Mechanical Apparatus TRIZ Cases

See how a dual-compressor system with flash tank separation and shared heat exchangers enables

See how a mobile air purifier uses 360-degree horizontal and vertical rotation to adjust intake

See how precision air devices with occupancy sensors and directional nozzles deliver conditione

See how distributed monitoring and purification units with automated control reduce urban air p

See how a flexible-duct air treatment device creates localized negative pressure, traps contami

A relay-style remote propagates one operation signal across multiple air conditioners, cutting the time and effort of separate setting changes.

See how integrating building automation, security, fire safety, and energy management into a un

See how category-based priority assignment and sequential utterance control ensure high-priorit

See how a flexible thermal conductor transfers heat from existing sources to drainage tubes, pr

See how a gas actuator and sensor accumulate VOC readings over time, compare them to injury thr

See how electronic connectors and seal verification prevent faulty filter installations and com

See how an internal storage device in the cooling circuit stores and releases thermal energy, e

See how a damper-actuated variable flow adapter switches between nozzle and open configurations

See how dual-threshold monitoring detects gas sensor degradation from siloxane exposure before

See how position-based classification of thermal sensor data using machine learning reduces err

See how temperature-difference monitoring and dynamic flow regulation minimize energy waste in

See how electrically charged alkaline liquid drops achieve 99.6% aerosol removal while destroyi

See how a thermal energy storage device integrated between condenser and evaporator shifts cool

See how Wi-Fi channel state analysis detects occupancy without dedicated sensors, reducing HVAC

See how a portable device with physical read/write switches reduces HVACR setup time and config

See how dynamic fan-off delay control uses real-time temperature differential feedback to recov

See how multi-sensor climate monitoring improves pedestrian comfort and reduces water waste in

See how mounting the pressure transmitter on the pivot axis end eliminates hygiene-risk hoses a

See how dynamic valve sequencing matches refrigerant distribution to heat exchanger capability

See how controlled air circulation and pressurization suppress external air inflow during sampl

See how wireless identification and association information enable adaptive control of air cond

See how a dual-passage internal heat exchanger maintains low vapor quality to improve refrigera

See how coil temperature feedback replaces intake air sensing to prevent premature compressor f

Magnetic arrays move scan probes across sealed air filters, enabling testing and sampling without opening the air passageway.

Fault timelines and parent-child equipment views help building operators detect interconnected device faults and diagnose root causes faster.

Weather-forecast-based speed control aligns low compressor operation with peak temperature periods to cut air-conditioning energy use.

See how an air quality scoring system aggregates diverse monitoring data, simulates pollution m

See how a configurable device operates as both thermostat and sensor, enabling dynamic setpoint

See how a bumpless control unit calculates frequency compensation based on indoor load to preve

See how independent discharge rate control in air cleaning mode enables noise reduction and eff

See how a controller adjusts expansion device resistance in real-time based on compressor capac

See how a rotatable ring interface with visual feedback resolves the contradiction between prog

See how multiple expansion orifices with flow control valves maintain refrigerant expansion per

See how an agent detection system leverages existing HVAC controls to alter temperature, humidi

Dew point and evaporator coil temperature are used to calculate frost rate, cutting unnecessary heat pump defrost cycles and energy waste.

See how valve-controlled hot gas paths supply high-temperature refrigerant directly to the evap

See how combining space sensors with boundary sensors and analyzing signal falling edges reduce

A two-stage refrigerant pressure drop moves noisy two-phase expansion out of the indoor unit to cut air conditioner noise.

Fan operation follows the refrigerant concentration trend, stopping after leakage ends to save energy and avoid use of degraded detectors.

See how unremovable connection of refrigerant sensors to the control board prevents reuse of co

See how adaptive estimation models switch based on refrigerant piping and intake temperatures t

See how a networked light switch receives real-time electricity price data and adjusts lighting

See how dual gas bypass pipes and opening/closing devices optimize refrigerant distribution to

See how a control device uses microphone-based audio acknowledgment signals to reliably determi

See how an air conditioner detects outdoor heat exchanger frost using rotation-speed command vo

A dual-flux lighting device uses optical diffusers to deliver homogeneous illumination across multiple fibers.

Voltage-controlled electroactive polymer wires reshape optical patterns to distribute light evenly across display panels.

An interactive tool storage system uses sensor detection to monitor user interactions and control connected devices.

Optical sheets mask scratches on the light guide plate by creating an optical distance, reducing power consumption and improving uniformity.

Inverting the color filter and array substrates prevents yellow spots and stress marks during bonding, enabling thinner panels without brightness loss.

