Mechanical Apparatus TRIZ Cases

Thermal inertia models and smart vents deliver room-level airflow only where needed, cutting HVAC energy waste while improving comfort.

See how temperature sensors at heat exchangers detect heat medium leaks and clogs by monitoring

See how valve-controlled refrigerant lines enable outdoor units to switch between parallel and

See how temperature and pressure control maintains zeotropic refrigerant blends in a single pha

See how a transparent separation plate divides the cavity into thermal insulation and storage s

See how blended-mode operation varies water distribution between evaporative cooler and recover

See how saturation-temperature-based pump down operations remove refrigerant from the economize

See how a supercooler with dual heat-exchange paths and injection-port compressor enable vapor

See how water temperature and flow rate control resolve the trade-off between dehumidification

See how a portable makeup air unit integrates a flap-switch flow sensor to eliminate external w

See how delayed fan activation and initial equivalent temperature control prevent unconditioned

See how camera-based occupancy detection and machine learning classify air-blowable areas into

See how a valve core member operates under pressure differences to prevent refrigerant reflux d

See how internal cutting edges in a hollow-structure treatment substance mechanically destroy m

See how airflow-direction flaps adjust angle and reach position based on detected thermal sensa

See how delayed fan activation and equivalent temperature control prevent thermal discomfort du

See how LED signaling confirms wireless connection status between thermostat and programming de

See how integrated controller modes enable simultaneous cooling and heating temperature targets

See how segmented outlet holes and dynamic fan control reduce wind velocity discomfort while ma

See how variable speed blower control adjusts HVAC cooling capacity by modulating airflow inste

See how a power limiting circuit and energy buffer enable HVAC actuators to run on low-power su

See how a modular humidifier with removable panel and nested spray unit reduces installation co

See how a refrigerant leakage detecting device in the heat medium circuit triggers retrieval op

See how a removable U-shaped seal covers condenser coil fin edges and sides to prevent maintena

See how a shelf integrates conductive plates, insulating layers, and fasteners to provide hidde

See how embedded magnets and cellular urethane gaskets seal air-cleaner housing doors to preven

See how monitoring heat-exchanger and outdoor temperatures enables early detection of reversing

Suction-side and liquid-side trend monitoring helps identify fan, blower, and refrigerant blockage faults before HVAC shutdown.

See how an open circuit refrigeration system uses ejector recirculation and liquid separation t

See how a photocatalytic-coated lamp integrates intake fan, filter, and 580-640 nm light emissi

See how selection signals and parameter sharing enable indoor units to operate in different mod

See how individually adjustable directional outlets with pressure feedback maintain system bala

Bridging line and low voltage on one HVAC control board enables WiFi thermostat control of humidity, UV lighting, and fan functions.

Level-by-level compressor shifting keeps pressure ratio within safe limits in low-temperature heating while preserving indoor capacity.

See how manual override with automatic return resolves the conflict between coordinated lightin

See how a humidity sensor measures water molecule adsorption on the filter to accurately determ

See how integrating the sensor and expansion valve with a shared data cable reduces weight, ins

See how inverting BLE connection roles lets the controlled appliance send advertising signals,

See how a blocking valve in the gas-side connection pipe stops refrigerant flow through minute

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

See how three dedicated evaporators with path-switching control maintain distinct temperature z

See how solenoid valves isolate the liquid receiver from indoor heat exchangers during compress

See how monitoring heat exchanger outlet temperature drop rate, indoor unit activation, and com

See how an economizer heat exchanger buffers suction pressure changes to prevent compressor pow

See how separate condensing and supercritical refrigerant circuits with optimized flow-channel

See how a dual-capillary bypass cycle with path switching and segmented evaporators enables pre

See how segmented failure diagnosis with state recording enables container refrigeration system

See how a software-based hydronic control system integrates ground heat exchangers and dew-poin

Leak detectors coordinate fans, exhaust, and alarms across multi-level HVAC units to disperse leaked refrigerant and reduce indoor fire risk.

Engaged extension parts secure optical diaphragm and light guide plate in the frame area, preventing adhesive occupation of the effective display surface.

A radial refractive index profile in an optical filter aligns emerging light rays to eliminate ghost images and produce a sharp circular sun image.

Exposed sub-bottom side surfaces on a bottom chassis improve coupling force to reduce fabrication defects in narrow bezel displays.

Segmented waveguide input directs light bundles to specific output regions, resolving non-homogeneous illumination and total reflection losses.

