Shafts TRIZ Cases

Porous polymer saturated with oil retains lubricant in gear spaces, eliminating centrifugal loss and external seals.

Segmented stator modules with clamping rings reduce assembly time while maintaining radial load capacity.

Synthetic resin thrust bearing uses annular grooves filled with lubricating oil to maintain constant lubricant presence on sliding surfaces.

Nitrogen enrichment and induction tempering enhance rolling contact fatigue life and torsional strength.

A spring wire fluid damming ring prevents backflow, reducing manufacturing complexity and cost compared to solid steel or plastic retaining rings.

Segmented U-shaped beams in a support damper accommodate off-center rotor positions while maintaining structural stiffness.

Segmented inner ring and protrusion-groove sleeve design increases angular slewing capacity while eliminating separate axial retaining means.

Nitrogen addition compensates for reduced carbon levels, resolving the trade-off between high hardness and corrosion resistance in bearing applications.

A steering column sensor detects shaft position features to enable decoupling between driver and autonomous modes.

A synthetic resin thrust bearing uses silicone grease to reduce friction between sliding surfaces.

Segmented hermetic bushings prevent gas migration in pressurized rotating machines, eliminating the need for complex high-integrity sealing.

An integrated intermediate element merges cooling channels and damping recesses to reduce device complexity while maintaining operational stability.

Piston-guided tilting pads resolve maintenance contradictions by enabling individual pad replacement without external cranes.

Elastomeric seals deform to clamp transmission bearings against the shaft, eliminating separate clamping hardware and reducing production complexity.

Electrodynamic secondary bearings eliminate friction and wear in polluted gases, ensuring reliable operation across wide speed ranges.

Sequential scouring and nitriding improve fatigue life in martensitic bearing steel by increasing compressive residual stress.

A copper alloy sliding element with hard phases reduces friction and wear in engine applications.

Segmented bearing ring design with predetermined breaking points provides radial access to output members while maintaining guiding quality.

A shaft support assembly uses a deflector seal to shield the bearing from environmental contaminants.

Graphite-enhanced bronze bearings prevent galling and magnetite abrasion in canned motor pumps, reducing wear costs.

Dual contact angle rows decouple axial and radial loads in large bearings, reducing ring deformation and friction torque under high tilting moments.

Segmented spring finger housing and spanner nut hook define axial gaps that generate frictional forces to arrest torsional windup during fan blade out events.

Compounding thermoplastics and thermosets into fine particles for the PTFE base resolves wear resistance limits in dry-running systems.

Integrated thrust magnetic bearing uses induction machine rotating magnetic field to produce torque, eliminating bulky mechanical turning gears during startup.

A tin-based sliding layer uses preferred beta-tin grain orientation to enhance wear resistance and fatigue strength.

Axial bearing incorporates a defined wear height on the latching surface to maintain load capacity.

A fluid dynamic bearing design varies gap width axially to maintain consistent pumping direction in spindle motors.

Segmented rod sections and concave convex cavities restrict rotation angles to prevent excessive force on small-diameter bolts.

A spindle motor design uses a shaft step and stopper part to support the housing cover, enabling compact integration.

A hybrid magnetic bearing assembly combines active axial control with passive radial support to reduce system complexity.

Axial springs deform compliant pads to mitigate negative damping and enhance thrust load capacity.

Linking a closed ferromagnetic structure to the stator yoke increases inductive impedance, reducing eddy current-induced Joule losses in magnetic bearings.

A two-stage balancer shaft arrangement reduces radial size while maintaining eccentric weight.

Machined Pb-free Cu-Bi sintered alloy sliding parts expose Bi phases to stabilize friction despite machining shaving soft phases.

Alternating bias and hoop plies resolve weight reduction versus torsional rigidity trade-offs in FRP cylinders.

A bearing cage injection mold uses a single resin reservoir to store melted resin and guide reinforcing fiber orientation at weld lines.

A fluorocarbon resin bearing bush prevents layer peeling in seat reclining devices without lead.

A rotating bearing assembly integrates sealing lips between inner and outer rings to support rotation.

Thermoplastic injection into a thermoset carrier secures bearing rings, resolving dimensional instability from thermal sensitivity.

Resilient contact member eliminates radial free play between telescopic steering shaft splines, reducing vibration-induced rattle noise.

A tubular shaft extension supports the rotor to enable sliding removal of heavy bearing bodies without housing disassembly.

Laser welding joins the flange inner periphery to prevent molten metal dispersion, eliminating finish processing costs while maintaining rotational accuracy.

Superhard bearing assemblies use convex and concave radial surfaces to form a hydrodynamic fluid film.

A composite roller structure eliminates thermal expansion warping by combining a zero-expansion glass ceramic core with a high-conductivity metallic jacket.

Segmented siliconized graphite sectors with interleaving channels enable uniform water cooling, resolving heat removal issues in large nuclear plant bearings.

Segmented clearance groove with variable gap widths directs lubricating oil flow to prevent leakage at high turbocharger speeds.

Pre-toothing on the cold-extruded sliding sleeve maintains rotational angle position during axial displacement, resolving assembly retraction conflicts.

A bearing removal tool applies axial percussive force to dislodge seated components from rotatable shafts.

Axial draw mold segments movable portions to extract resin upper cases without deformation.

Axial ultrasonic vibration creates a robust air film that absorbs fluctuating loads, solving rigidity limits in conventional air bearings.