Radial expansion of a spring-loaded heating element ensures uniform heat distribution and universal compatibility across various handlebar sizes.

Reflecting image beams via a light control element simplifies assembly alignment and improves light energy utilization efficiency.

A barrier film protects wavelength conversion particles from moisture and hydrogen while a detachable film simplifies bonding operations.

L-shaped planar optical elements redirect stray light from unlensed LEDs through refraction, eliminating hot spots and glare in display cases.

Optoelectronic assemblies utilize optical engines and compressible interposers to establish reliable electrical connections.

Interchangeable faceplates and reflective materials boost low-light visibility without adding structural complexity.

Pre-mounted LED strips attach to universal edge plates, preventing positional displacement from vibration while maintaining alignment.

Total internal reflection waveguides route multi-wavelength light to one sensor, reducing device space and mechanical alignment constraints.

Integrated electrodes on a light guide plate act as heat spreaders, eliminating dedicated PCBs and reducing device thickness.

Embedding control electronics into the visor structure eliminates separate modules, reducing assembly complexity while providing uniform lighting.

Opposite circular polarization directions synchronize diffraction angles, eliminating crosstalk and double images in augmented reality displays.

Bottom chassis recesses hold a light absorbing member to reduce leakage and improve luminance uniformity.

Alternating lens patterns on a light guide plate refract light to solve low emission efficiency from flat surfaces.

A planar illumination device uses a pressing unit to secure the circuit board mounted portion against the frame side wall.

A backlight module uses a light-outputting sheet with distinct regions to guide light through a glass substrate.

A display system uses a connecting mechanism to adjust relative positions and angles between two panels for flexible configuration.

A curved light guide uses position-dependent outcoupling gratings to decouple light bundles for display imaging.

Angled bending areas in the joint reduce sensitivity to disruptive forces while maintaining high transmission ratios.

Integrating a light guide and phosphor layer eliminates separate optical systems, reducing projector size while maintaining high white light quality.

Excitation grating directs radiation from a carrier to illuminate a target area, eliminating complex washing steps and precise alignment requirements.

Oriented gratings route wavelengths to sub-pixels, enabling color mode without brightness loss from absorption.

Sequential illumination minimizes background noise from scattered light, maximizing the signal-to-noise ratio for gaze tracking.

A light emitting module merges the mounting substrate and diffusion plate into a single light guide structure.

A multi-stage optical waveguide system directs light through aligned coupling portions and an air gap to achieve uniform illumination.

Segmented optical film uses prisms to concentrate light and microstructures to deflect rays, resolving the trade-off between uniformity and directivity.

External photovoltaic panels on a triangular pole connect via inverters to distribute uniform power across phases, preventing voltage fluctuations.

Heat-treated alloy steel rotor increases energy density, while an off-loading electromagnet extends conventional bearing life.

A surface light source device uses a graded refractive index in its light guide plate to control light extraction angles.

A fluorescence surgery illumination device uses a glass rod and mixing rod to homogenize white and excitation light.

Strategic multi-layer illumination prevents shadow areas from rotating hands, enabling high-quality hybrid analog-digital displays in compact wearable devices.

A control unit calculates air parameters for rooms without local sensors using central and adjacent measurements to adjust discharge valves.

A thin-film lithium niobate optical waveguide positions electrodes on stepped buffer layer surfaces to minimize scattering loss.

A backlight module uses a graphitic carbon heat radiation layer to absorb thermal energy from the light plate.

A multifunction LED lighting device uses reconfigurable optical compartments to assemble diverse lighting distributions from identical modules.

A remote controlled actuator manipulates tool orientation via a flexible member within a guide hole.

Diffraction gratings modulate optical fields within a prism, while semi-reflecting surfaces control reflection ratios to reduce pupil banding.

Thermal expansion microstructures fill gaps between the light guide plate and top plate to prevent light leakage.

A backlight unit uses a dichroic filter to reflect blue light and prevent leakage through the light guide member.

Control device stops indoor fan and opens expansion valve to prevent refrigerant accumulation during heating stop states.

A colored hair ornament uses light-transmissive filaments with alternating cationic and anionic polymer coatings to create customizable color patterns.

A bicycle handlebar grip uses a through-bolt to secure the assembly, eliminating exposed fasteners that interfere with rider operation.

A Bragg grating couples multiple wavelengths into one waveguide, reducing device complexity and weight in artificial reality systems.

A flexible shaft transmits rotational motion to adjust conveyor guide wall positions with high precision.

Replacing bulky polarization beam splitters with a holographic optical element improves light efficiency while reducing device size.

Merging camera, motion sensor, and light emitter into one pathway fixture reduces installation complexity while enabling real-time facial recognition alerts.