated color temperature while lateral light distribution reduces fixture thickness.

A monolithic freeform optical body maps LED radiation using combined refraction and total internal reflection regions.

Segmented light conductors converge at a junction to form a decoupling region, resolving design freedom versus structure complexity.

A light guide plate uses expansion surfaces to redirect light circumferentially, creating uniform linear emission patterns from a single source.

Segmenting the decorative covering into opaque, mask, and transmitting layers resolves the contradiction between component concealment and motif sharpness.

A quantum dot substrate emits uniform light across non-planar surfaces to replace conventional LED arrays in automotive lighting.

Releasably connecting a hollow outer shaft to an inner shaft enables independent rotation, maintaining system operability when one electrical machine fails.

A hooded bracket secures an LED module to a light guide, maintaining constant distance and angle for optimal optical coupling.

Segmented fluorescent coatings and multi-spectrum LEDs create varied display patterns in sunroofs while fixing battens protect elements during installation.

Independent beam drives enable stepless adjustment of the supporting base, resolving stepped extension limits in confined crane operations.

Street light audio sensors detect accident sounds to trigger visual alerts, preventing delayed emergency responses.

A lighted waterfall apparatus uses a removable lighting unit to illuminate flowing water without complex assembly.

An outdoor luminaire maintains minimum luminous intensity at large vertical angles to ensure consistent brightness perception for approaching users.