Mechanical Apparatus TRIZ Cases

See how intelligent thermostats use pre-cooling and thermal characterization to shift HVAC ener

See how side-by-side arrangement of axial fan and compressor reduces dehumidifier height and vo

See how air quality sensors integrated into outdoor electronic displays reduce theft risk, leve

See how selective decompressor opening and circulation switching prevent compressor liquid back

See how independent control assemblies for chiller, pump, and cooling tower isolate faults and

See how preliminary valve opening sweeps impurities from the expansion valve gap, preventing cl

See how segmented refrigerant flow to a reheater enables independent humidity removal and tempe

See how nesting a UV sterilization lamp within the lower guide groove prevents harmful exposure

See how vehicle systems identify occupants and travel patterns to pre-condition building HVAC s

See how upstream evaporative filtering and sensible heat exchange in two stages improve air con

See how an economizer integrates heat exchange and gas-liquid separation cavities to reduce ref

Outdoor-side return air compensation improves freeze detection accuracy and protects the evaporator without indoor-outdoor communication.

Distributed sensing and zoned adjustment tailor local temperature to user preferences, reducing discomfort from uneven heating and cooling.

See how positioning scale trapping material orthogonal to flow paths allows water to bypass the

A reversible blower and switchable third vent cut filter resistance in fan mode while preserving full filtered airflow in purification mode.

See how blade position sensing controls UV light source operation to prevent user exposure whil

See how dynamic AHU control adjusts ventilation, fresh air intake, and supply parameters to red

See how air conditioners share outdoor sensor data wirelessly to reduce individual sensor costs

See how occupancy detection, preference learning, and energy-cost prediction enable automatic c

See how a stainless steel functional component connects aluminum and copper refrigerant pipes t

See how pivotable doors in the panel frame enable hanger part adjustment without panel separati

See how machine learning pre-sets evaporating temperature and superheat degree to align air con

Perforated shelf ceiling holes let FFU air pass into storage spaces, reducing stagnation and preserving clean room cleanliness.

See how vapor injection between pump and evaporator raises refrigerant temperature to prevent s

A fluid control and reflective UV layout increases contaminant exposure, improving sterilization and deodorization beyond filtration alone.

See how liquid pipe heat exchanger temperature comparison enables timely operation mode switchi

Sensor-driven ozone and monoterpene mixing adapts radical output to room conditions, balancing disinfection speed, ozone safety, and energy use.

See how an IAQ control system uses CO2, VOC, and PM sensors as intermediary indicators to estim

See how placing the intermediate heat exchanger in a separate container outside indoor and outd

See how dynamic refrigerant pressure reduction at usage-side valves suppresses leakage through

See how an auxiliary heat exchange branch with condensing heater and valve control enables prec

See how four sensor groups at varying heights and positions detect local oxygen reductions arou

See how performance mapping captures baseline equipment behavior during manufacturing to enable

See how weather-based draught fan parameter adjustment protects outdoor units from rain, snow,

See how a variable refrigerant package air conditioner integrates dehumidification and ventilat

See how a controller switches pump discharge quantity and temperature adjustment between normal

See how curved support elements expand pleated filter media within compact housings to reduce p

See how UV-activated photocatalytic panels oxidize water to generate hydrogen peroxide vapor, e

A ducted modular PCO layout boosts airflow and oxidizer mixing while limiting UV stray light and energy demand for air and surface sanitization.

See how locus detection directs disinfecting ions or ozone to high-contact locations, reducing

See how a movable blade and panel with guide holes segment airflow into two outlets, preventing

A controller adjusts fresh air damper position from airflow, energy, and humidity signals to balance IAQ, comfort, and HVAC capacity.

Dynamic refrigerant charge control helps aircraft vapor cycle cooling stay stable as fuel, ram air, and bypass duct heat sinks vary.

See how pressure deviation calculation and preheating prevent refrigerant migration and compres

See how a collapsible elevation piece enables pets to access elevated seating next to owners, t

See how indoor units detect mode changer connections by monitoring heat exchanger temperature c

See how densely sintered aluminum oxide ceramic electrodes enable plasma-based exhaust air clea

An annular prismatic optic reduces parallax errors by merging transmit and receive paths, improving distance measurement accuracy across the field of view.

Varying reflecting element density along the rod compensates for non-uniform emission, achieving consistent illumination across the reading area.

