Pump Components TRIZ Cases

A three-part bearing housing supports journal and thrust bearings under aircraft pressure and heat while enabling cooling and rotor balancing.

Pre-machined fins are welded into a one-piece turbomachine blade reinforcement, improving thin-profile accuracy while cutting forming steps and rejects.

A tubular pump shaft hub uses transition fitting to simplify motor separation while limiting clearance and preserving pump efficiency.

A lubricant conduit built into the cooling fin improves bearing housing heat dissipation and extends flow machine operation at high ambient temperatures.

A deflector, transfer device, and return members recirculate oil to keep turbomolecular pump bearing lubrication stable across orientations.

Blind surface cavities boost convection for motor fan electronics while cutting heat sink bulk, pressure loss, and noise.

A press-fit rotor can joint secures bearing carriers or shafts without welding, simplifying assembly while preserving a tight rotor-stator gap.

Controlled slow and rapid cooling hardens a variable oil pump slide for wear resistance while preserving dimensional precision and reducing machining.

A preloaded flat spring keeps low-speed pitch stable, then deforms under torque to improve cruising efficiency and maneuverability.

By fixing a hubless impeller on a holding plate during friction welding, this case cuts material and machining while improving airflow.

Centrifugal rolling elements and U-shaped plate springs damp rotor blade vibration at natural frequencies across different excitation harmonics.

Particle-size-based filter control removes harmful particles while limiting pressure loss, extending turbomachine efficiency and filter life.

Cold expansion of the bore plus targeted surface peening adds compressive residual stress to delay crack initiation and extend wheel LCF life.

Sinusoidal tool synchronization cuts air-bearing grooves in one pass, speeding compressor machining while reducing frictional heating.

A rotating table and faster inner cutting tool machine nozzle-bearing casings with less centrifugal imbalance, shorter processing time, and high accuracy.

Balances nozzle width and volute-induced whirl angle to target effective nozzle area and improve turbine stage efficiency across flow conditions.

Bent strip annular members replace stamped discs and rings in fan assemblies, cutting scrap while supporting airflow with simpler hub structures.

A resilient damper between coaxial bearing members reduces impeller vibration transfer to stationary pump structures.

A split-ring and locking-screw coupling secures ESP shafts against tensile separation while maintaining axial positioning under changing thrust loads.

A rotatable sealed light guide, dual filters, quick coupling, and multi-probe sensing help a submersible pump resist clogging and run when tilted.

Motorized machining forms a rounded turbine rotor weight entry port that removes sharp corners, prevents cracking, and supports easier repair.

Integrated filtration and moisture indication clean bearing oil, detect water contamination, and support planned pump maintenance.

Elastic support rings and floating ball bearings damp vibration and absorb thermal expansion in high-speed vehicle pump shafts.

An annular magnet and sensor replace sealed optical encoding, enabling precise gear pump volume control with lower complexity and cost.

A shaft-mounted fan, separating plate, and cowl improve gear unit cooling in tight space while reducing air feedback, noise, and turbulence.

A sliding guiding tube and centring element align the low-pressure shaft during turbine module docking, reducing misalignment and tool weight.

An internal housing protrusion limits bump foil deflection to the elastic range, preventing plastic deformation and shaft support loss.

A semi-circular seat and semi-spherical guiding portion cut rotary shaft volume, lowering ceiling fan weight, power use, cost, and installation effort.

Fluid bearings replace wear-prone ball bearings in a motor-integrated rocket pump, extending service life and simplifying reuse.

Varying overlap angles across adjacent foils reduces rigidity differences, shrinks the gas film gap, and raises thrust bearing load capacity.

Elastic locking ring teeth secure a radial bearing on the rotor shaft quickly, cutting flange mounting time and material use.

A carbonitrided steel-coated nickel or cobalt core enables hot shaping of complex titanium alloy parts while preventing bonding, contamination, and rapid tool wear.

Pressurized air rotors pulse anti-phase jets from microphone feedback to cut low-frequency turbojet tonal noise with low mass and energy use.

Rotating a partially cured impeller redistributes excess curable liquid, cutting subtractive balancing steps and improving airflow.

Axial trimming of fixed propeller blades adjusts pump duty points with fewer variants, reducing assembly effort and manufacturing cost.

Tubular channels on a discharge grate isolate gas jets and dissipate energy to cut aero-acoustic noise in aircraft engine discharge valves.

A flush sliding VBV door and shared unison ring cut bleed-cavity losses, weight, and compressor instability during low-speed operation.

Axial end cuts in the bearing sleeve reduce thermal deformation, keeping thrust bearing plates parallel and preventing seizure.

Adjustable diaphragm inlet sections shift the surge limit to lower flows, improving compressor efficiency and reducing hub flow detachment.

Simultaneous 3D printing of the hub and rotating member removes hinge assembly steps, cutting failure points, cost, and complexity.

An extruded elastomer holder with joined ends and cavities decouples vehicle pump vibrations while lowering material use and cost.

An impeller-driven seal assembly maintains bearing chamber pressure differential and keeps oil near the bearing to reduce leakage and wear.

Switchable high- and low-rigidity magnetic bearing control stabilizes vacuum pump operation, cuts power use, and shortens stop time.

A hybrid magnetic and sliding bearing supports the blood pump rotor while lowering shear, heat, and stagnant flow that drive thrombosis.

A slim fan oil bearing uses controlled geometry, support, and capillary oil return to limit thermal overflow, cut noise, and extend shaft life.

Shear-thickening material inside an airfoil cavity damps fan blade vibration without shrouds, preserving airflow efficiency and reliability.

A dual-material valve piston places a wear-resistant inner bushing on the support tube while the outer stop portion withstands high pressure and temperature.

A shoulder-step journal bearing locks against the thrust bearing or casing to stop axial movement without extra fasteners or casing machining.

An upstream iris diaphragm varies compressor inlet area to shift the map, improve transient stability, and help prevent pumping.

A self-guiding iris uses one directly actuated main blade to move the others, cutting parts, space, and assembly cost.