Elevators TRIZ Cases

A Hall Effect sensor measures magnet assembly gaps to synchronize braking surface deployment across elevator guide rails.

A safety link uses a pulley and actuation wire to amplify governor rope movement for faster elevator car response.

An elevator control unit relocates to the shaft to resolve space constraints and aesthetic issues at access doors.

Integrated electronics housing with movable sidewalls provides landing-side access to control components, eliminating hoistway entry requirements.

An electromagnet actuator rotates a pivoting member to trigger the governor component, dispersing impact force through surface contact.

Sensor-based detection identifies passenger volume and weight to dispatch multiple elevator cars, reducing wait times during peak periods.

A lower support device with a guide portion moves along the elevator guide rail to apply tension to the conductive line.

Floor call stations transmit wireless elevator requests to car controllers for immediate visual and audible operator feedback.

A dynamic compensation control system monitors elevator motion states to minimize oscillations and vibrations during operation.

A dynamic elevator route selector presents multiple travel options with estimated arrival times to users via an interactive display.

An automatic rescue system analyzes elevator safety signals to execute restricted or normal operation modes.

Segmented tension members distribute forces to lower drive torque and extend service life.

Curved supporting columns guide the passenger space to reduce vibration and occupy minimal stairway space.

A braking device uses motor counter-electromotive force to energize a clutch, disengaging the system during operation.

A control unit determines energy consumption values for elevator journeys between floors and adjusts travel direction to minimize usage.

A sub-safety chain deenergizes the drive system via relays to prevent unintended elevator car movement during maintenance.

A control device uses door and occupant sensors to automatically manage elevator cab accessories.

An asymmetric compensating member connects one beam to the counterweight, canceling upward rope loads to reduce car lower portion strength requirements.

Predicts passenger destinations to group riders and assign elevator cars, reducing floor stops and waiting time.

Dynamic processing circuits adjust bypass switch conduction states to prevent sudden stops when hall doors open abnormally.

Elevator controller reduces appliance power during idle periods while maintaining readiness for immediate passenger use.

Radial sliding members lock the mandrel sleeve to prevent retraction after impact in elevator governor assemblies.

A controller actuates door interlocks to detect lock switch malfunctions within elevator safety chains.

Acute wedge-shaped ribs on a hard polymer surface maintain stable friction bandwidth and prevent twist in elevator ropes.

A bus-based elevator safety system detects temporary participant connections to enable specific operating modes.

A load sensor measures bending deformation of a common axle between deflecting rollers to determine useful car weight.

Engine braking reduces high deceleration forces and braking distance by maintaining electromagnetic torque before service brake engagement.

Dynamic pressing force regulation stabilizes braking force fluctuations and deceleration rates while reducing elevator safety device weight.

A flexible rope connects elevator shaft stoppers to landing doors for remote activation.

Optical sensors replace mechanical contacts to prevent stage damage during permanent installation while enabling quick height calibration.

Fault detection unit measures complex electrical impedance of elevator ropes to identify structural damage.

Elevator control system confirms maintenance steps using dynamic interaction signatures, preventing technician deception and ensuring safety.

Interface device displays allocated elevator information to passengers via existing panels, reducing unnecessary calls during rush hours.

A movable flap on an elevator side wall conceals a telescopic ladder stored behind it for passenger evacuation.

An elevator access system switches between personal and anonymous modes based on identification data.

A mechanically actuated electric lock indicator switch confirms elevator door closure and locking status using a single component.

A control system recognizes elevator component identification numbers to activate specific functions.

A media content delivery system synchronizes unit selection with predicted elevator wait times.

A recirculating elevator drive assembly uses wheels engaging opposing rail surfaces to support and move the car vertically.

A group management control device assigns elevator cars by calculating arrival times based on predicted load changes.

Polyurethane resin with friction stabilizer maintains stable coefficient for elevator ropes despite temperature or velocity changes.

Real-time sensor data detects component wear deviations, enabling the system to adjust motion parameters and extend service life without shutdown.

An automated scanning system mounted on an elevator car reads RFID markers to compile conformity reports, reducing manual inspection time and safety risks.

Group management control unit assigns passengers to specific cars via display units, resolving confusion when multiple vehicles arrive simultaneously.

Dynamic position selection prevents robotic passengers from obstructing human traffic when pre-set waiting spots are occupied.

A sensor assembly uses a tooling interface on its mounting bracket to enable precise and repeatable installation positioning.

Resisting force on activating lever prevents false triggering from brake deceleration, enabling shorter hoistway pit depth.

A monitoring device applies modified electric voltages to suspension cords to verify its own detection accuracy.

Wind detectors measure hoistway conditions to trigger control system adjustments that reduce rope sway and prevent component damage during high winds.

Extruded curved structures on guide rail pillars eliminate wheel vibration and reduce friction during vertical cabin travel.