Rolling Contact Bearings TRIZ Cases

Part-spherical rolling elements reduce friction and prevent stick-slip effects in gyrocompass pendulum joints.

Head parts assembly routes brake cables through penetrating holes in bowl assemblies, preventing water ingress and corrosion.

A sensor bearing cable guide secures data transfer cables using adhesion and a 90-degree bend to prevent mechanical damage.

A hub-bearing unit design merges the rotor hub, inner ring, and constant velocity joint into a single tubular component to reduce weight.

A radially bent forming part on the axle housing engages the hub bearing inner race, eliminating spline coupling noise and backlash.

Cantilevered elastomeric lips form labyrinth seals within rigid annular shields to intercept contaminants in rolling bearing assemblies.

Interference fit between tubular member and housing prevents lubricant leakage without welding, simplifying assembly.

Plastic injection molding around the metal core reduces weight and eliminates complex deformation operations during assembly.

Segmenting bearings into support and damping units resolves alignment precision versus vibration suppression contradictions in eBike drive systems.

A wheel bearing cover uses a protruding circumferential surface to position drain holes for improved foreign substance discharge.

Nested adjuster and lock rings set bearing preload to resolve alignment stability versus device complexity trade-offs.

Accumulator supplies pressurized oil to bearing supports, enhancing damping capability and preventing rotor rubbing during startup.

Stationary piezoresistive sensor measures bearing force to calculate shaft torque, reducing integration complexity and cost.

An expandable resilient ring locks bearing cups in a bicycle bottom bracket, compensating for shell tolerances to maintain concentric alignment.

Multiple apertures on a rotating bearing carrier maintain lubricant delivery during impeller adjustments, eliminating maintenance disassembly.

Segmenting the fixed ring isolates sensitive material from temperature interference, improving measurement precision for vehicle safety systems.

A rolling bearing encoder cover uses a non-contact section to reduce inward radial force during assembly.

Oversize inner ring machining eliminates component categorization for accurate axial preload.

Retention members on a seal support insert engage a bearing cup to align an elastomeric seal, preventing lubricant leakage and contamination entry.

Immersed electrodes and feedback control neutralize lubricant charges, preventing White Etching Cracks in wind turbine bearings.

Intersecting grooves in the resin coating reduce contact area and suppress wear.

Non-perpendicular members in the bearing housing control stress and reduce vibrations, extending maintenance intervals.

Integrating an electric machine rotor into the wheel bearing assembly reduces installation space and weight while enabling energy recovery.

Dual load clearance measurements compensate for structural stiffness variations, ensuring accurate axial clearance and reducing shim thickness errors.

Humidity determining means generate component-specific data to adjust operational parameters and prevent corrosion in wind turbine bearings.

Spring-loaded ball bearings maintain shaft axial position in butterfly valves, preventing disk-bore contact that causes friction and gas leakage.

Axial clearance between annular piston and clutch release stop prevents plastic guide sleeve damage while maintaining reliable sealing.

An annular plate accommodates axis misalignment in planetary gears, reducing stress gradients and increasing torque density.

A seal element secures bearing rings axially and radially during transport.

Controlling the grain boundary phase width to 0.2 nm or more suppresses degradation under high temperatures, maintaining Vickers hardness at 300°C.

Specific crowning geometry at axial ends mitigates stress concentration and wear caused by local sliding.

A wheel bearing seal uses synthetic rubber lips with controlled grease viscosity to reduce sliding friction.

A concave disc end cap uses a continuously variable bottom wall thickness to distribute bending stresses across the structural component.

Segmented housing design mitigates thermal conduction and radiation to prevent lubricant breakdown in gas turbine engines.

Flexible metallic band with cut lamellae shapes into a ring to provide adjustable stiffness and damping for rotating machinery.

Angular ball bearings absorb axial tooth forces in planetary gear units, reducing friction losses while maintaining compact installation space.

Nickel-based filler material in hybrid welding prevents over-hardening and cracking in the heat affected zone, maintaining fracture toughness.

A conic-truncated sleeve portion integrates with a matching mounting seat to provide stable axial locking within the hub bearing assembly.

Optimizing the gear pitch circle diameter to rolling element spacing ratio enhances rigidity and torque transmission capacity.

A wheel hub assembly generates electrical power through electromagnetic induction between a coil and magnet during rotation.

A sensor-equipped wheel bearing assembly uses a strain generating member to amplify mechanical deformation for accurate load detection.

Grease grooves on inner rings hold lubricant to reduce stick-slip noise, while a separate cover prevents contamination during assembly.

Chamfered inner rings and composite radii suppress caulking deformation, reducing hoop stress to enhance bearing durability.