Elevators TRIZ Cases

Automated threshold monitoring detects elevator communication module faults quickly, reducing manual troubleshooting time and improving passenger experience.

Redundant suspension elements enable safe personnel transport on material cranes by isolating rope failures through segmented guidance.

Self-powered elevator safety actuation device uses a wind turbine to generate electricity from motion for wireless signal transmission.

Remote braking release mechanism uses pivoting movable arms to disengage elevator car brakes, eliminating hoistway entry for solenoid repairs.

A multi-stage elevator buffering device uses a telescopic push rod to adjust buffer height for maintenance access.

Unitary glass floor plates with radiused bends resolve the conflict between structural integrity and manufacturing complexity by simplifying assembly.

A brake unit calculates the effective coefficient of friction using force sensors to verify braking capacity without physical test weights.

Rotating drums and clamps release compensating wire bundles to extend jump lift height beyond 300 meters while maintaining safety.

Factory pre-assembled jointing clamps allow fast plug-in joining of elevator guide rails, eliminating time-consuming on-site alignment and heavy tool usage.

Detects wheel slippage in low friction areas via rotational speed and torque monitoring, activating brakes to prevent elevator accidents.

A device commissioning system delivers configuration files via a secure network link to enable on-site setup of passenger conveyor components.

Accelerometer detects tie down mechanism vertical movement to identify hydraulic air infiltration and reduce manual inspection time.

A frictionless safety brake actuator uses magnetic fields to trigger braking mechanisms without physical contact.

Friction-based dampers suppress resonant frequency excitation, enabling higher control gains for precise elevator positioning in high-rise roping systems.

A metal urging mechanism with a disc spring unit adjusts force on the movable element during displacement.

Detects arriving passenger volume by comparing it to maximum building population for precise elevator operation.

Embedding optical materials in elevator belts enables accurate wear monitoring, preventing premature replacements and reducing maintenance costs.

Rotatable stator beam parts align with elevator car movers to enable multi-directional movement, eliminating excessive hoisting rope loading in long shafts.

A foldable deck device extends between an elevator landing sill and a pit ladder wall to provide stable intermediate access.

A controller detects mobile devices to assign accessible elevators for passenger service.

Spring-loaded retainers engage guide rails to stop elevator cars, eliminating redundant systems and reducing mass while maintaining safety.

A conveyance apparatus determines destination probability using acceleration, velocity, and air pressure data.

Dynamic visual signs switch to flashing when the elevator stops, resolving passenger confusion about service status without adding hardware complexity.

Automated sensor monitoring of passenger moving system stopping distance enables continuous brake health assessment without manual intervention.

Protruding embedding elements foamed into the elastic buffer prevent fastening device detachment under high loads.

Vibration sensors detect tension member wear through spectral analysis, resolving measurement precision limits of resistance-based inspection.

Anti-Reset Windup feedback prevents actuator overheating while maintaining fast regulator response to position errors in lift cages.

Dual encoder diagnostic units process pulse signals independently to generate rotation detection data for cross-validation.

A contactless sensor system monitors elevator shaft door locks using active and passive optical components for real-time state detection.

Segmenting velocity measurement into multiple chirp transmissions resolves the trade-off between maximum velocity capability and resolution.

A control system dynamically adjusts elevator car load limits based on crowd reduction indicators to manage passenger capacity.

A detection system monitors pulley rotation to identify stalling conditions in elevator roping.

A damper resists vertical movement of an elevator governor tension frame to maintain position feedback accuracy.

A beam climber assembly pod constructs guide beams while riding on installed sections.

Folding maintenance supports nest in car frame recesses to reduce elevator shaft depth while maintaining safety clearances.

Transfer carriage relocates elevator cars between shafts using horizontal rails, increasing capacity without complex vertical mechanisms.

A blockchain-based elevator dispatching system verifies user calls through consensus mechanisms to enable dedicated service.

Pivoting support arms with adjustable springs compensate for transverse car movement to maintain face roller contact on narrow guide rails.

Model-based control units meter braking torque via dynamic actuation signals, eliminating intense deceleration and passenger discomfort during stops.

A control system coordinates vertical and horizontal elevator car movements using dynamic zone enabling.

A processing device directs elevator cars to destinations based on passenger group assignments stored in an internal database.

Segmented notification modules deliver real-time car assignments to reduce passenger confusion without increasing control panel complexity.

Dynamic cabin allocation across multiple shafts resolves peak load bottlenecks, reducing waiting times and energy consumption in high-rise buildings.

An elevator control system optimizes dispatch using real-time occupancy data and touch screen displays.

Automated laser displacement sensor measures hydraulic buffer compression stroke and reposition time, eliminating manual timing errors and jamming risks.

A flexible cable transmission links a drive coil to lift wedge rollers, replacing rigid mechanical linkages with adaptable tension paths.

Evaluator assesses signal combinations from safety nodes to distinguish severe malfunctions, maintaining service continuity for minor issues.

A group management system calculates evaluation values using forecasted trajectories to allocate hall calls based on dynamic weighting functions.