Shafts TRIZ Cases

A magnetic radial bearing uses composite stator teeth to enhance flux density while reducing reliance on rare earth materials.

A rolling bearing cage uses asymmetric sockets to reduce friction and deformation in electric steering systems.

Hard material coatings on slide bearings reduce friction and extend service life in mixed friction conditions.

A planetary gear set drives a balance shaft nested within the camshaft, reducing engine packaging space and weight while mitigating unbalanced inertial forces.

Internal pin grooves distribute grease to bushings, protecting external lines from collision damage in heavy machinery.

Carbon fiber reinforced plastic motor shaft reduces weight and inertia of swimming and diving aids while maintaining structural integrity.

Segmented collar portions bend outwardly to create a second flange, relaxing dimensional tolerance requirements for the receiving opening.

Pumping grooves generate hydrodynamic pressure to create a dynamic seal, maintaining load capacity and stiffness in miniaturized bearings.

Modified aluminum intermediate layers resist lateral deflection above 80 MPa while enabling single casting system production.

A nickel-titanium bearing composition reduces friction through a multi-phase alloy structure.

Reduced coupling plate and pocket wall thicknesses disperse circumferential forces, keeping main stress intensity at 32 MPa or less.

Elastic support member fills housing gaps in ball joints to control swing-and-slide torque, preventing elastic lift and clattering from dimensional variations.

A radial direction controller stabilizes magnetic bearing levitation through dynamic correction coefficients.

Differentiated pocket geometry directs lubricant flow without increasing cage width or reducing load rating.

Nested sliding bearings and hydraulic circuits accommodate small turbine grooves, resolving size versus support trade-offs.

Polygonal cross-sections enable form-fit connections that reduce manufacturing complexity and cycle times.

A silicon nitride sintered compact containing rare earth-Hf-O compound crystals in the grain boundary phase enhances wear resistance.

A rolling bearing uses aromatic urea grease with 13 to 73 cSt viscosity to suppress temperature rise during high-speed alternator operation.

A tolerance ring assembly integrates a low friction PTFE layer to enhance sliding properties.

Segmented inner ring channels direct oil uniformly to seal plate passages, eliminating thermal stress from uneven flow.

Reducing metal powder particle size in the porous layer prevents exposure and dry touch, improving abrasion resistance.

An induction housing generates repulsive force via electromagnetic induction to enhance motor stiffness.

Oriented glass fibers increase compressive strength while controlled pocket gaps prevent retainer damage under high-speed centrifugal loads.

Optimized cage pocket clearance reduces operating noise and vibration by constraining roller movement without increasing friction.