Pump Components TRIZ Cases

Integrated solar panels, battery storage, and forced airflow ventilate portable toilets to cut heat and odor without external electricity.

Inclined diffuser vanes extend the airflow path in a compact vacuum cleaner to cut pressure loss and noise while preserving suction force.

A sweeper extending beyond the impeller base pulls lodged clothes inward, improving circulation and cleaning in low-water vertical-axis washers.

A centered handle, compact battery range, and optimized fan layout improve one-handed blower comfort, airflow, and runtime.

Internal oil cooler and piping layout cuts external joints in a refrigeration turbo compressor, reducing air and oil leakage.

Bypassing part of the airflow around the heater cools the nozzle surface while preserving uniform, amplified warm air and reducing dust burning.

A pre-start valve drains pooled liquid upstream of the impeller to avoid startup collisions, fatigue damage, and lost compression performance.

A constant-width annular diffuser evens impeller outlet pressure, cutting airflow losses and extending battery blower run time.

A U-shaped external pipe links two compressor stages in one plane, shortening flow path and reducing separation and pressure loss.

By splitting motor discharge air between two paths, this case cuts vacuum cleaner flow noise while preserving cooling and suction force.

A winding two-piece blower housing cools exhaust without dilution air, cutting motor energy use, standby losses, and retrofit height.

Direct-drive permanent magnet motors and inlet flow conditioning improve chiller compressor efficiency across stages while cutting energy use and noise.

An internal LAT or dew-point sensor lets the valve control coolant flow in time to prevent condensate freezing and avoid flow sensors.

A Coanda nozzle and upstream heating path turn turbulent fan-heater output into smooth warm airflow while reducing dust burning and odors.

A gravity-pressed flap gate in the blower's helical casing preserves airflow and reduces turbulence during bi-directional drum rotation.

An extended bell mouth on the heat-exchanger side guides axial airflow, stabilizes the fan inlet, cuts noise, and avoids short cycling.

A Coanda nozzle and integrated heating elements create smoother heated airflow at distance while reducing turbulence, dust burning, and odors.

An axial propeller and heat-conducting central duct cut blower weight, noise, and inertia while enabling quick air speed adjustment.

A reduced-diameter, curved motor casing raises resonance frequency, enabling stable high-rpm turbo compressor and refrigerator operation.

A permanent magnet motor and variable speed drive let screw rotors run at optimum peripheral velocity for efficient part-load and full-load compression.

A discrete metal ring protects the blower discharge rim from abrasion and impact, preserving outlet shape and consistent airflow over time.

Spacers between the motor support and casing plates absorb transport shocks, preventing fan panel deformation and motor shaft misalignment.

Telescoping side brackets let a recessed bath fan center on off-center joists, while a removable motor-blower unit cuts wiring and service effort.

A Coanda nozzle and upstream heater create uniform warm airflow, reducing turbulence, uneven heating, and burnt dust odor.

A bolt-on refrigeration unit cools electric submersible pump motors to limit thermal failure and cavitation in wells above 100°C.

Dynamic torque profiles matched to compressor operating points reduce pulsating torque and non-productive forces in refrigeration drives.

A stepped sleeve with spring preload eases o-ring mounting, improves axial load absorption, and reduces bearing skidding in turbomachines.

Wider hole spacing in outer porous-plate rows cuts edge vibration and turbulence while preserving silencing strength in gas turbines.

Annular ribs at the impeller inlet block radial air leakage between shroud and housing, improving blower and vacuum inlet efficiency.

A one-way valve in the pressure equalization pipe blocks refrigerant backflow to the oil tank, preventing oil leakage during compressor stop.

Multiple axial grooves spread load from the relief device, cutting stress concentration and shaft breakage in multi-stage pumps.

A hollow-shaft friction coupling lets pump drives be tightened or released in place, reducing imbalance, easing maintenance, and supporting higher speeds.

A toothed balancing ring and pinion gear enable post-assembly engine trim adjustment while reducing vibration and heated air windage.

A single-motor pump uses parallel outlets and a pre-formed diaphragm switch to cut flow loss, simplify assembly, and prevent leakage.

A sealing chamber and water baffle isolate the sprinkler transmission from sand, preventing jamming, wear, and service-life loss.

Sensor-based contamination modeling identifies the right turbine engine wash timing and method to reduce downtime and extend hardware life.

A keyed blade fastening assembly uses matching grooves and a locking pin to stop axial blade movement, reducing wear in gas turbine rotors.

Airflow through a welded cooling cavity lets the compressor case actively manage temperature for blade tip clearance control with less external interference.

An elastomer bearing damper absorbs axial resonances in compressor shafts while preserving radial stiffness to extend bearing service life.

An algorithm-defined 3D-printed core balances rotor blade weight and moments before assembly, cutting adhesive steps, time, and vibration.

By tuning engine area and nozzle pressure ratios, this geared turbofan improves propulsive efficiency while reducing drag and easing wing installation.

Dual radial cut-removal zones let rotary fluid elements be rebalanced multiple times without weakening blades, reducing vibration and noise.

A compact shrouded impeller keeps 4-30 cmH2O respiratory airflow while cutting sleep-disturbing noise below 50 dB(A).

Positioning ribs fill blade-to-groove clearances to improve ultrasonic welding alignment, control vibration energy, and direct flash.

A guided transport device moves a pump exchange set through the motor lantern opening, reducing manual lifting, impact damage, and hand injuries.

Synchronized reciprocating cutting forms shaft grooves in one pass, reducing air-bearing machining time, cost, friction, and heat.

