Electric Locomotives TRIZ Cases

See how a pivoting axle support and actuator system shifts load from idler to driven wheelsets

A tilted SiC trench MOSFET with alternating p/n super junction regions cuts on-resistance while protecting breakdown voltage and reliability.

Inclined cooling passages and heat-dissipation plates cool the wheel and tire, reducing aging and particle generation in clean rooms.

A roof-box replaceable fuel cell power unit improves railway air supply, protects against external hazards, and simplifies crane-based maintenance.

By moving the replaceable fuel cell power unit into a roof box, the case improves air intake, reduces turbulence, and simplifies railway maintenance.

A fuel cell supplies base load while buffered storage covers peak rail-treatment demand, reducing battery stress and external power dependence.

A shared refrigeration circuit splits coolant across multiple battery containers, cutting chiller count, space use, and cost while maintaining temperature control.

Suspension feet with dampers, safety links, and telemetry reduce shock and seismic motion on battery racks to protect cells and electronics.

A roof-mounted insulated stud links internal locomotive batteries to external charging rails with sealed, weather-resistant power transfer.

An independently driven fan cools a traction motor inside the bogie frame, cutting installation space, noise, and mechanical losses.

A pressure-activated safety fitting vents runaway gases from a rail battery container, then reseals to limit fire spread and re-ignition.

A torsion spring bearing lets a pantograph rocker transmit torque and absorb dynamic loads while reducing wear, complexity, and overload risk.

A grid-rail service vehicle lifts and transports broken container handling vehicles for on-site servicing or repair-station transfer with less downtime.

A multi-wheel service platform lifts and transports failed grid robots on storage rails, cutting manual recovery time and disruption.

A reversible charger links medium- and low-voltage battery networks to power rail auxiliaries efficiently and preserve off-grid operation.

Traction force is varied across vehicle carriages to balance independent battery capacities, reducing outage risk and stabilizing operation.

A movable transformer mount shifts the locomotive center of gravity during maintenance, avoiding ballast weight and costly lightweight redesign.

A locking spring holds the current collector slider at end positions, reducing actuator wear while maintaining reliable positioning under load.

A reversible charger and dual-voltage supply let railway auxiliaries use external power or Li-ion storage with lower operating cost.

A vertical airflow path and finned side plate cool railcar storage batteries by natural convection, avoiding fan maintenance and dust filters.

An enclosed grid-running platform lifts and transports failed container handling vehicles for faster servicing with less manual handling.

A single motor alternates between gondola travel and lifting, cutting module size and cost while enabling safe, precise loading alignment.

A dual-mode electric machine replaces separate motor-generator units, cutting weight and space while enabling overhead line, diesel, and hybrid rail operation.

Relocating high-voltage equipment from roof to cabinet lets one locomotive platform fit networks with different height gauges.

A flexible sheath and spring unit protect the gas transmission line as vehicle and trailer move, preventing damage and leakage during rail operation.

A rail moving device guides and aligns varied aircraft landing gear for controlled transfer through limited vertiport spaces.

Large gas-energy storage can exceed rail vehicle space; a tender and flexible jacket transfer energy while accommodating movement.

Symmetric capture elements enable bidirectional recharging and operational redundancy, reducing infrastructure length while maintaining adaptability.

Reversible axial fans clear clogging debris by reversing airflow direction, maintaining cooling performance in railway drive motors.

Softer protective material in the radial air gap absorbs impact energy when motor fastening fails, preventing rotor damage to the wheelset shaft.

Variable pitch heat radiation fins equalize semiconductor temperatures in a lightweight traction converter cooler.

A self-driving steel coil transport vehicle uses active bogie steering to navigate curves and straight paths within metallurgical plants.

A switching valve directs compressed air from a battery-operated compressor to an auxiliary air tank, enabling vehicle upgrades without a separate unit.