Elevators TRIZ Cases

A generative AI model produces step-by-step service solution data and 3-D animations to guide mechanics through component repairs.

A drive motor outputs intermittent detection torques to inspect elevator braking force.

A pivotable support pulley arrangement guides the counterweight along an inwardly shifted plane to optimize space usage.

A controller adjusts elevator cage weight limits based on robot presence detection.

Dynamic shields move with traction ropes to maintain safety clearance, resolving the trade-off between reliability and device complexity.

Horizontal grooves in a support plate enable lateral displacement of the friction wedge, eliminating bulky rods to reduce space requirements.

Pivotable support structures retract heavy platforms to minimize storage volume while enabling safe shaft wall access during maintenance.

Segmented brake elements allow independent positioning via a control plate, resolving adaptability issues in elevator safety gear systems.

A segmented elevator control device uses independent short-circuit circuits to manage hoist motor braking torque.

An elevator operation management system acquires user data and destination information to estimate per-floor passenger counts for external integration.

An elevator support monitoring device compares tensile carrier resistances in a measuring bridge, excluding environmental measurement errors.

A control unit measures elevator car speed to verify seal star function normalcy using existing safety circuit components.

Segmented curved contact areas shift bending stress to a static zone, reducing wear while maintaining low vertical height.

Coupling elevator fall protection catches via combs activates redundant braking mechanisms to handle heavier loads without structural failure.

An adapter links elevator controllers to multiple data processing devices using a transmission selector that automatically establishes connections.

Segmenting evacuation into legs via intermediate floors reduces round-trip time.

Cross-referencing first and second type sensors prevents false elevator landing calls, reducing unnecessary dispatches and minimizing passenger waiting times.

An external member spans an open elevator car panel to prevent falls, resolving safety risks during maintenance access.

Evacuation operation mode request switch enables continuous elevator car movement between rescue and evacuation floors.

Elevator control system registers destination calls via voice input while the car moves.

A hoisting machine produces torque impulses to detach a stuck elevator car or counterweight from safety gear components.

Magnetic levitation skids center elevator cabins to eliminate friction from uneven loads.

Mirror reflection enables single-camera imaging of the entire elevator rope circumference, resolving installation gaps and adjustment complexity.

Segmented conductive load bearing members enable automatic damage location along the entire rope length, overcoming detection limits and reducing downtime.

A movable rope suspension point adjusts hoisting geometry to release trapped elevator cars from guide rail locks.

A hybrid elevator call input device integrates a physical switch into the touchscreen housing to provide tactile feedback for visually impaired passengers.

Wall-mounted drives and deflecting rollers route traction means through acute angles, reducing component complexity in high-rise shafts.

An elevator control system models expected passenger calls using historical batch journey data to optimize allocation decisions.

A data acquisition device monitors elevator door control signals through existing serial interfaces to detect opening operation faults.

A car operating panel uses a decimal keyboard and door selection button to enable passenger-driven door choice.

A portable test lever reduces setup complexity by using a bearing pivot to lower friction between load and force arms.

LiDAR scanning generates point cloud data to detect personnel presence, reducing false positives in elevator pit safety systems.

A wedge-shaped brake block slides on an inclined receptacle to modulate friction against guide rails.

Non-parallel compressible bumpers absorb impact energy from lateral rope movement to prevent structural contact during building drift.

A control unit polls elevator hoistway door safety units based on their position relative to the moving car.

A learning mechanism automatically detects and stores the initial interval between elevator cars to streamline installation.

Progressive braking systems arrest upward movement through multiple clearance levels, resolving manual locking complexity in shallow elevator shafts.

An elevator guide device elastically mounts to a holder, accommodating lateral track deviations while maintaining rigid coupling to the braking carrier.

Bi-stable sensors traveling with the elevator car generate a gray code zone code, eliminating false clocking signals caused by system noise.

Adjustable textile-coated rail guides reduce cabin noise and vibration while lowering guide system weight for pneumatic vacuum elevators.

Thermoplastic polyurethane elastomers cushion fine steel filaments, reducing pressure between the cord and sheave while extending operational lifetime.

A deterrent system inhibition key disables elevator door locks for maintenance access.

Positioning a universal lifting device between the buffer and counterweight standardizes construction while maintaining safe clearance for technicians.

Vibration sensors determine elevator car position using characteristic signatures, resolving tracking inaccuracies during power failures.

Control module prioritizes intermediate stops based on disaster severity to reduce total evacuation time.

Extracting the machine room outside the hoistway reduces construction costs and simplifies operations for higher traveling heights.

Regenerative operation interface transfers electric power between elevator drive systems, enabling rapid rescue movement without expensive backup equipment.

A hybrid elevator positioning system combines inertial measurement unit acceleration data with encoder position readings to estimate landing accuracy.

Mechanical coupling via synchronous shafts synchronizes asynchronous motors, reducing drive wear caused by uneven load distribution in the lift car.