Mechanical Apparatus TRIZ Cases

See how an HVAC controller uses electrical switch configurations in calibration mode to detect

Reusable filter media is cleaned by shaking or air nozzles so dust falls for collection, cutting replacement labor and material costs.

See how liquid level sensors replace superheat calculation to control expansion valves, prevent

See how modulated reference signals embedded in power consumption measurements confirm air cond

See how predictive psychrometric calculation and dynamic water flow control prevent humidity se

See how a remote moisture sensor positioned on clothing or surfaces prevents premature shutdown

Humidity feedback and supplemental heating keep interior dew point stable during temperature swings without energy-intensive cooling.

See how segmented frame fixation with adhesive layers stabilizes stacked pleated filters, preve

See how adaptive turbine valving enables series and independent flow modes to recover cabin out

See how a valve controls refrigerant flow through the lowermost outdoor heat exchanger pipe to

See how an adjustable expansion valve in the relay unit branch portion maintains heating capaci

Curved air-guiding panels deflect rising heat away from supply air, separating return flow and cutting laboratory air-exchange energy.

See how a heating unit between accumulator and compressor uses heat exchange to improve oil ret

See how occupancy detection and predictive HVAC control resolve the contradiction between energ

See how sensor-based occupancy detection automatically selects HVAC profiles for individuals an

See how a liquid refrigerant control valve injects refrigerant downstream of the expansion devi

See how automated geotagging and image verification replace manual data collection to reduce fr

See how sealing members and magnetically neutral separating layers prevent particle ingress bet

See how a multi-case shield assembly with soundproofing and refrigerant discharge holes reduces

See how a movable limit piece adjusts minimum orifice flow area to prevent centrifugal compress

See how series and independent turbine operation with valve control optimizes bleed air, fresh

See how early-stop preheating and precooling with natural temperature drift reduces air conditi

See how an instantaneous heater with reservoir recirculation and dynamic flow mixing maintains

A valve blocks refrigerant flow in the lowest outdoor heat-exchanger pipe to limit frost buildup, shorten defrosting, and sustain heating.

See how a parallel-connected second expansion device adjusts flow area to prevent refrigerant c

See how VLAN segmentation enables multiple PDN connections over a single physical interface, re

See how a discharge path and switch structure extract accumulated refrigerant from idle heat ex

See how an air-permeable substrate with photocatalyst coating produces non-hydrated hydrogen pe

See how an auxiliary water path uses high-temperature water from the main circuit to defrost th

See how a color palette construction unit enables user-defined display tints while maintaining

An accumulator cools low-temperature compressor discharge using flooded low-side refrigerant, improving medium-temperature compressor efficiency.

See how a lifting mechanism with anti-pinch springs and limit switch prevents hand injury in th

Sensor-based monitoring detects open intake or exhaust pressure switches, shuts down the blower, and helps prevent water heater combustion failures.

See how a multiple-system controller stages HVAC operations using anticipated power consumption

See how flash gas separation and pressure regulation maintain isothermal evaporation by elimina

See how integrated vibration devices automatically clean adiabatic cooling pads to maintain air

See how a reversing valve redirects hot refrigerant gas to rapidly melt evaporator frost, reduc

Refrigerant heat from an air conditioning loop is routed through a tank heat exchanger to warm water with lower cost and less system complexity.

See how a liquid passage and expansion valve release receiver pressure to the utilization heat

See how voltage-drop circuitry harvests energy from relay circuits to recharge thermostat batte

See how a movable filter panel extends below a partially open garage door to enable natural ven

See how a movable fan housing assembly protrudes through a front outlet to deliver conditioned

See how integrated light extractors in the airflow path emit directional light to simulate natu

See how a fixed-side support plate isolates the refrigerant flow path unit from compressor vibr

See how a retrofit cold plunge assembly chills water to 33-45°F using integrated cooling and st

See how detector-driven ventilation control maintains safe metallic element concentrations in s

By raising flash tank pressure and heating stored refrigerant, this case shortens evaporator defrost time while avoiding high-pressure hardware.

See how electronic expansion valves replace noisy three-way solenoid valves to enable modulatio

See how a single manifold plate integrates refrigerant flow paths, heat exchangers, and valves

Segmenting boom and bucket functions into foot pedals frees hand controls for steering, resolving productivity losses from manual throttle adjustments.

Rotatable lighting assemblies and mirror-based focus regulation resolve the trade-off between structural stability and adjustable light direction.

Coupling devices launch and extract guided waves at millimeter-wave frequencies, reducing propagation loss while supporting increased bandwidth demands.

