Mechanical Apparatus TRIZ Cases

See how a dual working-fluid circuit with independent pumps and feedback control maintains cons

See how a cooling recovery coil and drain pan system prevent condensate re-evaporation and stac

See how segmented metal capture members support detached heat sinks during fire while maintaini

See how dynamic outlet port control and airflow adjustment disperse leaked flammable refrigeran

See how dynamic condenser fan speed control uses near-optimal condensing pressure setpoints to

Counterflow refrigerant routing with dual inlets keeps outdoor fins from icing while improving heat pump efficiency and COP.

See how synthesizing user comfort levels with environmental data on a single display enables ai

See how predictive MILP optimization minimizes compressor start/stop costs while meeting temper

A two-part pole joint automatically aligns segments and connects power, simplifying pre-lit tree assembly without manual wiring.

Selective valve control shifts refrigerant among heat exchanger circuits at low flow to maintain HVAC capacity and avoid superheating.

See how a PTAC controller coordinates auxiliary and exhaust fans to meet make-up air requiremen

See how a motor-driven link structure automates horizontal wing rotation for vertical airflow a

See how onboard HVAC sensors apply time-based offset correction to raw temperature readings, co

See how a dual-blade air discharge system guides flow through segmented paths to prevent re-int

See how segmented menu navigation and a DONE icon resolve the contradiction between hierarchica

Two independent refrigerant cycles let one refrigerator cool standard and deep-freeze compartments separately while improving load response.

A removable louver cap and support bracket give front access to a PTAC exhaust air filter, cutting replacement time without opening the housing.

See how an HVAC controller predicts temperature during unoccupied periods and schedules runtime

See how variable fans adjust ventilation based on detected humidity to maintain optimal sensory

See how predictive temperature change detection enables preliminary cooling action, reducing po

An HVAC controller lowers the economizer target during added cooling demand to keep using outdoor air without overcooling discharge air.

See how variable-speed compressor control adjusts latent capacity based on real-time humidity f

See how independent air supply dampers open on refrigerant leak detection to diffuse gas across

See how a management server segments air-conditioner data into normal, abnormal, and failure ca

By saturating air at its dew point and reheating it, this case achieves stable temperature and humidity control with lower complexity and maintenance.

See how temperature sensors estimate HVAC filter life by tracking actual runtime instead of cal

See how dispersed discharge holes and dual drain lines enable uniform coolant distribution acro

A refrigerant sensor triggers economizer airflow changes to detect post-installation HVAC leaks, purge leaked gas, and maintain indoor air quality.

See how selective outlet blocking in adjacent ceiling units prevents air current collision and

Supply and return air sensors cycle HVAC compressors only when needed, cutting building cooling energy use while maintaining thermal comfort.

A removable adhesive-backed filter adds densified media to mini-split air conditioners, capturing smaller particulates without unit damage.

See how an intermediary energy management layer calculates net energy balance across building s

See how a thermoelectric refrigerator redirects heat-dissipater waste heat to a drying chamber,

See how leak detectors and controller logic suspend air blowers, activate exhaust fans, and reg

See how a communication-line wakeup voltage generator and PFC capacitor discharge enable air co

See how mathematical relationships between measured and calculated variables reduce HVAC sensor

See how flow rate detection replaces fixed pressure control to optimize compressor and pump ope

Staged expansion valves and a gas-liquid separator balance liquid and gas refrigerant, preserving cooling with lower charge.

See how segmenting a thermostat into a simple local device and remote server reduces complexity

A main-sub air conditioner hierarchy controls multiple units without separate controllers, cutting cost while maintaining reliable operation under high load.

Pre-adjusting outlet temperatures before adding or stopping heat source machines keeps supply water close to the target during flow changes.

See how differential pressure sensors detect filter obstruction and wirelessly notify users, re

See how a thermosiphon transfers condenser heat to the evaporator using phase change, enabling

See how gain-based control uses building thermal mass and time constant to optimize heat supply

See how alternating heating medium and combustion gas channels in stacked plates reduce pressur

See how adjustable louver panels transition between closed and open positions to balance HVAC c

See how solenoid-actuated house vents close automatically during power outages to block fire em

See how a metal capture member with minimized top-view area protects the board from fire while

See how recirculation pumps and control valves enable independent zone temperature control in c

A light guide plate uses orthogonal prism protrusions to direct extracted light toward visual angles.

A hybrid optical device uses a central zone and peripheral light guides to control light extraction from LED sources.

Articulated support frame triggers controller to activate specific illumination units, minimizing monitor reflections during surgical procedures.

A light emission arrangement uses a segmented cover to direct focused high-intensity lighting while maintaining diffuse ambient illumination.

