Mechanical Apparatus TRIZ Cases

See how a door-mounted flexible chamber with independent evaporator and fan resolves deep-cabin

See how ductile stainless steel pipes with controlled austenite-ferrite microstructure combine

See how an integrated inlet assembly combines flow sensor, shut-off valve, and diffuser in one

See how HVAC preconditioning calculates start time and setpoint from attendee thermal preferenc

See how upstream porous material pre-cools ambient air through evaporative cooling to boost con

See how an integrated air conditioner uses phase-change thermal storage to eliminate outdoor un

See how disconnection and short-circuit contactors prevent counter-EMF inrush current and magne

See how predictive DCIM analytics calibrate compute, power, and cooling systems by measuring co

See how a hinged housing design allows the air filtration system to pivot outward and auto-disc

See how automatic address setting using indoor-unit specification information prevents manual e

See how notched passive circuits close as particulates accumulate, triggering RFID signals to o

See how a circular touchscreen input element consolidates climate, lighting, and security contr

See how an ionization unit with activated carbon combi-filter captures viruses and fine dust wi

See how dynamic subcooling degree adjustment resolves the contradiction between refrigerant det

See how an LED fixture integrates occupancy sensing and wireless communication to enable low-co

See how saturation-temperature logic triggers pump-down via electronic expansion valve to preve

See how stored reference ratios enable accurate volume flow calculation and pressure control wh

When a usage-side leak is detected, the valve closes and a fusible plug vents refrigerant outside to prevent indoor accumulation.

See how a below-deck vent assembly with fluid-tight closure and damper prevents downflooding wh

See how an EEV and refrigerant vessel with feedback sensors dynamically control vapor diversion

See how intelligent thermostats assess thermal mass and user preferences to shift cooling energ

See how four independently rotating discharge vanes create a whirlwind effect to reduce tempera

Predictive control models loop thermal mass and future cooling demand to reduce chiller cycling losses, power use, and demand charges.

See how valve timing correlation with meter readings distinguishes irrigation from non-irrigati

See how built-in sensors and controllers detect airflow deviations in HVAC systems, eliminating

An inclined light guide and reflector let a refrigerator drawer front panel create layered 3D lighting while simplifying light source replacement.

See how segmented ion generator modules with universal engagement devices eliminate custom manu

See how barometric pressure sensing detects breathing patterns to determine room occupancy, ena

See how an air conditioner adjusts indoor fan operation based on refrigerant flammability detec

See how an air-conditioner unit integrates condensate filtration with purging state control to

See how selective filtration and differential sensor readings overcome electrochemical cross-se

See how a carousel screen interface resolves HVAC controller navigation complexity through rota

See how an on-demand system uses sensor data and actuators to autonomously regulate environment

Parallel compressor stages and a heat exchanger raise refrigerant gas flow and temperature for effective defrosting in larger refrigeration systems.

See how integrating small cell radios into window AC units solves attachment, power, and backha

See how segmented outdoor heat exchangers enable sequential defrosting while maintaining heatin

See how preliminary imaging during component rest periods ensures sufficient power supply to mo

See how a multi-unit air conditioner boosts compressor speed beyond normal limits and preheats

See how positioning a gas sensor below the heat exchanger prevents false refrigerant leak alarm

See how LED modules with reflective surfaces and lenses direct light beams to upper and lower s

See how segmented compressor suction ports prevent refrigerant mixing across temperature zones,

See how a terminal device collects user position and felt air conditioning state to enable pers

See how passive one-way valves ensure counter-flow in thermosiphon heat exchangers for supercon

See how sensor-driven filter selection and predictive modeling optimize indoor air quality whil

See how a motor-driven push rod and sensor system enable automatic refrigerator door opening wh

See how flow passage switching during compressor operation accelerates refrigerant recovery fro

See how a motorized fan creates negative pressure to open adjustable dampers in sealed conduits

See how a gas-filled trap portion in indoor-side pipes suppresses refrigerant flow to stopped u

See how a cable-driven actuation rod and curved louver blade direct cool air along the ceiling,

A light guide plate uses birefringent fibers to separate polarized light and redirect it for efficient emission.

A three-wavelength LED area light source uses segmented refractive indices to distribute light uniformly across a liquid crystal display panel.

Linear defective portions in a photonic crystal substrate direct light to distinct angles, enabling separate images for drivers and passengers.

A rear lamp apparatus uses a light filter to reflect specific wavelengths while transmitting others for external visibility.

Segmented microstructures with specific conic constants increase brightness difference between bright and dark states.

A co-extruded light-guide apparatus merges reflective and guiding layers to enhance optical efficiency.

