Connecting Rod Bearings TRIZ Cases

An offset housing, retained ball, and misalignment spacers increase steering articulation clearance while improving off-road joint strength and wear resistance.

A continuous-fiber thermoplastic loop around the bearing boosts rod end load capacity while keeping weight low for aerospace use.

An asymmetrical I-beam shank redistributes offset crankshaft bending loads to maintain bore clearance, reduce scuffing, and improve durability.

Different shell eccentricities and matched wall thicknesses cut peak oil film pressure and seizure risk in reciprocating engine bearings.

A resin-based cover layer balances thermal expansion in split crankshaft bearings to close housing gaps and maintain engine oil supply.

Different cover-layer thicknesses in split crankshaft bearings offset housing rigidity and thermal expansion mismatch to cut oil leakage and preserve supply.

Guide spacers on the wrist pin keep the connecting rod aligned, reduce metal-to-metal wear, and extend life in oil-less assemblies.

A coaxial bearing layout supports the output shaft near its end to cut friction, reduce tilting, and relax tolerance chains in robotic actuators.

A relief groove or flange makes the journal bearing edge more compliant, shifting peak stress inward and reducing wear at lower cost.

A press-fit boss cover protects aircraft hinge bearings during assembly and maintenance, avoiding extra fasteners and reducing replacement time.

Pocket recesses in a one-piece bearing cage cut rolling-body contact and hold lubricant to reduce friction and leakage at high speed.

A single-slot housing retains more metal around the truncated ball, improving axial load capacity and reducing wear while allowing misalignment.

A layered Fe-Cu bush structure balances creep resistance, corrosion resistance, fatigue strength, and dimensional accuracy under high load.

A layered Fe-back and Cu-Zn bearing alloy bush reduces creep under high load while improving fatigue resistance and sulfur corrosion resistance.

A connected telemetry layout keeps bearing sensing compact while reducing rotating-part interference and simplifying installation.

Radial oil grooves, circumferential grooves, and drain grooves sustain oil film pressure and remove hot oil to prevent crankshaft bearing seizure.

Submicron solid lubricant in a polyamide-imide bearing matrix improves fatigue, wear, and seizure resistance for stop-start engines.

Different half-shell eccentricities lower peak oil film pressure and seizure risk in reciprocating engine bearings while preserving stable lubrication.

A bushing-and-sleeve sliding assembly shifts wear away from the link plate and pin, improving turbocharger wastegate durability.

A rocking beam drive converts piston motion with lower side loads, cutting friction, noise, wear, and efficiency loss in Stirling machines.

Particle orientation in a resin overlay balances abrasion resistance and friction in sliding members for high-output engine loads.

Differing half-shell eccentricities and matched wall thicknesses lower peak oil film pressure and seizure risk in reciprocating engine bearings.

Flexible joints and linear bearings in a rocking beam drive reduce piston side loads, cutting noise, wear, and efficiency loss in Stirling machines.

Asymmetric locking and axial stops secure a hard metal turbocharger control rod insert despite thermal expansion mismatch and wear.

Controlled density differences in a sintered connecting rod suppress sintering warpage and keep large and small end holes parallel.

A multilayer coating with intermetallic intermediate layers boosts seizure resistance under abnormal loads without complicating bearing manufacture.

A single six o'clock slot and tuned arc ratio retain the truncated ball while preserving axial load capacity and reducing wear.

Radial grooves and recessed portions let a half bearing absorb housing deformation, reducing end-surface stress and cracking in engines.

Submicron solid lubricant particles in a polyamide-imide bearing overlay improve fatigue and wear while preserving seizure resistance in stop-start engines.

Protective rims and flared sleeve ends encapsulate shackle anti-friction coatings to prevent edge peeling, cut wear, and reduce maintenance.

A single-slot bearing retains a truncated ball while preserving metal-to-metal axial contact to reduce wear and improve load support.

Crankshaft acceleration and exhaust manifold pressure are combined to flag connecting rod bearing degradation before audible knock or engine failure.

A vibration-powered sensor in the connecting rod bearing cap sends wireless temperature data and alerts before overheating causes failure.