Railway Roofs TRIZ Cases
- FRP Roof Segments for Rail Carriage Bodies
Composite roof segments replace steel profiles with a fiber-reinforced plastic and foam core design, eliminating welding distortion and corrosion risks.
- Planar Web Corrugation Bellows for Articulated Vehicle Air Resistance Reduction
Replacing arched webs with rigid planar surfaces minimizes air resistance on articulated vehicles by eliminating turbulence-generating curvature.
- Rail Vehicle Bow Wall Automatic Welding via Recessed Z-Profile Joints
Recessed Z-profile joints allow automatic welding of rail vehicle bow walls, eliminating cavities for complete rust protection.
- Rail Vehicle Air Duct System With Deformable Membrane
A rail vehicle air duct system uses a deformable membrane to regulate airflow between heating and cooling channels.
- Sheet Metal Plate With Folded Edge For Non-Welded Screw Attachment
A sheet metal plate uses a folded edge part to mechanically hold a screw head without welding.