Buffer Cars TRIZ Cases

A nested cutting tool inside a furrow-guided sleeve extends crash energy absorption path and time without needing extra vehicle space.

A hydraulic damping plug and return piston smooth rail collision deceleration while enabling repeated energy absorption after impact.

A reversible buffer handles normal impacts, while stepped cutting absorbs excess loads to improve durability across varying impact magnitudes.

A reversible buffer handles minor impacts while cutting absorbs overloads, improving durability and stabilizing impact absorption.

Rotating bodies built into the axial bearing restore rail coupling shafts to center while cutting installation space, wear, and component count.

Radar and imaging data adjust train coupler impact force so collision energy is absorbed more evenly across vehicles, reducing localized damage.

Relative rotation in an integrated thrust bearing restores coupling shaft centering while cutting space, weight, and component count.

An adjustable bolt, sleeve, and spacer connection secures a rail vehicle end mask despite assembly tolerances and limited access, without glue.

A partition-wall energy absorber and shearing coupler raise rail vehicle crash safety to 36 km/h without heavier bodies or platform changes.

Controlled crushable zones along vertical railway posts absorb collision energy, limiting post deformation and protecting the driver's cab.

Pre-tensioned steel compression elements absorb collision energy in stages, reducing peak loads and improving train coupler stroke use.

A pull-push structure links pre-deformed buckling plates to distribute off-center loads and maintain uniform deformation.

Intersecting rib formations on the baffle plate prevent lateral sliding during collisions, optimizing energy absorption capacity.

Deformable rail vehicle front end absorbs collision energy via a breakable mechanical fuse, enabling safe low-speed pushing without manual coupling.

A fiber-reinforced resin railcar absorber uses a held front plate to prevent buckling, ensuring adequate fiber destruction for stable energy absorption.

Segmented underframe zones absorb collision energy via plastic deformation while preventing high initial collapse loads from reaching the passenger compartment.

Windshield washer device moves with a crash element to absorb collision energy and prevent damage.

A rail anti-climbing device uses a flange-mounted vertical stop to block vehicle climbing during collisions.

A profiled tubular box incorporates a sliding guide element that prevents lateral divergence, ensuring reliable energy absorption under eccentric loads.

Segmented steel bolster subassemblies transfer traction forces to tubular shells, limiting deformation during collisions.

A segmented driver desk structure absorbs collision energy through controlled deformation of a front framework while maintaining cabin integrity.

Intermediate coupling members with lower longitudinal stiffness absorb corner post deformation to suppress side outside plate distortion during crashes.

A rail vehicle support unit merges the underframe with a track reamer holder to reduce structural weight.

A rail vehicle coupling retracts into a rigid support structure to isolate the mechanism from collision forces.

Dynamic crash absorbers resolve the conflict between safety and compact coupling by moving away from the connection zone.

A rail vehicle hinge stop element routes direct force transmission between base plates during severe impact events.

Segmented beam members and coupling elements absorb impact loads to prevent passenger room deformation.

Segmented guide bars and deformable blocks reduce device mass while maintaining shock absorption reliability.

Segmenting the impact absorber into a grooved main body and separate ribs resolves shape freedom versus assembly complexity.

Inverting the overlap so corner post covers side outside plate prevents hooking and peeling during offset collisions.

Segmented polygonal rail absorber directs impact load radially to lower peak crushing forces and relieve passenger shock.