Mechanical Apparatus TRIZ Cases

See how a solenoid-controlled backflow branch enables intermittent spraying without frequent pu

See how ventilation spacers with grooves and slots create airflow channels in wall assemblies t

See how cellulose fibers coated with positively charged polyvinylamine capture bacteria and vir

See how adaptive expansion valve control monitors superheat degree to prevent lubrication oil r

See how predictive psychrometric calculation enables evaporative coolers to prevent humidity ov

See how a guide rail and protrusion fixing assembly enables tool-free display module separation

See how multiple temperature sensors and dynamic mode switching enable HVAC systems to achieve

See how dual electronic valve control adjusts evaporator pressure dynamically to suppress frost

See how hardware-based cable short-circuiting replaces software protocols to notify outdoor uni

See how dynamic load calculation adjusts central air conditioner pre-cooling start time based o

See how dual control modes adjust refrigerant flow rate to reduce recovery time during disposal

See how an external adsorber layer absorbs leaked flammable refrigerant and sound, eliminating

See how a sensor bulb detects subcooling degree and adjusts expansion valve aperture to balance

See how periodic level-signal switching separates power and data on the communication bus, elim

See how a nested UV sanitizing module prevents filter contamination in portable air purifiers w

Grouped air conditioners are highlighted with larger icons and on-screen controls, making floor plan operations easier in large buildings.

See how a unified setting screen displays identification, drive indicators, and control items f

See how a mobile cold storage air-conditioning system suppresses temperature error notification

See how an isolation circuit blocks power transmission while enabling signal communication acro

See how a gas-liquid separation pipe extracts gaseous refrigerant at mid-evaporator stage to re

See how integrated temperature and flow sensors enable real-time power consumption and thermal

Controllable and check valves redirect refrigerant through coil circuits to balance charge between heating and cooling without extra compensation hardware.

See how univariate and multivariate prediction models analyze HVAC operational parameters to fo

See how segmented four-way valve control enables simultaneous heating and cooling in different

See how dynamic superheat setpoint adjustment protects the compressor by maintaining operation

Curved louver slats cut drag pressure and air flow loss while protecting outdoor units from hail, dust, and damage.

See how an integrated cold plunge assembly retrofits standard tubs with automated ice generatio

See how an analog display with color-changing LEDs and projection ring provides intuitive tempe

See how dual cold energy exchangers precool incoming medium using residual cold energy, reducin

See how building equipment connects directly to off-premise servers without external controller

See how controlled freeze-thaw cycles form ice-capsules on heat exchangers to remove adsorbed c

See how bioaerosol detectors trigger dynamic mitigation resources in building automation system

See how a dual-power electrostatic precipitator uses separate heating and corona discharge circ

See how alternating tube sets enable continuous defrost during operation, eliminating frost bui

Multi-parameter valve control uses ambient temperature, compressor frequency, and exhaust temperature to prevent liquid entrainment in ultra-low-temperature heating.

See how dual sensors detect dust collection filter and pre-filter mounting status to prevent ai

A bottom fan and fixed pet-mode setpoint keep pet-level spaces comfortable while avoiding the energy waste of running all fans.

See how GUI software automates load control programming by determining settings from device typ

See how liquid level sensors and dynamic expansion valve control prevent compressor damage whil

See how a networked air quality monitor uses continuous sensing and environmental fingerprintin

See how an outdoor unit receives compressor frequency data from the indoor unit to control fan

See how feedback-based defrost control monitors evaporator performance indicators to trigger de

See how parallel outdoor heat exchangers with condensing-temperature feedback adjust flow contr

See how image-based appearance history replaces biological sensors to detect wakefulness and cl

See how resin support blocks with gravity-fed drain holes prevent melt water from freezing on m

A PCM unit stores heat from heat-pump refrigerant and transfers it to water, enabling HVAC waste heat recovery with less added ductwork.

See how a parallel condensing heater branch with valve control enables precise heating for food

See how a gas passage with opening and closing device releases refrigerant from the separator t

See how adaptive refrigerant pressure control based on outdoor temperature, fan speed, and comp

A reflective mediator in the mold frame redirects light from the guide plate to the sensor, maintaining color reproducibility without increasing thickness.

Segmenting the remote manipulation arm with an interface system eliminates direct mechanical linkage, allowing large rotations while maintaining force feedback.

An LED illumination device uses photo-luminescent materials and a waveguide to generate adjustable white light with target color correlated temperature values.

A pivotally connected tab with a frangible member breaks under excessive force to disable the external system.

Segmenting the switch into a lower substrate preserves the transparent skin's continuity, preventing damage from assembly operations.

