Mechanical Apparatus TRIZ Cases

See how a single flow path switching device enables parallel and serial refrigerant flows in he

See how selective port control in a water storage tank optimizes thermal distribution and reduc

See how an external storage box with a sensor detects flammable refrigerant leaks without modif

See how refrigerant charge limits based on indoor volume and lower flammable limit prevent haza

See how a secondary heat transfer circuit with bypass and deicing loops prevents ice formation

See how a thermostatic valve and containment circuit use the chiller's own hot water to prevent

See how check valves in high and low pressure lines enable automatic compressor switching witho

See how coordinated control of indoor and outdoor air conditioners prevents conflicting heating

See how an integrated cleanout passageway enables filter cleaning with compressed air or water

See how parallel reflectors multiply UV-C light paths to eliminate viral aerosols in central ai

See how dual flow control valves and a parallel adjustment tank prevent refrigerant liquefactio

See how segmented display regions show both refrigerant leakage and other abnormalities simulta

Dual duct and ambient temperature sensing replaces one-shot thermal fuses, enabling resettable fire damper release with flexible trip settings.

See how periodic full-opening of a bypass expansion device clears foreign substances to prevent

See how a rotatable bracket with elastic piece shortens the dimensional chain and reduces frict

See how automatic location detection and routing across cell phones, landlines, and VOIP device

See how dual refrigerant modes let a vehicle air conditioner cool the battery via heat-medium e

See how discharge guides and segmented main and fine outlets enable selective high-speed or low

See how discharge and collecting electrodes integrated into a double-skin facade use corona dis

See how UV LED arrays tuned to 260-270 nm achieve near-100% germicidal effectiveness while conf

See how a movable guide surface replaces blade structures to control airflow direction while re

Bypassing part of the compressor refrigerant to a reheater lets a VRF unit dehumidify air while avoiding overcooling and overheating.

See how temperature change slope calculation identifies abnormal indoor units affected by mutua

See how an HVAC-integrated smoke removal system uses negative pressure and dual valves to extra

See how priority-based control coordinates air conditioners, fresh air systems, and cleaners to

See how a climate control system estimates fan motor input power from speed and torque, elimina

See how a multipath expansion subsystem with full-load and partial-load pathways prevents conde

See how bypass circuit pressure measurement evaluates pipe volume in air conditioners without d

A switched three-heat-exchanger refrigerant circuit exchanges residual energy directly to match heating and cooling demand with less circuit complexity.

See how an indoor air quality system uses existing HVAC to alter temperature or humidity betwee

See how segmented high-voltage and ground-connected filter units enable multistage dust chargin

Two evaporator temperature sensors detect refrigerant charge loss while distinguishing leaks from low-airflow faults in HVAC systems.

Gradient heat-circulation control prevents evaporator frost, improves drying efficiency, and reduces compressor load in grain drying.

See how Delta T statistical analysis and multi-sensor monitoring detect refrigerant leaks and d

See how benchmark-driven machine learning models enable health monitoring and anomaly detection

See how integrating the pump outlet tube into the drain pan structure eliminates check valves a

See how dynamic adjustment of refrigerant temperature and pressure settings improves energy eff

Skin temperature and thermal sensation feedback let the air conditioner hold a personal comfort range while reducing wasteful heating or cooling.

See how detecting air-conditioning system state changes using mobile device pressure and moveme

See how air passageways within walls, coupled with HVAC-controlled flow and sensing, maintain u

See how a table-mounted filtration unit uses segmented fan systems and HEPA filters to deliver

See how a run-around system uses chilled water supply pressure to drive precooling and reheat c

See how discharge buckets on a rotatable body lift and circulate water to enable automatic filt

See how a controlling unit stops the compressor when a refrigerant gas sensor detects leakage a

See how a modified HVAC system exhausts heat, oxygen, and fuel-rich smoke to disrupt the fire t

See how an inclined user detection sensor enlarges the detection area to automatically activate

Wireless measuring and transmission layers add smart functions to selected floor, wall, or ceiling elements without edge contacts or extensive wiring.

See how segmented suction pipes and integrated oil collection in a single accumulator enable ra

Liquid crystal and polymer switching devices replace manual light control films to prevent information exposure while enabling easy image sharing.

Thermal isolation on a shared PCB reduces footprint while radial light guide arms achieve wide dispersal from one source.

Three light guides use optical coupling components to transfer light between segments for uniform extraction across target areas.

A segmented installation region on the illumination module housing enables multiple mounting methods, resolving limited outdoor lamp versatility.

