Mechanical Apparatus TRIZ Cases

See how periodic ionization and air flow cycles sterilize filters and internal surfaces during

See how a machine learning controller predicts oil viscosity and quantity in HVAC systems to tr

See how a metal discharge plate with segmented hole patterns enables both convection and radiat

See how a bulkhead-separated filter unit enables safe filter replacement in isolators while pre

See how reversing the indoor fan during evaporator freezing increases frost formation for effec

A calibrated inlet orifice atomizes annular coolant flow in a plate heat exchanger, improving two-phase distribution across channels.

See how a segmented profile rail with fixing and support sections securely holds lighting units

See how segmented operation chambers with pressure-controlled air flow reduce decontamination t

Dynamic flash tank pressure control based on gas cooler outlet temperature improves ejector operation and cuts parallel compression energy use.

A master dust sensor coordinates multiple air cleaners to cut measurement noise, save sensor power, and keep faulty units operating.

See how synchronizing stator winding connection switching with defrosting cycles maintains ener

See how cyclic expansion valve control reduces refrigerant noise in multi-split heating systems

Expansion valves create a two-phase refrigerant mix to cut charge while maintaining air conditioner performance and stable operation.

See how a docked handheld air purifier uses suction instead of blowing to remove dust from clot

See how delayed recovery valve actuation maintains refrigerant pressure during mode switching,

See how an air conditioner uses communicator-based pet detection and processor feedback to auto

See how a three-pipe refrigerant layout recovers waste heat from heating units to supply coolin

See how a controller merges tank-based and tankless water heaters to meet peak demand, adjustin

By linking existing smart meters, weather stations, and energy portals, this case detects HVAC waste across buildings and automates alerts.

See how integrating open-circuit and closed-circuit refrigeration paths reduces system weight a

See how an acid-alkali resistant oscillator coating and segmented tank design enable safe alkal

See how pre-applied brazing material on an intermediate plate flows into gaps during heating to

See how dynamic ventilation rate adjustment maintains standard ventilation levels while reducin

See how selective indoor unit shutdown and mode switching resolve overheating or supercooling i

See how occupancy sensors and PMS integration enable automated UV disinfection timing, reducing

See how a closed regeneration air loop with heat pump, bypass, and complementary moisture remov

See how periodic image capture and dynamic cycle adjustment predict drain pump clogging by calc

See how inverting BLE connection initiation—appliance advertises, remote scans—cuts remote cont

See how sequential pre-filtration, bonded carbon, UV, and HEPA stages reduce TVOC, biologicals,

See how supervisory-level control adjusts HVAC set-points to match intermittent renewable energ

See how HFO-1132(E) refrigerant with counter-flow heat exchange achieves low GWP below 150 whil

See how a network of wireless climate sensors creates a heat map to eliminate hot and cool spot

See how a dehumidifier controller prompts users to confirm external humidity sources are blocke

See how controlling reheating expansion device opening cross-section based on refrigeration par

See how hydraulic device data enables separate cooling and heating capacity detection in heat r

See how a fresh air ventilation controller monitors multiple appliances and adjusts damper oper

Separates total HVAC energy use into indoor unit and hydraulic device consumption using heat absorption and capacity calculations.

See how flexible polymer foam conforms to irregular vent openings in foundation walls, forming

See how dual Y-shaped strainers with valve switching enable continuous air conditioning operati

See how a toroidal fan and slim housing enable air purifier integration into modular wall syste

See how MSTL decomposition and degree-day models identify weather-related energy waste across b

See how temperature monitoring at heat exchanger outlets detects leakage and clogging in water-

See how a controlled atmosphere system determines respiration rates from oxygen and carbon diox

See how dynamic capacity switching in active filter systems reduces continuous losses by operat

See how density-based volume ratios between outdoor and indoor heat exchangers suppress refrige

A shared inflow channel feeds sterilized air to filling rooms and dehumidified air to blow-molding rooms, cutting space and system complexity.

See how segmented air outlets distribute cooled air across multiple zones and directions to red

See how dryness-based expansion valve control maintains refrigerant density in gas-liquid two-p

See how spraying fire extinguishing agent onto the outside heat exchanger uses phase-change ent

Bendable flaps pass through backplane grooves to fix optical diaphragms, eliminating plastic frames for super narrow backlight modules.

Integrating a slot antenna into the LED housing resolves interference from metal enclosures while maintaining structural integrity.

Merging the light source with the light guide eliminates intermediate connectors, reducing power variance and maintaining consistent illumination.

A light control film switches between transmitting and scattering states to adjust viewing angles in liquid crystal displays.

Segmented waveguide optical paths redirect off-axis light to eliminate non-illuminated voids and ensure uniform wide-angle display illumination.

