Pump Components TRIZ Cases

Multi-stage cutting with a dedicated residue-cutting tool forms closed impeller flow paths where tight curvature limits single-tool machining.

A welded suction-side and pressure-side metal sheath protects a gas turbine fan blade core from debris impact and foreign object damage.

Centering pins, damping elements, and manual clamping enable fast tool-free pump mounting while maintaining precise alignment under vibration.

Millable counterweights and an anti-rotation tab let a gas turbine balance ring correct circumferential imbalance and reduce wear.

Pre-loaded stator pads and a shaft-coupled disc provide axial backup support in turbomachinery, reducing wear during magnetic bearing failure.

Localized welding holes let smaller ultrasonic horns join blades to the main plate and shroud, cutting impeller manufacturing cost and complexity.

A shared multi-hole washer spreads bolt load across compressor flanges to maintain sealing pressure and prevent leakage under heat and pressure.

Integrating radial and thrust bearing support with a fluid impeller simplifies turbomachine structure and improves bearing reliability.

Rough and fine mirror-guided laser alignment removes rotor material precisely on complex surfaces to cut imbalance and extend vacuum pump life.

Balanced tabs, notches, and spring-loaded features stop aircraft engine seal rotation during failure modes, preserving centering and limiting damage.

Counter-rotating impellers with embedded motors cut axial length and improve wet gas compression efficiency across mixed gas-liquid flows.

Directly depositing a metallic sheath onto a composite airfoil cuts fit-up and adhesive bonding time while maintaining erosion resistance.

Circumferential groove angles of 144°-216° raise air pressure between shaft and sleeve, enabling stable non-contact rotation.

A clip-retained balance pin corrects gas turbine rotor imbalance in tight spaces without material removal or special tooling.

Cooling holes through the thrust bearing raise airflow in a tight compressor space, lowering bearing temperature and damage risk.

A cut-and-clamp rotor repair replaces damaged compressor discs with solid-hub discs and a new shaft end, reducing cost and full shaft replacement.

Selective fluid passages and annular damper cavities vary shaft damping to cut gas turbine vibration, misalignment, and parasitic losses.

A turning part redirects towing force into the groove direction, enabling smooth blade ring removal without repositioning the towing unit.

Radial strakes in the turbocharger bearing housing oil core guide oil to the drain, limiting swirl, leakage, degradation, and coke formation.

Dry ice pellets sublimate inside metal AM supports to break them down in narrow overhang areas without deforming the printed part.

A groove-supported metal seal enables detachable turbomachine flange assembly while maintaining airtight sealing under heat, pressure, and thermal expansion.

A conical friction nut lets the blower wheel self-retension during operation, keeping the shaft connection secure while easing removal.

A concave-convex stainless steel base bonded to an engineering plastic layer improves impact resistance and maintains a stable water film.

A fitted column section aligns the shaft and compressor before threading, reducing assembly damage and improving fastening accuracy.

A split shear ring in matched cover and casing grooves simplifies barrel turbomachine cover removal while limiting size and material growth.

A retractable puck support and load cell stabilize horizontal gas turbine module assembly while reducing cantilever stress and extra scaffolding.

A 5-100 µm metal leading-edge layer with adhesive and insulation resists water droplet erosion while preserving composite blade lightness.

An integral front center body gutter captures and redirects lubricant to maintain flow in zero or negative gravity while simplifying assembly.

A converging-diverging bell-mouth suction inlet smooths slurry entry, cutting entrance losses and wear while improving pump performance.

Microphones, a speaker, and feedback tuning cancel fan inlet noise across tonal nodes while avoiding bulky sound traps.

An AC coil-capacitor circuit tracks rotary shaft air-gap changes to improve axial sensing linearity without compensation coils or centering.

A two-stage separator removes coarse particles before the compressor and fine particles before the combustor to limit gas turbine debris damage.

Staggered guiding walls, a tapered hub, and backflow channels help this diagonal fan cut turbulence, noise, and airflow loss in heat dissipation.

A tuned fan-to-OGV spacing cuts gas turbine noise through acoustic interference while preserving propulsive efficiency, weight, and drag.

Different roughness on the front and rear blade surfaces raises airflow pressure and reduces fan noise without changing blade shape.

Deep thermocline seawater intake and subsea pretreatment cut RO fouling, energy use, and land-based desalination infrastructure.

Electronic paper displays let a ceiling fan change colors or graphics while keeping blade weight low, aerodynamics stable, and power use minimal.

An inner containment ring shields the casing weld joint from blade fragments, enabling compact gas turbine blade containment with less weight.

By moving the axial flux motor outside the inlet and adding a volute wall, this case improves compact exhaust fan airflow and lowers noise.

A direct-drive motor with torque multiplication replaces gearboxes in cooling fans and pumps, cutting maintenance and enabling adaptive speed control.

A split stainless steel flange and aluminum casing cut vacuum pump weight and cost while maintaining sealing, strength, and fracture energy absorption.

Serrated blade leading edges reshape airflow in a low-speed axial fan to suppress tonal noise and replace it with less annoying broadband sound.

A chordwise rib near the blade root redirects and arrests cracks in integrally bladed rotors, helping confine failure to the blade.

Targeted inserts, thickened sections, truncated impeller tips, and hard coatings curb sand erosion between impeller and diffuser to extend pump life.

Metered blow-by flow through a labyrinth seal cools hot journal bearings in a two-stage centrifugal compressor while reducing cooling flow and thrust loads.

Multiple small motor-fan assemblies and guided airflow help a blower deliver high air volume and wind speed with lower noise and better stability.

