Mechanical Apparatus TRIZ Cases

See how a bypass line with valve and pump enables compressor shutdown at low ambient temperatur

See how a second expansion device in a bypass refrigerant cooler prevents controller overcoolin

See how a curved-canopy fume hood routes extraction through hollow support legs, eliminating ex

When no return duct sensor is available, discharge air stability and stored offsets let HVAC controllers estimate return air temperature for fault detection.

See how dynamic airflow control using real-time particle counters maintains ISO cleanroom class

See how wearable in vivo and skin temperature sensors enable automatic air conditioner adjustme

When in-band links fail, processors modulate workload into thermal pulses to preserve low-rate communication for operation and troubleshooting.

See how integrated thermal regulation and air purification uses real-time pollutant sensors to

See how perforated foil and offset grid plates reduce flow resistance, enhance gas-moisture exc

See how UV-C or chemical filtration sanitizes liquid near the air treatment device, shortening

See how multi-image temporal analysis detects filter clogging and drain pump abnormalities by t

See how dynamic switching between TLC and SLC modes based on real-time temperature monitoring p

See how feedback-controlled inert gas circulation prevents filter clogging while limiting fumes

Working fluid temperature sensing lets fan coil thermostats switch heating or cooling automatically for more accurate control and better comfort.

See how a bypass line and valve control prevent condenser evaporator operation at high ambient

See how group feedback analysis generates dynamic comfort limits from user data to reduce disco

See how active flow-mode switching between pulse tube and JT cycles reduces input power and str

See how separate evaporators and path switching enable independent wine and freezing chamber co

See how combining a variable-speed exhaust fan with a constant-speed fan reduces motor drive co

See how linked dust sensors across multiple air cleaners select a master sensor, share measurem

See how a fireproof air transfer unit with heat exchange serves multiple fire cells, achieving

See how an air purifier maintains out-of-operation state unless a specific wakening instruction

See how a polymer catcher between compressor and condenser captures polymerized HFO refrigerant

See how breathing rate and volume extracted from video signals estimate CO2 levels in confined

Modular InRow liquid cooling uses heat-transfer loops and leak detection to cool dense IT racks while reducing coolant damage risk.

See how merging environmental sensors with fire notification devices enables wireless monitorin

See how integrated particulate, gas, temperature, humidity, and noise sensors predict adverse a

PWM and stepper valve control stabilizes hot gas defrost in cascade refrigeration across ambient changes while protecting the compressor.

See how interchangeable metering pins with varying taper portions enable a single thermostatic

See how integrated air-conditioning dehumidification increases R-744 liquid fraction and energy

See how a single-sheet bent monolithic frame with pre-formed coved corners eliminates welding a

See how segmented evaporators with independent dampers and divider panels prevent condensate re

See how automated fluid filling modes with feedback sensors eliminate subjective judgment, prev

See how dynamic memory calculation for trend logs enables HVAC users to configure buffer size,

See how non-invasive acoustic sensors replace contact-based vibration monitoring to detect equi

See how predictive control with battery storage optimizes HVAC energy purchasing and discharge

Pressure data from stationary mobile devices is used to separate HVAC state changes from altitude shifts, improving indoor radio maps.

See how series-connected power feed units with auxiliary backup reduce wiring complexity and en

Flexible rubber lines replace rigid copper tubing to simplify AC enclosure cooling assembly and maintenance while improving durability.

See how cooperative control of outdoor and indoor air conditioning units optimizes operating ca

See how cloud-based project delivery codes enable centralized VRV air conditioning control with

See how multi-angle sub-blades and a rotating airflow guide unit direct air horizontally, reduc

See how dynamic gate resistance selection based on operating state balances switching noise and

See how a thermostat learns from user adjustments to auto-generate energy-efficient schedules,

See how variable-speed control of an electronic expansion valve balances rapid response and sta

An integrated roof vent combines sleeve, gooseneck, and backdraft damper to simplify HVAC and wire termination while improving airflow.

See how direct integration of the connector female end into the middle partition eliminates the

A terminal unit augments cooling with a local heat exchanger that accumulates moisture for latent heat removal.

An integrated catch mechanism locks a deflectable shaft upon release of the control element, eliminating unintended movement during operation.

A lens member between shielding and light guide modules improves optical efficiency through a non-air-gap structure.

Varying prism curvature redirects light across wider angles, eliminating moiré patterns while sustaining on-axis brightness.

An optical element uses liquid crystal alignment patterns to refract transmitted light while maintaining high transmission efficiency.