Large-period gratings expand field of view and improve color control by enabling multiple diffraction orders.

A light guide element uses Bezier-defined profile curves to direct total internal reflection and adjust light beam angles.

A flexible light pipe maintains illumination as the head articulates, preventing debris obfuscation that limits visibility in confined spaces.

A display panel uses a light guide plate switching between transparent and scattering states to enable camera operation.

Fixing portion positions conversion member to manage heat generation during wavelength conversion.

Sloped side surfaces on a light guide plate redirect stray light to prevent ghost patterns, maintaining uniform brightness despite mechanical deformation.

A capacitive three-dimensional sensor uses a light-guide unit to transmit illumination from the side surface to the operation surface.

Interchangeable leveling feet adapt the base to uneven surfaces, creating an air gap that prevents mold buildup and surface staining.

Ceiling-mounted distance sensors enable automatic lighting adjustments without manual readjustment during surgery.

A nanometer light splitting film with multi-step grating structures replaces color filters in display panels to enhance transmittance.

A hybrid secondary optic with a non-spherical frustum shape controls high-angle light emission from outdoor LED fixtures.

Segmenting the backplate into fixed and adjustable portions reduces mold costs and shortens development cycles for varied screen sizes.

A reflective spatial light modulator uses electro-optic microcavities to shift reflected light phase via the Pockels effect.

Segmented reflection units route light from a single source across a curved guide, reducing volume and complexity for vehicle DRLs.

Segmented ion beam etching reduces sidewall thickness variation below 20 nm while maintaining device angle accuracy.

A transparent optical block uses collimators and a cutting diopter to converge light beams for vehicle illumination.

Circumferentially aligned portions on a round light guide plate prevent vibration rotation, ensuring uniform brightness and protecting LEDs from damage.

Precise control of iron redox ratios and network former molar balances enables broadband optical transmittance while maintaining low thermal expansion.

Elastic pressing strips on a battery box secure the circuit board, eliminating screw holes to reduce assembly time and production costs.

A solar lighting module uses conductive springs to elastically connect the panel and circuit board for quick assembly.

A light-emitting cable structure integrates optical fibers and signal groups within a transparent jacket to emit visible light during transmission.

A phase mask corrects transmission disturbances in flexible optical fiber bundles to restore coherent phase arrays.

A rotary oscillating bone removal tool uses a rack-and-pinion mechanism to drive spindle motion for surgical procedures.

Segmented drive sources mesh with transmission gears based on carriage position, reducing apparatus size and power consumption.

An embedded light emitting element radiates visible signals through windows in the cable body, resolving manual tracing bottlenecks in dense network bundles.

Separate formation of the output coupling structure reduces mechanical stress and irregularities, improving image quality.

Independent electrodes in a dimming liquid crystal panel modulate light transmittance to achieve local dimming without increasing backlight module thickness.

A superposition drive lever pivots to maintain engagement between the drive shaft and gear.

A luminaire assembly uses segmented housing structures with clamping interfaces to join elongate segments for continuous visual presentation.

An integrated flexible printed circuit board unifies the LED mounting bar and connecting leg to secure rigid electrical contact.

A key lighting assembly uses a light guide and opaque layers to illuminate non-opaque keycap portions.

Mirrors with angle-dependent reflectance minimize image light leaks from head-mounted displays.

Oblique waveguide surfaces redirect mid-infrared light for biochemical mapping, resolving field of view limits without complex deflector networks.

A biometric sensor embedded within a display panel uses a waveguide to route light for fingerprint detection, eliminating separate surface space requirements.

Stacked liquid crystal cells correct light distribution shape for various emitting modules.

An acute-angled light guide plate redirects light to eliminate hot spots and leakage in thin displays.

A scanning waveguide display expands image light from a MicroLED array using a controller and scanning mirror assembly.

A backlight module collects ambient light via optical fibers to output illumination without internal energy generation.

A wearable garment embeds side-emitting optical fibers to project therapeutic light directly onto skin.

Control unit merges standard and non-standard light beams to adjust spot size without mechanical complexity or glare.

A notch filter removes specific wavelengths from the backlight spectrum, enabling 100% NTSC coverage without thick color filters.

Light-guide optical element isolates retinal reflections to resolve superposed light rays and determine gaze direction.

Replacing friction locks with a ratchet pawl system eliminates wear-induced unreliability while enabling automatic dual-position locking for grab bar support.

Hat structure blocks direct light to prevent camera blinding while directing illumination downward for perimeter visibility.

A lighting fixture integrates a Wi-Fi transceiver to detect physician presence, reducing patient wait times by optimizing appointment scheduling.