Shafts TRIZ Cases

A rotating oil conveyor ring pumps lubricant from a sump to electric motor bearings, eliminating frequent relubrication needs.

Crossed fabric layers in a resin matrix provide load resistance above 40 MPa, preventing seizing and delamination under high dynamic loads.

An inner peripheral recess in the hollow shaft secures the sealing member against assembly stress, preventing dirt intrusion into bearing portions.

Directional grooves in the thrust plate stabilize high-speed rotation, increasing disk-loading capacity without sacrificing precision.

A countershaft bearing with axial variations adjusts its profile dynamically to resolve instability under varying load conditions.

A sliding bearing uses hypercomplex intermetallic compounds to strengthen the aluminum alloy matrix and resist plastic deformation under high specific loads.

Tapered elastomeric layers reduce edge bulging by distributing radial and axial loads, extending bearing lifespan under heavy mechanical stress.

Radial flange portions hold raceway rings within synthetic resin cases, eliminating axial height increases that deteriorate machining accuracy.

Oriented multi-walled carbon nanotubes in PEEK or PPA sliding layers resolve the trade-off between high wear resistance and low coefficient of friction.

Interlocking brush damper rings generate friction to resolve low damping and rotordynamic instability in high-speed gas bearings.

A turbocharger axial bearing uses a wedge surface and sealing flanges to generate hydrodynamic pressure.

A stepped bearing assembly uses variable interference fit to maintain contact pressure within a gas turbine engine housing.

Controlled wearing-in of superhard thrust bearing elements reduces friction and heat generation under high loads by establishing a protective fluid film.

An open sealing gap between the bearing cone and rotor component allows optical filling level inspection, eliminating complex leak-proof connections.

An open-core flywheel architecture uses high-temperature superconducting bearings to support the rotor without mechanical contact.

Segmented frame parts with convex-concave interfaces maintain rotor concentricity despite manufacturing precision trade-offs.

An injection molded plain bearing on the guide ring eliminates separate component assembly and reduces positioning errors in strut bearings.

Interrupted elongate lubricant reservoirs balance load distribution and reduce wear by eliminating sharp corner stress concentrations.

A gear system bearing structure incorporates a lubricant reservoir within its slidable shaft and hole interface to maintain consistent lubrication.

A sliding contact surface-forming material uses a woven fabric with fluorine-containing resin and polyphenylene sulfide fibers impregnated with resol-type phenolic resin.

An injection molded PEEK bearing layer resolves dimensional precision issues in sintered metal covers to prevent premature seizing.

Sacrificial anodes and protective coatings shield bearing bonding regions from drilling fluid corrosion, extending operational lifetime.

Cooling liquid pressure applies radial preload to electrospindle bearings, eliminating mechanical sliding bushes that cause wear and complexity.

A dust pocket formed by chamfered abutment surfaces stores large contaminants to prevent linear flaws and maintain the lubricating oil film.

Rotating the fastener drives wedges to lock or unlock the joint, resolving complexity issues in power tool fixture adjustment.

Nanostructured ferritic alloys replace nickel with chromium and molybdenum to improve stress corrosion cracking resistance while reducing raw material costs.

An optical coupler regulates signals from a fiber optic sensor to measure thrust load, eliminating wire connection errors and complex temperature compensation.

Slotted mounting structures align universal joint angles to eliminate driveline vibrations and premature component failure.

A lubricating grease composition with controlled worked penetration and base oil viscosity enables efficient automatic lubricator feeding.

Segmented snap cage design suppresses grease agitation and leakage under high-speed centrifugal forces.

Convex curved bearing housing slides on base to follow rotating shaft deformation, preventing partial contact friction and temperature increases.

A compensation magnet adjusts its magnetic field to reduce the stray vector field of a permanent magnet bearing in a rotary unit.

A fluid dynamic bearing uses a tapered seal portion to generate radial support pressure within minute gaps.

Segmented journal portions partition the housing opening to prevent oil aeration and torque loss while enabling compact engine designs.

Segmenting the shaft diameter isolates collision buckling from torque transmission, preventing notch-induced strength loss.

Segmented coating layers on laminate blanks protect cut edges and exposed surfaces, extending maintenance-free lifetime by preventing galvanic contact.

Cavities in injection-molded elements convert armature vibrations to heat, resolving insufficient damping effectiveness in electric motors.

Angular flange lugs enable direct filament winding, eliminating hole drilling that damages fibers and reduces shaft strength.

Segmented foil retaining cavities in the bearing sleeve secure the foil assembly, resolving vibration issues in air cycle machines.

Nested capillary and labyrinth seals reduce lubricant evaporation while maintaining mechanical stability in fluid dynamic bearings.

Oriented fibrous particles in the sliding layer prevent surface cracking and shearing under high-pressure fluid film forces.

A variable coaxial shaft with differential assembly interfaces and lubrication ports stabilizes hydraulic unit operation.

Gothic arch ball rolling grooves enable precise machining measurement while double row angular bearings resolve vibration and concentricity issues.

A bismuth-based slide member features a surface oxide layer containing controlled bismuth oxide to enhance sliding properties.

A combined radial thrust bearing uses a form-fitting connection to join separate axial and radial components for simplified handling.

A manufacturing method stabilizes precision machine tool bearing microstructures through ultrasonic assisted cryo-tempering and magnetic treatment.

Open-pore composite bearing material channels lubricant and coolant to resolve wear and thermal expansion trade-offs.