High-grit polymer abrasive coating for gas turbine airfoil tips improves dimensional control, curing gas escape, and wear against abradable seals.

A stiff resistance member near the motor shaft end stabilizes the fan hub, reducing unbalanced excitation and noise in outdoor AC units.

A clearance seal and head-positioning structure blocks diaphragm-to-casing leakage in a vertically split compressor while easing assembly.

A back-to-back axial bearing assembly cuts tolerance buildup in centrifugal compressors to hold precise clearances and extend bearing life.

Releasable quarter turn fasteners resolve the contradiction between base fixation strength and maintenance accessibility in submersible pumps.

A bladeless fan nozzle uses a diffuser and guide portion to direct air flow over a Coanda surface.

Direct welding of bent fan blades to the hub eliminates plastic coating constraints, increasing blade count and structural strength.

Intermediate pressure port channels refrigerant to cool the motor, reducing power loss and body diameter.

Extending the impeller blade inner periphery overlaps the rotor yoke to increase chord length.

A self-priming pump integrates a toroidal liquid reservoir around the impeller to prevent cavitation and enable compact vehicle integration.

An open flow generator design eliminates sealed gearbox maintenance by using counter rotating turbines with magnetic rings to generate power.

Rotor-mounted state sensors detect temperature, pressure, and vibration directly on eccentric screw pump rotating components.

Diverts intermediate compressor fluid to accumulate liquid phase for deposit removal.

Segmented inner ring with expansion joints reduces tangential tensions from thermal expansion, enabling stable high-speed vacuum pump operation.

Segmenting the intermediate case into a sand-cast duct and investment-cast centerbody resolves manufacturing complexity while maintaining structural integrity.

A waterproof cover uses a bent vent hole to deflect incoming liquid while allowing air passage through the filter.

Press-fit balancing ring on radially outer rotor arm eliminates internal cavities to prevent oil accumulation and reduce weight.

Absorbable lattice structure supports fragile ceramic core within mold cavity, eliminating drilling steps and reducing production costs.

A protective device integrates a grid structure into the bearing support holder of a turbomolecular pump to prevent particle ingress.

Merging first and second blade sets into a unified assembly increases airflow volume while reducing vibration and noise during rotation.

Segmenting the pump system into multiple units resolves the trade-off between required head pressure and excessive weight, cost, or leakage risk.

Centrifugal pump with perpendicular connectors and nested tank reduces space occupation while eliminating fan noise.

A semi-rigid damping seal compresses between components to isolate vibration while maintaining an airflow barrier.

Spring-loaded buttons on a fan nozzle enable rapid removal while maintaining seal integrity against air leakage.

A mask apparatus fan module mounting portion secures the blower fan to the front frame using fixing ribs and a cover.

Triangular vortex generators placed at two-thirds span reduce corner vortices and improve compressor stability.

Placing a hot-film sensor in the hollow channel of an axial brace measures static pressure differences directly, improving volume flow accuracy at low speeds.

Segmented grooves drive adhesive flow to displace air and ensure uniform bonding while relaxing manufacturing tolerance requirements.

A motor mount support arm integrates a hook and groove to secure cables without kinks.

An annular cover body joins ultrathin fan blades through injection molding or laser fusion, preventing root breakage during operation.

Replacing air with a non-gaseous filler material in an electric pump motor body improves thermal dissipation and reduces vibration noise.

Segmented coverplates with radial tabs adjust positions relative to baffle tabs.

A rotor vane slot features varying widths to enable integral casting and precise grinding of compressor components.

Segmented diffuser blocks with integrated vanes and sound-absorbing holes reduce noise while simplifying manufacturing.

Segmenting the airfoil, root, and head reduces material waste compared to milling solid blocks.

Sliding side frames expand or contract the fan cage volume, eliminating structural interference during single-handed installation.

Wind-catching projections guide cooling fan airflow through housing holes to dissipate motor heat.

Annular replacement restores engine casing dimensions through precision welding and heat treatment to relieve residual stresses.

Irregular blade spacing in a gearbox fan reduces resonance and noise pollution while maintaining manufacturing simplicity through localized quality adjustments.

Remote compensation coils counteract magnetic interference fields from turbomolecular pump motors, eliminating image blurring in electron microscopes.

Abrasive grit coating on turbine blade tips paired with abradable shroud coatings manages clearance while reducing rubbing friction and wear.

Relocating the control cylinder to a second chamber removes cooling needs and reduces mass while maintaining aerodynamic flow.

A liquid rocket inducer uses a partial shroud enclosing full-size blade edges alongside symmetric short blades to stabilize cavitation patterns.

Inner and outer radial guides in a cooling fan adjust air velocity and flow rate for upper and lower circuit board surfaces.

A non-swelling boot seal retainer constrains elastomeric seals against dielectric oil expansion to prevent gaps and debris entry.

Flexible corrugated ducts accommodate varying brim shapes while preventing accessory slippage.

A micropump structure uses a radial flow configuration with an integrated partitioning board to guide fluid efficiently within a compact main body.

A pump-motor model adjusts parameters using periodic excitation signals to determine flow rate and delivery head accurately.

Segmented double airfoil blades improve aerodynamic efficiency by reducing flow disturbance without compromising mechanical strength.

Convex and concave vane zones deflect radar waves away from the low pressure compressor, reducing aircraft detection levels.

A cover cap directs flow past the rotor to prevent particle deposition, maintaining balance without increasing installation space.

A rotating blade uses a sinusoidal stacking axis course to optimize geometric profile.

Segmented collection channel with flow arresters extracts solid particles to minimize blade erosion damage.

Relief slots in the gas turbine seal land alleviate thermal mismatch strain while maintaining sealing effectiveness.