Railway Transport TRIZ Cases
- Rail Vehicle Skin Laser Welding Distortion Control
Segmented metal sheet with thickened connection zones enables laser welding of rail vehicle outer skins, eliminating distortion and costly grinding steps.
- Railroad Well Car Open Truss Sides Weight Reduction
Open truss sides replace solid sheets on railroad well cars to lower structural mass and boost payload capacity.
- Composite Rope Pulley Insert Ring Friction and Wear
A composite pulley insert ring combines an elastic carrier with hard elements to reduce friction while extending service life.
- Vehicle Underfloor Support System with Extendable Rails
Nested extendable rails pull a component out of the underfloor area, reducing system complexity and injury risk during replacement.
- Wooden Core Sandwich Wall Segment for Railway Vehicles
A sandwich composite wall segment uses a wooden core element to provide structural stiffness and thermal insulation within railway vehicle exterior panels.
- Deflectable Fastening Device for Rail Vehicle Cladding
Elastic deflection of the fastening mechanism dissipates explosion pressure, preventing permanent panel damage and maintaining the strict loading gauge.
- Asymmetric Vehicle Recess Flow Separation Edge Design
Asymmetric recess geometry guides shear layer smoothly to reduce drag and noise in bidirectional operation.
- Railway Switching Enclosure Air Renewal Cooling
Patsnap Eureka TRIZ case: air renewal system prevents condensation and electric arcs in insulated railway switching enclosures.
- Tri-mode Locomotive Engine Control for Fuel Savings
A tri-mode locomotive controller manages power distribution between paired units to optimize prime mover operation.
- Railway Wagon Side Wall Internal Stake Structure
Internal stake design reconfigures railway wagon side walls to maximize cargo volume without changing external dimensions.
- Rolling Stock Side Post Joint Structure for Underframe
Joint members connect inclined side posts to Z-shaped side beams, suppressing deformation of the car body structure under external forces.
- Curved Rail Vehicle Adapter Frame for Flat Window Installation
An adapter frame matches the outer skin curvature to accept flat panes, reducing manufacturing costs while preserving aerodynamic drag.
- Railway Carriage Transport Containers for Friction Reduction
Segmented transport containers reduce friction and energy loss during rail-bound material conveyance.
- Compact Toilet Water System Vacuum Transfer
A compact toilet water system uses an intermediate tank with selective vacuum means to move gray water for reuse.
- Adaptable Rail Vehicle Transport Zones for Freight and Passenger Switching
A rail vehicle with adaptable transport zones switches between passenger and freight configurations using autonomous robots and conveyor belts.
- Fuel Mixture Ratio Optimization for Dual-Fuel Vehicle Cost Reduction
Dynamic fuel blending adjusts diesel and alternative fuel proportions based on real-time pricing data to lower total mission costs.