A slab-shaped luminescent concentrator channels pump light through high-Stokes shift materials to generate high optical power.

A light sculpture electronic card uses a patterned guiding plate to direct emitted light through specific exit areas for visual display.

A touch front light module merges a glass board, touch layer, and microstructure into one unit.

Integrating a light guide with a wavelength converter reduces projector size and complexity while maintaining high light use efficiency.

A wavelength conversion layer integrates quantum dots and impact absorbing resins to produce white light while resisting external damage.

A ring-shaped light guide directs LED emission around a camera lens using total internal reflection and surface extraction features.

A buried diffractive grating superimposed on a surface relief structure enhances light diffraction efficiency in waveguide optical elements.

A holographic or Fresnel lens diffuser fills shadows and donut holes while preserving output illumination intensity.

A head-up display light pipe couples light into a waveguide combiner to expand the pupil in two perpendicular directions.

A compact head-up display collimator integrates a diffractive field lens and polarizing beam splitter to direct light toward the combiner.

Microstructures on the reflection sheet adjust light beam angles to bypass prism sheets, reducing energy attenuation from repeated reflections.

Segmented quantum dot films use localized microstructures to compensate for insufficient edge illumination, preventing blue edge color shifts.

A force detection controller corrects electrostatic capacitance values using a reference temperature baseline to stabilize measurements.

A niobium pentoxide glass composition enables high refractive index lenses.

Elastic restoring elements reposition the oscillating frame of a gyroscopic stabilizer, resolving inefficiency from lost optimum configuration.

Smart sensor devices mounted to aerial light fixtures capture environmental data and operational status signals for remote system management.

Segmented screw geometry with variable lead angles resolves complexity-reliability trade-offs in helix-driven doors.

A collapsible solar light assembly compresses rigid components into a flexible bladder, reducing transport volume while maintaining reliable lighting function.

A light-proof cover channel redirects backlighting rays to graphic areas, preventing bright spots near the source.

A liquid crystal display panel features a cut-away corner area where a columnar frame part rises to support the substrate.

Silane-based adhesive layers bond coverglass and lightguide components, preventing delamination under thermal stress.

An insert plate acts as a thermal mediator between the LED module and the housing, resolving heat dissipation limits while allowing flexible module positioning.

Segmented eyewear housing directs LED emissions to treat wrinkles while protecting eyes from harmful irradiation.

A backlight module shading layer with separated middle and side portions accommodates differential thermal expansion.

Mounting light pipes on outer side walls resolves the trade-off between visibility and heat dissipation by clearing radiator gaps.

A backlight module uses an obtuse angle between the light receiving and reflecting surfaces to redirect non-incident light.

A torsional gyroscope uses piezoelectric drive and pickup tines to measure rotation.

Distinct curvature of the protection member restricts thermal expansion of the light guide plate, preventing damage to the light source.

A photochromic optical element uses ultraviolet light to adjust visible light transparency without conductive electrodes.

A light guide distributes light from discrete LED engines along a PCB to create uniform output.

A mouse pad structure uses a bendable wire to connect the control module, allowing dynamic distance adjustment between components.

Intersecting V-shaped grooves on a light guide member redirect and diffuse light, eliminating bright lines and removing diffusion sheets.

Elongate LED fixtures use adjustable arc tracks and flexible gaskets to resolve sealing complexity while enabling 360-degree architectural light distribution.

Segmented backlights with prism-like irregularities direct light to resolve luminance control contradictions in vehicle displays, preventing driver distraction.

Rear fixing lugs with through-holes induce total internal reflection, securing attachment without disturbing photon propagation toward the central portion.

An optical waveguide with an inclined axis enables total internal reflection.

An inclined surface on the light-transmissive bonding member reflects light to reduce luminance unevenness caused by high directivity in display modules.

Auxiliary reflecting surfaces redirect stray light to resolve insufficient brightness in edge-lit backlight units.

A push-pull actuating member with a dynamic restricting member controls curvature radius, resolving precision versus adaptability contradictions.

A vehicle decorative component uses a light guide member with multiple source sections to emit patterned light through selective reflection.

An integrated light shielding member prevents edge light leakage and bright lines by blocking reflection from plastic frame gaps.

Segmenting the lamppost and equipment box reduces transport volume while locking mechanisms maintain structural stability and theft protection.

Optimizing polarization ellipse parameters reduces light leakage below 0.05% in cholesteric liquid crystal polarizers across varying incidence angles.

Segmented lightguide plate holes with reflective resin layers suppress excessive luminance above elements to resolve thickness and uniformity trade-offs.