A liquid crystal cell with diffractive optical elements manages light polarization without external polarizers.

A vibration exciter uses a phase shifter to adjust imbalance group phasing.

A reflective display apparatus uses an inclined transparent cover plate to reflect light from a central source toward the panel.

A light guide uses a reflective diaphragm to scatter LED light across isotropically luminant surfaces.

A flat light guide integrates a bonded protective layer to shield the optical surface while maintaining transparency.

A cleat design featuring a base plate with reinforced front and rear engagement members made of high-hardness materials.

A glass light pipe couples to a textured polymeric element with microlenses to shape optical output.

Piezoelectric tire elements harvest kinetic energy during driving to charge batteries, extending electric vehicle range without adding weight.

Optical structures distribute light along the extension direction to eliminate dark areas in joint regions and reduce LED count.

A transparent light guide integrates inner and outer optical micro-structures to direct light emission through a single substrate.

Microstructures on a light-transmissible element refract beams to boost extraction efficiency and reduce spots caused by opaque lampshades.

Multi-level brazing around port holes resolves the sealing versus drainage contradiction in plate heat exchangers by creating discrete vertical sealing planes.

An electrochromic film adjusts transparency via electric current to manage light exposure in neonatal incubators.

Angled dual prism sheets improve collimation while reducing large viewing angle light without increasing cost.

A gear housing with a sacrificial leading edge fractures on collision, redirecting impact forces away from the vessel hull to prevent structural damage.

Regional backlight control reduces stress-induced light leakage by applying distinct gray level mapping functions to central and border display pixels.

A light guide plate assembly uses a transmissive part with variable transmittance to distribute exiting light evenly across the display surface.

An optical plate integrates Fresnel lenses with individual LEDs to direct light emission.

A light-guide optical element uses obliquely angled reflector surfaces to guide collimated image illumination through internal reflection.

Segmented edge light blocks with penetrating interconnects reduce backlight width while enabling independent local dimming control.

A lighting device emits collimated white light while spreading ultraviolet radiation through a spectrally selective exit window.

A light guide device uses irregularly configured components to refract light and achieve uniform brightness distribution.

Groove-type middle bezel secures backlight assembly at the bottom while flexible liquid-crystal display mounts on the opening.

Segmented handle cover traps contaminants via tapered design while preventing lamp displacement during application.

Liquid crystal shutter units control RGB light passage through transparent holes, expanding color gamut beyond traditional white LED limits.

A display device uses micro structures on a light guide plate to deflect light beams from dual sources for distinct viewing angles.

Strategic placement of light-absorbing portions at the sides of a light guide plate eliminates bright band phenomena caused by uneven gel layer transmission.

A light source module uses discretely arranged wavelength conversion parts to refract and diffuse emitted light across the display surface.

A safety-monitoring garment integrates health sensors, microcontrollers, and portable power sources to track user vitals and performance data continuously.

A wireless adapter system replaces standard luminaire receptacles to enable remote network control.

Integrating guide members reduces structural complexity while improving color reproducibility in thin display modules.

A light conducting device uses annular sub-receiving surfaces to emit received light in a single direction.

An electrically controlled viewing angle switching device integrates liquid crystal cells and polarizers to dynamically adjust optical states.

Spatially shaped light guide resolves input size versus output thickness trade-off by directing rays within required diffusion angles.

Light-scattering microstructures with controlled edge dimensions redirect light beams to concentrate viewing angles.

A bent metal substrate with a light source inserting hole protects circuit patterns and enhances heat dissipation in lighting devices.

A reflection sheet extends toward the light guide plate to create a semi-enclosed structure that securely bonds to the plastic frame.

Light emitting markers enable camera detection of respiratory phase, synchronizing radiation beams with tumor movement to reduce healthy tissue exposure.

Nested glass or ceramic fiber covering layer absorbs and diffuses leaked laser light, preventing damage from high-energy source failure.

A surgical lighting system adjusts illuminance and angle via real-time operation field image signals.

A light guide plate uses a partially reflective surface array to project image light toward a viewer.

Finite ridge width resolves manufacturing precision limits by enabling reproducible light coupling efficiency above 90% despite process misalignment.

Film-type resin layer guides LED light to replace bulky guide plates, resolving thickness and uniformity trade-offs.

A display screen assembly uses a light guide plate to illuminate virtual keys in the non-display area.