Independent spring and motor locking mechanisms reduce energy consumption and mechanical wear in dual-axis indexing heads.

Stacked light guide plates use dichroic surfaces to direct optical input light for augmented reality displays.

A rotary electronic candle replaces combustion hazards with an LED system that rotates a hemispherical cover to create safe, stereoscopic lighting effects.

A staging ball houses internal light and sound units to deliver synchronized sensory feedback upon user interaction.

A casing with a stepped through-hole aligns a ferrule and light-emitting element, eliminating complex internal alignment structures.

Bent optical fibers redirect light from axisymmetric emitter groups through lenses, overcoming geometric constraints in compact devices.

Segmented and nested light guide units eliminate shadow areas to produce a complete closed curve lighting image for automobile lamps.

Uniform airflow through an elongated slot exhausts particles from moving mechanisms, preventing backflow contamination in semiconductor fabrication facilities.

Concave portions on the guide wall allow naked-eye detection of LED alignment errors, preventing light leakage in thin LCD devices.

A thermoplastic resin molded body uses a core clad layer structure to guide light, preventing luminescent color yellowing at distal locations.

Light guide plate redistributes LED light via refraction and reflection, eliminating spot lighting while maintaining uniform brightness.

Ladder-like frame with perpendicular convex portions reduces width and thickness while enhancing adhesion to prevent separation.

A display device housing uses fitted projected portions to seal substrate openings.

Nested removable cover provides visual appeal without obstructing steering control or grip operation.

A watertight underwater lighting assembly uses low-voltage LEDs and a remote controller to provide customizable illumination.

A vehicle lighting fixture uses a light guiding lens with random prism cuts to reflect light and achieve uniform luminance distribution.

A bicycle shifting control apparatus manages power distribution between front and rear gear shifting devices using a dedicated sensor.

Corrugated Fresnel lenses concentrate Lambertian LED light, resolving the trade-off between device simplicity and insufficient luminance in endoscopic imaging.

A curved light guide plate wraps a holder to redirect light uniformly across the display panel surface.

A light pipe connection unit integrates adjacent guide units via interference suppression holes that reflect stray light through total internal reflection.

Wedge-shaped bosses on a light guide member combine reflection and scattering to eliminate dark spots and improve warning visibility.

An electric field on a thin film layer orders quantum dots to boost light conversion efficiency and reduce energy consumption in display devices.

An intermediary coupling member stabilizes optical axis positioning between a light guide plate and LED substrate, preventing breakage in thinner apparatuses.

Spatially varying optical densities in a patterned layer compensate for local white point deviations to achieve uniform light distribution.

A slanted grating causes destructive interference of ambient light, reducing rainbow artifacts in waveguide displays.

Stationary primary windings eliminate flexing wear on electrical connections, ensuring reliable power transfer during continuous rotation.

A directional backlight uses patterned gratings to control light direction and angular spread.

A light guiding member features a concave-convex pattern with inward-facing convex portions to direct emitted light.

Segmented compartments allow maintenance of control components without removing the luminaire from its mounting surface, resolving accessibility trade-offs.

Front panels for display devices use polarizing plates to align optical characteristics, resolving color non-uniformity in the non-display region.

Networked scent diffuser synchronizes fragrance release with audio playback through a central controller interface.

A light guide film with recessed back-face portions scatters incident rays toward the front face for uniform emission.

Segmented optical layers with tailored dot patterns suppress brightness unevenness caused by positional deviations in backlight assemblies.

Offset light sources from waveguide openings to prevent thermal contact damage that reduces backlight module service life.

Dual eccentrics align wing spacing and lateral orientation, eliminating the need for a separate handle component during operation.

Grooves and inverse prism patterns in the light guide plate enable local dimming while eliminating hot spots without adding diffusion sheets.

Segmented waveguides and color filters route specific light wavelengths to eliminate optical crosstalk in augmented reality displays.

Guide rollers in a rotary transmitter route lines tension-free, preventing mechanical stress and knotting during rotation.

Nanocrystal conversion layers paired with moisture barrier films resolve the trade-off between cost competitiveness and color purity in LCD backlight units.

Asymmetrical triangular prism sequences reduce contact area with reflective sheets in side-edge type surface-emission optical apparatuses.

An adhesive seal and elastic tongues hide fixing elements, resolving the trade-off between aesthetic appearance and maintenance accessibility.

A luminous device uses a light-absorbing peripheral face to eliminate ghost images in automotive holographic 3D lighting systems.

Segmented fixing mechanisms allow light guide plate units to be replaced without discarding the entire device, resolving alignment and complexity trade-offs.