Non-uniform thickness creates differential light emission to prevent photoconductor degradation and suppress ghosting.

A light guide structure integrates circuit layers directly onto its engaging surface to embed light sources without separate boards.

A lighting device uses a snap-fit latching connection to secure the translucent cover against the housing.

Axial nesting of the magnet and urging means reduces diameter while a separation member prevents positional variation against the detection element.

Segmented LED arrays apply varying spacing intervals within and between partial regions to reduce prominent chip visibility and improve display quality.

Lateral microstructures reflect light toward quantum dot films, correcting blue edge color discrepancies in displays.

Nano-grating pixel arrays converge laser light fields into specific viewpoints, eliminating crosstalk and visual fatigue while maintaining high brightness.

Segmented light guiding plates with independent LED lamps prevent light leakage between adjacent regions during field sequential driving.

A backlight module uses a light receiving structure to concentrate emitted light within a predetermined angle range.

A viscous acrylic foam bolster attaches directly to a backlight reflector plate to secure display components.

Dual airflow paths guide droplets and heated air through a housing to resolve energy consumption trade-offs while improving vaporization degree.

Dual-layer absorption filters with varying refractive indices and widths reduce color deviation in display devices.

Matching thermal expansion coefficients between the display frame and light guide plate prevents misalignment of light sources across temperature variations.

Blind mate optical connectors allow remote laser placement on a PCB, reducing thermal challenges and improving reliability in co-packaged optics.

An intermediary diffuser in through holes optimizes light entry into the guide member, resolving brightness unevenness and improving extraction efficiency.

Boss portions and slit features fix a light guide to manage thermal expansion, suppressing fogging and shininess caused by heat-induced warping.

An optical film with varying prism heights scatters light away from edges, eliminating hot spots and bright lines in side-type backlight modules.

A backlight unit employs a supporter with recesses and protrusions to align light emitting modules with light guide panels.

Magnetic connectors align the light and battery automatically, removing wire entanglement issues in surgical or dental settings.

Segmented stripe microstructures on the light guide plate optic surface control optical trends to resolve non-uniform brightness and hotspot issues.

A light source module uses yttrium aluminum garnet and quantum dots to mix monochromatic light into white illumination.

A dual flywheel epicyclical drive mechanism balances reciprocating loads through a central counterweight assembly.

A backlight module positions a circuit board obliquely on an inclined sealant surface to increase bonding area and light mixing distance.

A light guide plate with side extensions receives light from a dedicated supply unit to distribute illumination across the entire surface.

A foldable display device uses a segmented light guiding layer with distinct non-foldable and foldable areas to direct incident light efficiently.

Battery-powered lighting device attaches to electrosurgical instruments for precise illumination.

Segmented casing hides patterns when LEDs are off, resolving appearance quality issues in slim electronic devices.

A horizontal light guide fixture uses edge-mounted LEDs and side rails to emit uniform illumination across a major surface.

Spliced substrate and high reflectivity layer reduce assembly precision requirements for full screen displays.

Multi-wavelength light guide directs illumination through a touch surface for biometric detection.

A waveguide display device modulates diffractive optical element efficiency to enhance brightness uniformity across the output pupil.

A rotatably adjustable optical housing with a detent mechanism enables precise tool-less rotational positioning of non-symmetrical LED optics.

A light bar assembly uses segmented circuits to independently drive backlights and fill lights on a single printed circuit board.

Segmenting the side lens forward preserves reflector area and design freedom while increasing illumination intensity.

Redirecting end-face reflects guided light back into the light guide for side surface transmission, reducing material usage and manufacturing costs.

Adjacent planar optical components mitigate multiple-loop interference and polarization artifacts in augmented reality displays.

Optical notch filters modify LED spectral power distribution to reduce circadian stimulation while maintaining high color rendering.

Adjustable wattage control and rotatable lens holders modify light output while silicone gaskets maintain water-tight integrity during field configuration.

A laser light guide directs in-plane illumination through an organic EL panel substrate to enable user-adjustable color emission.

A variable pressing member adapts to thermal expansion differences, maintaining optical integrity and color developing characteristics.

An injection-molded polycarbonate housing merges the window and structure to eliminate galvanic corrosion while maintaining light output.

Angled prisms redirect leaked light back to the reading position, resolving low utilization in image reading apparatuses.

A multiview display system uses spatially offset multibeam elements to modulate light beams for interleaved angular subpixel rendering.

Segmented mask films enable precise plasma etching of diffraction grating molds while preventing thermal deformation and adhesive residue on the molding base.