Connecting Rod Bearings TRIZ Cases

Closed pores near the steel-copper bonding interface absorb elastic mismatch, reducing shear failure and improving sliding member durability.

An oil storage groove in the connecting rod small end retains and feeds oil to the pinhole when oil-jet supply is intermittent at startup.

A heat-conductive coating spreads frictional heat along the shaft hole surface, suppressing temperature rise and seizure in compact bearings.

A heat-conductive coating layer spreads friction heat along the shaft hole surface, limiting temperature rise and seizure in shorter bearings.

Exposed metal concentrated at shaft-hole ends improves heat conduction in a resin-coated bearing, limiting temperature rise and seizure.

Partially exposed metal in a resin bearing coating conducts sliding heat away while preserving low friction and seizure resistance.

A circumferential oil groove improves oil distribution in engine bearing shells, lowering temperature, preserving oil film thickness, and reducing wear.

Separate microcavities on a hard anti-seize shaft coating help resist seizure, limit abrasive wear, and maintain bearing clearances.

Closed pores at the steel-copper bonding interface reduce elastic mismatch under dynamic loads, improving sliding member durability.

A projecting support guides the plain bearing shell past the bearing seat edge, reducing abrasion, jamming, and mounting force.

An elastically deformable race enables one-hand ball mount assembly while raising disassembly force to prevent accidental release.

Alternating first and second hole directions guide even initial cracks in fracture-split connecting rods, improving surface quality and fit.

Snap-fit pins replace loose screw joints in a modular stick-handling trainer, enabling fast reconfiguration with stable cross-member support.

A thin protective cover on fracture-split surfaces prevents crack particle detachment, preserving joint strength and bearing integrity.

Spring-loaded Barkhausen sensors inspect rotating crankshaft journals inside the engine, finding grinder burn, cracks, and scratches without disassembly.

Circumferential grooves inside half-bearing recesses guide oil with shaft rotation to cut turbulence, preserve pressure, and reduce friction loss.

A Bi-Sb alloy overlay with an Sb concentration gradient improves fatigue resistance, wear stability, and resistance to interlayer peeling.

An elastically deformable race enables one-handed ball-mount assembly while increasing disassembly force for more secure connector retention.

A porous bronze layer with PTFE and a load-bearing flange cuts friction and wear while improving axial load capacity and lifespan.

Grooves placed away from the crush relief help retain lubricating oil, reduce leakage, and maintain oil film thickness in half bearings.

A plastic or elastomeric support guide lets a bearing shell slide past receptacle edges, cutting abrasion and assembly force.