A directional backlight unit uses a reflective polarizer and diffractor to route light toward specific viewing zones.

Digital micromirror devices expand effective pupils by reflecting illumination pulses at intermediate tilt angles, avoiding cross-coupler diffraction losses.

Diffractive optical element conveys light along an optical path to correct vignetting in head-mounted displays by boosting peripheral brightness.

Contracting and steering lenses reduce optical pitch, easing thin-film filter manufacturing constraints.

Dual LED arrays paired with reflectors redirect light beyond the cut-off angle, reducing glare while enhancing peripheral vision for drivers.

A compensation light structure with a semi-convex lens and reflective layer redirects light from backlight gaps to eliminate hotspots.

Ink applied to microstructured films controls light escape to eliminate expensive injection molding tooling and improve manufacturing cost.

Replacing semi-transmissive mirrors with a geometric light guide eliminates absorption losses, maintaining consistent brightness and color tone.

A protruding electronic component blocks light leakage between adjacent emitters and guiders, preventing misjudgment of remaining battery life.

A laser projector light source system integrates beams via a dichroic beam splitter and wavelength conversion device.

Merges independent light strips into a single unit with spatial separation to reduce manufacturing complexity while maintaining fill light effects.

Grooved light leakage preventing member accommodates light emitting elements to redirect optical propagation.

A multi-streak diffraction grating optical sheet condenses light in one direction while diffusing it perpendicularly to align with prism sheets.

Segmenting the light panel enables sliding extension for 360-degree lighting while maintaining water resistance.

Offset bearing projections guide the airbag module to reduce friction and prevent tilting during off-center horn actuation.

Integrated clips and a mask fix the light guide position, eliminating screwing mechanisms that increase device complexity.

Protrusions on the light-receiving face enable orientation recognition without increasing lateral dimensions or causing uneven light intensity.

An oblong optic collects light from linearly arranged sources to emit a rotationally symmetric beam, resolving checkerboard patterns and size constraints.

Arcuate surfaces create a friction pivot joint that securely positions light sockets on irregular environmental items.

A cup-shaped reflecting surface redirects LED light to redistribute illumination across the target area.

Dual electric actuators rotate pedals parallel to the frame, resolving space constraints during urban bicycle storage.

Mechanical fitting members replace silicon resin tape to prevent thermal expansion induced waviness and simplify assembly.

Arc-like light guide directs emitted light across the reading area to resolve uneven illumination in non-flat reading surfaces.

Plate-shaped light guiding section directs synthesized optical flux through perpendicular surfaces to manage radiation angles.

A corner cut liquid crystal display panel with a matching backlight light guide provides uniform illumination across the active viewing area.

A C-shaped light guide hides carrying components behind the emitting surface, resolving visibility issues while maintaining structural support.

Print marking materials with specific refractive indices on optical waveguides to control light refraction and scattering for image display.

Circular holes in plate-shaped spokes increase bending deformation to absorb impact loads while maintaining torsional rigidity.

Augmented waveguide regions use varying grating duty cycles to modulate light intensity and field of view.

A backlight LED structure uses a flange with light guide points to shield and direct light emission from the bracket assembly.

Segmented first electrode contact parts on separate pads discharge heat from the interfacial region, resolving non-uniform thermal distribution in LEDs.

A single housing contains separate white-light LED modules for pedestrian and motorized zones to deliver distinct color temperatures.

Light transmissive core directs aircraft cabin light to illuminate seat indicia above overhead bins.

An integrated optical system uses polarizing beam splitters and quarter wave plates to condense light, reducing augmented reality device thickness.

Segmented reflective surfaces embedded in a light-guide optical element eliminate inactive areas that cause image holes, ensuring uniform illumination.

A light-guiding optical system uses segmented reflective surfaces to direct collimated rays across a planar guide for uniform output.

Dynamic brake torque regulation compensates for torque fluctuations during emergency stops, reducing vibration and component costs.

Segmented housing and a second conductor emitting through a gap solve the trade-off between narrow light strip width and sufficient illumination intensity.

Segmented latching surfaces constrain rotation of the connection element, enabling wide angular adjustment while maintaining stable attachment.

Field-adjustable reflectors in this illumination system resolve fixed-optic limitations by enabling precise light directionality control.