Spatially varying grating parameters in the volume grating enable controlled spatial and angular illuminance distribution at the output side.

Angled light guiding faces convert point source emission into plane light, resolving brightness uniformity issues in display backlight modules.

Replacing low-luminance LEDs with laser sources allows longer, thinner light guides while maintaining sufficient exit intensity.

Pixels act as light sources directed through a light-guiding layer to photosensors, eliminating separate external illumination.

A double-sided tape uses distinct adhesive strengths to bond optical films while releasing from the liquid crystal panel.

Integrated alignment pins on the light guide plate eliminate adhesive frames, reducing module thickness and assembly complexity.

A flexible light pipe assembly uses internal reflection to guide illumination through thin polymer sheets.

Splitting the lens into separate pieces eliminates hotspots and reduces light loss by enabling continuous refraction without adding diffusing agents.

Asymmetric conical tip penetrates hard soil while composite materials prevent rust, enabling stable wind resistance without complex assembly.

A backlight module presses a quantum dot film onto a light guide plate using a horizontal extensive object, preventing edge distortion and blue circles.

Reinforced lead wire segments prevent terminal disengagement under lateral tension, eliminating false lines and simplifying manufacturing.

A display panel bonds to a backlight frame via an adhesive member while the polarizing plate sits on the inner side of the frame.

Segmented pin members with dual-end support resolve complexity-reliability trade-offs by securing pins against erroneous operation.

A laser therapy diffusing tip employs a gradient scattering medium insert to eliminate hot spots and ensure uniform illumination.

Graded phosphor concentration in the wavelength converter compensates for LED overlap, eliminating color unevenness in reduced-frame displays.

Polygonal microstructures with inclined faces concentrate light and improve directivity, resolving poor uniformity in conventional plano-convex designs.

High-index light guide layer directs guided light through a diffraction grating to emit directional beams for multiview displays.

A domed polymer housing integrates lens, textured, and volume diffuser layers to spread light from embedded components across the upper wall surface.

Fully enclosing strain sensors within a fiber-reinforced crank arm eliminates external exposure and sealing issues, ensuring accurate power measurement.

Sub-grating auxiliary structures minimize distracting reflections between gratings, maintaining real-world visibility in augmented reality displays.

A direct drive electric seed metering system uses a prime mover to rotate the seek disk hub at precise angular velocities.

Dual surface light source assemblies and a prism optical film enable backlight modules to switch between wide and narrow viewing angles.

An illumination device uses an extended light guide portion to direct second LEDs toward corner areas for uniform brightness.

Quadrilateral reflective patterns with concave and embossed portions scatter light to resolve hot spots in edge-lit backlight units.

High-energy UV-C laser diodes couple to side-emitting optical fibers to route germicidal light through confined aircraft interiors.

Assigning different aperture areas to red, green, and blue sub-pixels according to their specific wall plug efficiencies reduces total power consumption.

Integrating a diffraction grating light guide with a phosphor conversion section reduces device size and complexity while maintaining spectral quality.

Merging filtering agents into resin eliminates optical losses from secondary media while controlling photometric patterns.

A translucent body structure disperses light from an internal fixture to a surface for uniform illumination.

Segmenting the backlight into independently controlled zones resolves the trade-off between low power consumption and versatile 3D display capability.

Segmented robotic arms with guide wheels bridge voids and prevent buckling during extended reach operations.

Printed reflection parts on a light guide core bar prevent hot spots and delamination by merging diffusion layers into a single co-extruded component.

Bent alignment portions on flexible polymer optical films wrap around light guide layer edges to prevent misalignment and minimize inactive border areas.

Transparent light distributor embeds laser-formed scattering and guiding structures to deflect LED light internally.

Stacked prism sheets orient beams toward the normal, reducing reflections and increasing luminance.

Thiol surfactant acrylate polymer encapsulates quantum dots to block moisture and oxygen, extending service life without gas barriers.

A modular LED street light design featuring interchangeable light source modules and extended aluminum supporting pipes for flexible power configuration.

Direct optical sheet adhesion eliminates base film deterioration, maintaining luminance uniformity at high temperatures.

A crank arm spring assembly biases pedal rotation to store and release energy for smoother torque delivery.

Plate-like light guide directs LED emission through inner side faces to outer surfaces and main rear surface, resolving weak side visibility trade-offs.

Integrating a prism film and polarizer via adhesive resolves the conflict between minimizing backlight thickness and preventing light guide plate scratching.