Pump Components TRIZ Cases

Damaged bearing support, web, and ledge sections are machined to datums and rebuilt with a welded insert to restore compressor housing integrity.

A radial gearbox layout at the compressor discharge cuts core flow turning while preserving fan speed control and bearing load support.

A clamped axial friction ring helps shaft-impeller joints resist relative displacement, improve self-centering, and reduce vibration at high speed.

Magnetic bearing integration lets an aircraft vapor cycle compressor avoid wear debris, lubrication, and cooling hardware while supporting high-speed operation.

A hook-pin joint secures components without tools while absorbing vibration, thermal expansion, and tolerance variation.

Varying bore diameters across impeller zones controls axial and radial growth at Hirth couplings, reducing vibration and interface stress.

A pivoting, latchable base lets one battery-powered fan change height and airflow direction while collapsing for compact storage and transport.

A threaded locking collar and ring element hold the pump impeller axially, reducing thrust-driven vibration, stress, and bearing wear.

Counter-rotating coaxial paddles improve bidirectional transport efficiency and recover energy from reverse flow with balanced drive motion.

An oblique fan axis and belt-driven 90° nozzle rotation improve radial airflow direction and debris-clearing control.

Driveshaft recesses retain fluid under the top foil to build pressure at startup and shutdown, reducing foil bearing wear at low speeds.

Integrating the pressure relief valve into the pivot pin simplifies pump housing design while maintaining reliable lubricant pressure relief.

Different stud clearances create directional bearing stiffness, reducing shaft instability and improving turbine engine dynamic stability.

Axial trimming of fixed propeller blades shifts the duty point without radial changes, cutting configurations, lead time, and cost.

A reinforced ESP transport assembly supports in-basket testing, lifting prep, and safe stacking to cut handling damage and delays.

Porous sidewall oil reservoirs capture lubricant flung from a fan bearing and feed it back to reduce wear, noise, and oil depletion.

A cone-shaped oil feed nut uses centrifugal oil delivery and an integrated journal to retrofit vacuum pumps with lubrication and backup shaft support.

Parallel resistance heaters keep the vacuum pump exhaust path heated after element failure, reducing deposition and avoiding process interruption.

Adjustable annular balancing mass and casing access ports let installed gas turbine rotors be balanced in situ to cut vibration and downtime.

An elastomer bearing damper constrains radial motion while absorbing axial vibration to suppress compressor resonance and extend bearing life.

A keyed blade lock with matching disk grooves and a fastening pin stops axial blade movement, reducing friction wear in gas turbines.

A leaded bronze bearing surface and copper-nickel face plate resist cavitation, cut material loss, and preserve hydrodynamic lubrication in gear pumps.

Passive absorption materials and active cancellation waves suppress noise from high-velocity air amplifier flow while preserving amplification.

Movable flaps on a folded sheet open during normal fan operation and close on fan failure to block recirculation and maintain cooling.

Additively manufactured lattice density zones reinforce high-stress and deflection regions in rotating shafts to cut strain, raise stiffness, and reduce failures.

A rotation-stopping gasket structure prevents impeller friction, cutting pump noise and abrasion while improving electronic water pump durability.

Cutting the inner end of a return vane increases exit angle, widening centrifugal compressor range while limiting vortex and flow separation.

A bypass flow path splits compressed air around air foil bearings to prevent flow delay and improve internal cooling in vehicle air compressors.

Keeping the bearing outlet fully flooded and the water loop pressurized suppresses foaming and protects high-speed fuel cell compressor bearings.

A dual-material piston uses a wear-resistant inner bushing and a heat-resistant stop portion to keep inline pneumatic valves reliable.

Multiple radial fans use a roller gap to crush and densify rail machining particles, extending collection time without a larger collector.

Irregular transverse posts disrupt microchannel flow and use gravity plus surface binding to improve rare cell capture uniformity.

A two-shaft speed reducer lets the first impeller run slower than later stages, cutting NPSHR while preserving head and flow range.

A curved fluid cavity around the shaft adds radial, axial, and rotational damping in one compact damper, improving rotor stability.

A carbonitride-enriched steel-coated core hot-forms complex titanium alloy parts while limiting contamination, tool wear, and core replacement.

By placing the radial bearing outside the impeller cover, this compressor layout suppresses surge-driven shaft bending and bearing damage.

A circular intermediate member reshapes blower airflow in a tight machine tool panel to suppress turbulence noise without adding bulk.

Superplastic and warm forming shape a fan blade leading edge sheath with precise contours, less scrap, and a close air-tight fit.

Counts sustained thrust-load exceedance from bearing temperature and operating data to improve turbocharger thrust bearing fault detection.

A deflector and collection channel recirculate bearing oil and stop lubricant migration into the pumping mechanism in any pump orientation.

A concave-profile helical spring with progressively changing cross section resists buckling, extends travel, and stabilizes variable pump operation.

Recessed flange cavities and a peripheral lip cut heat transfer from the turbine housing, preserving bolt preload and reducing bearing housing fatigue.

A distributed gear train splits load across multiple compressor shafts to cut bearing surface pressure and keep high-speed gas compression stable.

A right-angle Siegbahn-to-thread groove connection increases radial compression path length, shrinking vacuum pump size without losing exhaust performance.

Shear pins lock an ESP shaft during installation and removal, then break at start-up to prevent unwanted rotation and voltage generation.

A valve opens or occludes adjacent diffuser channels to replace multiple vanes, cutting wear, part count, weight, and maintenance cost.

Tapered ribs and asymmetric channels let a blower outlet tube bend in multiple directions while retaining strength for better debris removal.

A radial leakage-air flow through the thrust bearing gap forms an air film that relieves axial load, cuts wear, and enables a more compact charger.

Adjustable rear vane pressure limits excess contact force, maintaining sealing while reducing power loss, wear, and noise.

Real-time speed and radial enlargement feedback adapts forged-part rotation to deliver precise, repeatable residual stress relief.

Adjustable fan blades generate low-frequency sounds by modulating air pressure, reducing device size while maintaining sound quality.

Unique blade pitch angles disperse sound frequencies, resolving the trade-off between noise reduction and structural imbalance in axial fans.

Chamfered edges enable inclined insertion into inner ring receptacles while cylindrical surfaces ensure tight sealing to prevent leakage.

A radial fan diffuser plate edge angle of 50 to 65 degrees guides airflow radially outward and tangentially.

A helicopter rotor assembly uses magnetic actuators to control blade pitch via a rotating swash plate.

Segmented rotor shrouds decouple radial expansion from turbine stages, reducing mechanical stress and air bypass.

Angled parting planes and disposable cores create complex outer surfaces without burrs, improving casting precision.

Active magnetic bearing controller data triggers the anti-surge valve to open, enabling rapid recycle flow adjustment.

Variable inlet guide vanes shift aerodynamic operating points away from rotating stall windows, reducing blade vibratory stresses and resonance failures.

Asymmetric blade contours vary pressure impacts and airflow velocities to misalign vortex flows and reduce noise energy accumulation.

Magnetic pistons drive fluid in a positive displacement pump, eliminating shearing stress that damages delicate blood cells.

Merges driving circuit into housing structure to eliminate internal space constraints and lower wind resistance for improved cooling.

Cone portions and segmented support ribs reduce windage loss by improving airflow straightness and static pressure.

A rotary machine blade uses lean angle inflection points to direct secondary flow and reduce clearance leakage.

Powered nozzle positioning system adjusts airflow direction horizontally and vertically, eliminating the need to reposition the blower body for debris cleanup.