A dome-shaped fluorescent material redirects excitation light to achieve uniform illumination across the emission area.

Differentiating light source distances from guide boundaries resolves non-uniform luminance at rounded corners.

Protruding lens legs insert into substrate holes to maintain mechanical stability against adhesive detachment caused by heat or impact.

Coupling member seals the liquid crystal display panel to the light guide plate, creating a compact optical assembly.

Movable segments in a louver blade resolve the contradiction between particle blockage and air flow rate by dynamically adjusting free area.

Angular selective notch filter reflectors partially transmit light rays within specific transflectance bands to optimize waveguide propagation.

A touchpad assembly uses a lightguide layer to display mode graphics while processing user inputs on a single printed control board.

Vertical waveguide shifts reduce crosstalk while maintaining high packing density.

A light-directing lensing member refracts light from an emitter in a predominantly off-axis direction toward a preferential side.

A piezoelectric component recycles electrical energy to sustain vibration.

A vehicle climate status indicator uses a light guide around the vent perimeter to provide visual feedback on HVAC operations.

A light diffuser plate uses anisotropic convexities with varying boundary curvatures to control diffused light distribution angles.

Composite nanoimprint lithography with lateral demolding enables mass production of slanted gratings without mold damage.

A UV light panel integrates a beam reflector and scattering features to steer and extract light uniformly across the guide surface.

Flexible retaining members compress during insertion to eliminate sharp edge damage and reduce installation effort.

A side-lit liquid crystal display backlight uses light emitting diodes on flexible wiring substrates to distribute illumination across a light guide panel.

Curved fins on a flexible silicon shield block lateral crosstalk between adjacent light pipes.

A lighting display assembly uses a transparent light guide plate and positioned light source to illuminate patterns for visual engagement.

Merged support functions eliminate separate alignment tools to resolve thickness versus precision trade-offs.

Modular heat-sink-mounted LED arrays with venting apertures balance current between strings to maintain a CRI of at least 90.

Diffraction gratings on the TFT substrate enable dual-view naked-eye 3D display, removing lower polarizers and color films to reduce device thickness.

Segmented light extracting structures resolve non-uniform emission in linear lighting devices by maintaining intensity variation within 20 percent.

A fishing light uses a light guiding member to refract and diffuse LED illumination, expanding the apparent size of the luminous body.

A white reflective film uses a nonporous spherical particle coating to enhance backlight luminance.

RU and RSR parallel linkages eliminate singularities and overconstraint in two-axis robotic wrists.

Magnetoresistive sensors measure torque independently of tiller arm angles, resolving angle-dependent measurement inconsistencies.

Laminated light guide sheets with coplanar taper sets reduce component count and manufacturing costs while maintaining diverse pattern display.

Truncated cone and rounded cap sections within the lens body achieve uniform light distribution without visible intensity fluctuations.

Directly mounting COB LED chips into light guide panel recesses maximizes optical coupling efficiency.

Deflection surfaces parallelize divergent light from a strip-shaped exit surface, eliminating shadowing losses and achieving homogeneous illumination.

Serrated light control components suppress specular reflections by scattering or absorbing ambient light, preventing glare in head-up displays.

Segmented optical cores with separation elements prevent light mixing between adjacent pixels on flexible displays.

Segmented flexible portions enable simultaneous orientation of multiple instruments toward a single target point.

A medical lamp control unit displays a real-time model of the light cone on its screen for intuitive operation.

A reflective sheet positioned on the inner peripheral surface of an annular light guide scatters illuminating light to suppress unevenness caused by gaps.

A backlight device uses transparent resin frames bonded with optical adhesive layers to diffuse light uniformly across the display panel.

A conforming heat dissipating structure uses metal shavings and balls to transfer heat from LEDs to irregular surfaces.

An optical composite sheet integrates a prism sheet, light diffusion layer, and wavelength-selective absorbing layer to enhance display color gamut.

Replacing solder with mechanical crimps and sealing gaskets prevents loose contacts in outdoor lighting.

A pattern reducing region lowers light-emitting density near fixing grooves to prevent leakage without extra manufacturing steps.

Nanoparticle-laden diffusing adhesive intensifies blue light scattering to suppress angular color shifts in quantum dot displays.

A head up display light pipe uses a turning grating to inject light into a waveguide combiner for pupil expansion.

A reconfigurable optical fiber spectrometer embedded in a lighting device guides light to interact with the environment for spectral analysis.

One prism sheet in the backlight module increases brightness at 25° viewing angles while lowering manufacturing costs.