Mechanical Apparatus TRIZ Cases

See how a detachable dial thermostat uses magnetic alignment and wireless charging to enable re

See how alternating tube sets enable continuous heat transfer and self-defrosting without stopp

See how toolbox-type modular air cleaning units with coupling expansion modules adapt airflow a

See how spray-based evaporative cooling on a gas cooler enables CO₂ refrigeration to stay subcr

See how multi-surface box attachment parts enable common inspection port access across multiple

See how a liquid-to-suction heat exchanger with accumulator and receiver controls refrigerant c

See how dynamic switching between one-stage and two-stage compression modes enables efficient a

See how interspersed parallel tube sets with dual expansion valves enable heat pumps to maintai

See how internal protective devices with cold seals shield the damper blade end face from conta

See how a flow rate control valve and temperature difference monitoring enable reliable refrige

See how subcool and superheat values identify the leaking compressor circuit, isolate it, and r

See how pressure regulating elements in each cooling path create controlled pressure drops to s

See how a modulating reheat valve with sensor feedback dynamically adjusts refrigerant flow to

See how a three-pipe air conditioner uses ejector bypass and intermediate units to enable effic

See how a multi-mode evaporative cooling apparatus uses separate water circuits and flow contro

See how a control module compares actual and expected motor parameters to enable real-time fan

See how a controlled emission stack uses dampers and periodic release to meet fumigant regulati

See how a thermal mass flowmeter uses printed circuit boards to form a duct, heating elements,

See how automatic deadband adjustment around setpoint reduces fixed-stage compressor cycling in

See how a chamberless duct detector uses direct airflow exposure and axially aligned sensing to

See how a VRF dehumidification system uses multiple sensors and dynamic capacity modulation to

See how relay-based disconnection of inverter circuits and diode bridges reduces air conditione

See how dual-parameter control preserves user preference settings while allowing temporary adju

See how dynamic supply air temperature adjustment and diffuser damper control reduce fan and ch

See how integrating a receiver tank with an expander recovers wasted expansion energy to compre

See how a thermostat mounting bracket with pogo pins and magnetic alignment simplifies installa

See how periodic alternation between heating, cooling, and hot water supply operations reduces

See how a refrigeration unit with segmented control valves delivers cooling fluid at two temper

See how a device management system uses predictive thermal load and standby time determination

See how a transparent substrate with surface-mount LED enables visual inspection of air conditi

See how a solenoid-based flow adjuster with dynamic valve control prevents liquid refrigerant a

See how temperature sensors in indoor units enable automatic installation position determinatio

See how wireless sensors near supply and return air pathways classify HVAC cycle types without

See how a hot-gas bypass pipe redirects compressor refrigerant to melt outdoor heat exchanger i

See how automated valve calibration during low-consumption periods enables precise irrigation f

See how hierarchical operation modes with pre-configured sub modes and server-recommended param

See how rear guide protrusions and suction path guides prevent static pressure loss, abnormal n

Separated upper and lower tanks, a dip tube, and heat traps preserve hot water stratification and cut standby thermal losses.

Wearable-based user profiles let one air conditioner balance different sleep states and room conditions to improve comfort and reduce energy use.

See how dual-mode water delivery assemblies simplify condensate circulation between indoor and

See how raised edges reinforce a thin mounting plate for expansion valves, reducing weight and

Wireless control, energy tracking, and maintenance alerts help tankless water heaters cut waste and keep temperature settings precise.

See how segmenting control parameters into preset and adjustable categories reduces operation s

A side-mounted heat sink on the inverter box uses condenser inlet airflow to cool the power module in transport refrigeration units.

See how a stepped flow path merged with the housing surface enables cold air circulation in dee

See how an adsorbent adsorbs and desorbs refrigerant based on pressure changes to reduce operat

See how an HVAC actuator uses integrated heating and humidity monitoring to prevent condensatio

A learned pressure-power curve detects injector backflow causes under partial load using existing sensors, avoiding added hardware cost.

Varying serration depths on the light guide plate side enhance light entrance efficiency and uniformity while maintaining thickness.

A multiview backlight uses a scattering medium and partially reflective layer to direct light beams toward specific viewing angles.

A semi-automatic transmission control unit manages reverse gear selection through coordinated shifter and actuator signals.

A curved surface ADS display panel integrates a glass light guide plate with substrates to position the neutral layer between them.

A vehicle illumination system uses a lightguide with distinct extractors to redirect light from separate sources into orthogonal directions for independent control.

Blue light absorbing dyes in color filters convert harmful 400-450nm radiation into safer green wavelengths within display subpixels.