Distributing reference light via an exit-pupil expander maps spatially-dependent retardance variations, correcting hyperspectral data-cube calculation errors.

A disc-shaped torque transducer uses a thin web and segmented hub to measure rotational force accurately.

An enclosed heat transfer part moves thermal energy from a wavelength conversion member to a dissipation structure, preventing heat-induced degradation.

Segmented light guide legs route light to specific reflection portions, resolving energy waste and uneven brightness across multiple display designs.

Combines sealing and illumination functions into one component, resolving the trade-off between device complexity and design differentiation.

Backlight panel with light refraction features directs and scatters light to illuminate a display.

Inclined planes in the optical path conversion unit redirect escaping light via total internal reflection to improve brightness uniformity.

A backlight module uses a high-absorbance sheet to suppress stray light from manufacturing defects, improving normal-angle luminance.

A switchable Bragg grating contact image sensor uses parallel optical layers to capture high-resolution fingerprint images in a compact form factor.

A variable thickness light guide with triangular prisms resolves luminance non-uniformity by optimizing optical path lengths across the display panel.

A bendable light guide film uses planar optical units and resin fillers to maintain precise alignment of light guide and emission portions.

Extractors deflect light from the light pipe lateral surface to a diffuser, resolving insufficient radiance uniformity in printer imaging.

Segmented mesh densities in a Faraday cage enable precise groove pattern formation while reducing needle-shaped defects.

An optical element converts emitted light into a parallel beam via total reflection, enabling thinner backlight components without sacrificing luminance.

A portable lightbox assembly uses a scissor lift mechanism to extend the light fixture for illumination.

Dynamic refrigerant flow control via serial and parallel heat exchanger configurations resolves full load versus partial load efficiency trade-offs.

Relocating the adhesive member from side surfaces to the back surface eliminates light obstruction in the frame region while maintaining bonding reliability.

Multiple light guide pairs connect side by side to form large illumination devices without requiring high clamping force injection molding.

Misaligned prism layers in the rear light transmitting module expand the compensation light range and improve ambient lighting coverage.

Positioning the diffraction part within 10% of substrate thickness stabilizes the optical axis against temperature-induced angle shifts.

Variable gaps between reflector and diffuser layers create luminance gradients that reproduce natural sky depth while eliminating reflected images.

Segmenting the battery into a removable module eliminates frequent dry battery changes while enabling long-term illumination without mains power.

A reflection structure with a pointed end and specific angle constrains light emission from the side surfaces of a light guide body.

An M channel spacer maintains optical spacing between a diffuser and light guide to ensure uniform illumination.

Segmented light guide plates direct red, green, and blue light to create expressive full-color visuals via viewpoint-dependent superposition.

Segmented grip shells expand handle surface area to resolve ergonomic handling constraints in slender medical instruments.

Automated retraction shields the fixture from UV damage, extending longevity while maintaining visual appeal.

Coating the optical film side surface with a phosphor layer neutralizes blue light leakage by converting it into yellow light.

A lamp module optical fiber apparatus guides movement during length changes to prevent damage.

Dichroic filter layers in a flat lighting device narrow spectral bandwidths to improve color reproducibility without quantum dot sheets.

Segmented grooves on the light input surface create uniform intensity distribution while preventing beam spreading that blurs device images.

Ceiling-integrated surgical lights eliminate overhead obstruction by dividing the field into sections for independent brightness control.

A bundle fiber outputting unit arranges sub-bundles with varying optical fiber densities to control light distribution.

An edge-lit backlight module integrates a variable transmittance control layer to achieve high dynamic range rendering within an ultrathin form factor.

Dual focus-tunable lenses in an AR waveguide adjust refractive power to correct user vision without external clips.

Segmenting green phosphor emission spectra resolves the brightness versus color purity trade-off in liquid crystal displays by narrowing spectral width.

A lighting device uses a distance regulating portion to adjust spacing between the circuit board and substrate housing.

Interlocking projections and pockets on the molded and rear frames prevent deformation, eliminating tape fastening and maintaining display quality.

A voltage sensitive device modulates light transmissivity via biasing voltage to adjust surgical lamp output.

A single optical film integrates a collimating reflective polarizer with a structured layer to redirect light and enhance axial luminance.

Stacked bent coupling lightguides merge light flux from multiple sources, reducing device volume while maintaining spatial luminance uniformity.

A detachable attachment module integrates electrical components into an awning canopy assembly to enable wireless communication and control.

A light guide plate with a wedge portion and inclined surface guides light from the source module to the display panel.

Visible light fixture combines blue-violet and secondary wavelengths to achieve high color rendering index while eliminating harmful UV effects on humans.