An integrated optical sheet with a printed light-blocking layer prevents thermal expansion separation and light leakage in backlight assemblies.

Integrating a light guide between panes resolves the space and complexity trade-off of separate lighting components in laminated structures.

Controlling ultraviolet irradiance and integrated dose suppresses odor generation from squalene reactions while maintaining sterilization effectiveness.

Silane coatings on glass substrates enable PMMA dot adhesion, preventing delamination during weathering tests.

Merged light guide and lens eliminate interface reflections to boost illumination brightness.

Heat sinks dissipate LED junction heat while outer optics redirect narrow beams to reduce glare and improve horizontal illuminance in underground lighting.

Optimizing the weight ratio of hollow inorganic particles to matrix balances low refractive index with mechanical strength.

An intermediary light guide homogenizes injection from LEDs into pierced glass, reducing absorption losses and mounting difficulties.

A segmented waveguide architecture with reflective extraction features expands the exit pupil for wide field of view while maintaining a thin form factor.

Segmenting the control node into a wireless adapter bypasses costly driver replacements, allowing legacy street lights to support advanced network interfaces.

Integrating a wavelength converter on the light source surface expands the color gamut of LCD devices without adding structural complexity.

A head-mounted display image projection system duplicates light using mirrors positioned within the lens diameter to create a wide eye box.

Segmented light transmission portions align with the panel to illuminate indicia without complex integration mechanisms.

Sliding clamp creates interference fit to secure in-grade light fixture while allowing modular inner housing removal for simplified maintenance.

Dual joint members constrain a light guide member on a substrate, suppressing thermal expansion distortions that alter optical path precision.

Segmented bonding members with non-recessed attachment zones secure guide molds against detachment, preventing foreign matter ingress in thin display devices.

Varying microstructure sizes along the bending region prevents debonding and light leakage in foldable display devices.

A grate-like structure serves as both an electrode and a grating to control liquid crystal refractive index.

A flexible conveying circuit slat enables smooth telescopic adjustment in surgical smoking knives.

Integrating a viscoelastic layer with the lightguide eliminates separate adhesives and reduces assembly complexity while enabling flexible positioning.

Segmented tapered surfaces manage critical angle thresholds to improve visual uniformity in illumination systems.

Segmented mold portions replace adhesives to fix the light guide plate, preventing gaps caused by humidity damage.

A central unit accepts replaceable functional modules to reconfigure capabilities without replacing the entire device.

Lateral prisms on a light guide plate recover light lost from side edges, increasing backlight module luminance by up to 11 percent.

A reflective polarizer array inside an optical waveguide redirects light portions to spatial light modulators.

Disposing an opaque material between adjacent indicator lights on a printed circuit board prevents unintended illumination of neighboring indicators.

Moveable heat sinks and dual reflectors redirect stray light through a central opening, resolving inefficiencies from stock lenses.

Transverse middle frame grooves embed optical film lug structures, eliminating gaps that cause visible shadows in ultra-narrow bezel displays.

Segmenting narrow-view and wide-view deflectors prevents blurring at oblique angles, maintaining image clarity beyond 60 degrees.

Belt drive replaces gears to reduce friction and noise while modular frame enables portable watercraft transport.

An edge-lit backlight module uses overlapping light guide plates with independent light sources to control brightness in sub-regions.

Direction-dependent outcoupling structures selectively emit light from a waveguide based on propagation direction to create distinct illumination patterns.

A backlight module light guide plate uses indentations with non-parallel sidewalls to direct light beams from multiple LED sources.

Serrated lightpipe replaces mechanical reflectors to reduce depth while blocking solar glare that lowers contrast in traffic signals.

Segmenting light emitting elements into independently controllable, staggered luminous areas resolves low contrast in full illumination displays.

A lighting system uses a Rayleigh diffuser panel to create uniform skylight simulation.

Limiting step height between optical surfaces suppresses liquid drooping, ensuring uniform hard coat layers and reliable light guiding performance.

A waveguide uses axially extending scattering flanges and interposed notches to direct light backwardly along its length.

A drive unit design method optimizes resin shaft geometry to maintain safe contact pressure levels during rotational power transmission.

Segmenting the light apparatus into detachable modules resolves the contradiction between portability and device complexity while maintaining adjustability.

Segmented coupling elements with inward pointing angles reduce optical component size while maintaining scanning versatility.

Segmented light guide prevents lateral light leaks and eliminates complex painting operations to deliver homogeneous illumination.

Unitary injection-molded cover eliminates multi-part assembly costs while protecting the recessed lens from damage.

Dual diffusing surfaces on a spherical light guide redirect LED beams for 360° coverage, eliminating bulky bases that block light.