Synchronized reciprocating machining forms shaft grooves in one pass, cutting bearing production time while enabling low-friction air or gas support.

Synchronized sinusoidal tool motion cuts air-bearing grooves on rotating compressor shafts faster while preserving precise rib or groove arrangement.

A control coil and chamber magnet hold the blood pump rotor off the wall, enabling smaller magnetic bearings with stable flow and lower thrombosis risk.

Adhesive filling between the impeller hub and external-rotor motor replaces metal blanks, simplifying assembly while improving centering and reducing imbalance.

A semi-spherical guiding portion and sealing-ring protrusions cut ceiling fan shaft volume, reducing motor load, power use, and installation effort.

Rounded tip geometry and a trailing-edge lobe cut blade-tip turbulence and recirculation noise while preserving cost-effective extrusion.

A dome-shaped graphite bearing pad cuts shaft contact area, retains more lubricant, and reduces fan friction, wear, and noise.

By combining the motor and radial magnetic bearing, this vacuum pump cuts axial length while preserving non-contact rotor support.

A grooved partition wall routes cooling air radially through foil-bearing gaps to lower bearing temperature without increasing axial machine size.

Oil sumps in turbomolecular pump bearing pockets keep the lubricant film continuous across orientations, cutting viscous losses and heat.

A hub section is force-compressed into a shaft groove to prevent detachment, improve joint strength, and stabilize motor case assembly size.

Sliding tracks, positioning grooves, and a spring-reset buckle let the fan clamp and rotate without precise hole alignment.

A spring-loaded locking coupling fixes shaft spacing to carry tensile and compressive loads in ESP assemblies without extra thrust bearings.

A rotation-stopping gasket structure prevents impeller contact and friction noise in an electronic water pump while keeping assembly simple.

Localized induction heating relieves stress at multiple linear friction welds in rotor hubs, improving fatigue strength without full-part heat treatment.

Combining check valves, relief protection, and pumps in one housing cuts piping, saves space, and lowers contamination risk in compressor oil delivery.

A locking-ring sealing assembly lets self-priming pumps replace seals through the suction port while protecting bearings from leakage and vacuum damage.

Airflow through a cast cooling cavity speeds compressor case thermal response for tighter blade tip clearance and stable accessory mounting.

Internal oil recirculation in the bearing bracket replaces external lubricant pumps and lines, improving bearing cooling and failure resistance.

A circuitous sheath joint and tip cap improve airfoil stiffness continuity, reducing FOD stress concentrations and composite delamination.

Interleaved sheath and tip-cap members create a continuous-stiffness joint that limits delamination and stress concentrations during FOD impact.

A single DC amplifier with switched rigidity and bias modes stabilizes maglev vacuum pump control, cuts size and power use, and shortens stop time.

Smooth, edgeless oil pocket transitions reduce pressure gradients and cavitation damage while preserving the bearing lubrication film.

An integrated dual pump and control valve simplify hybrid drivetrain oil flow for clutch actuation, lubrication, and motor cooling.

A keyed bushing and axial retainer lock the bearing in ESP stages, preventing rotation under high torque in sand-heavy wells.

Selective clutch decoupling lets rear compressor stages freewheel at high speed, cutting gas turbine compressor heat and thermal stress.

Preformed lock nut and bolt alignment secures the impeller and nose piece while eliminating on-site drilling and reducing nose piece weight.

A bayonet lock between the shaft sleeve and pressure ring replaces keys and screw clamping, improving pump fixing, assembly, and hydraulic efficiency.

A head-mounted blower, seal, and vent layout maintains therapeutic pressure while reducing noise, vibration, and mask discomfort.

Machine learning surrogate models replace slow CFD damage analysis to judge compressor operability faster and avoid unnecessary component condemnation.

Radial passages and drainage surfaces remove bearing oil in any pump orientation, cutting heating and power consumption.

Rounded plunge-machined entry port geometry removes sharp corners and peaks in turbine rotors, preventing crack initiation and extending service life.

A closed connecting ring locks cylindrical pump housing parts in both axial directions, cutting assembly cost and cycle time across mixed materials.

A folded and flattened sheet-metal reinforcement strengthens the impeller hub area without welding, cutting weight, cost, and production time.

A centrifugal compressor diffuser uses a tapered shroud wall to minimize flow passage area and block backflow.

Ninth stage compressor rotor airfoil shape uses precise Cartesian coordinate values to resolve compression inefficiencies in multi-stage axial compressors.

Baffles and bypass tubes segment the airfoil cavity to optimize convection cooling, reducing compressor bleed volume and improving engine efficiency.

Self-ventilated railway motor uses porous acoustic materials to absorb sound waves, reducing noise while maintaining cooling airflow.

Merging structural arms with straightening vanes eliminates stagnation points in double flow turbomachines, reducing head losses while maintaining support.

A repair method removes damaged threads from a generator rotor blade root while retaining original structural integrity.

Melting metal powder inside a mold cavity eliminates incomplete fills and voids in complex geometries.

Inward hooks on fan bracket arms hold the heat sink securely, eliminating concave structures that complicate manufacturing.

Cranking the compressor generates pressurized air for offline washing, eliminating separate shop air requirements and reducing system complexity.

A drainage pump blade uses a flow regulation portion to align water vectors and suppress turbulence.

An annular ring clamps the rotor flange against the impeller base to resolve insufficient connection strength under varying operating forces.

Curved blade surfaces guide air discharge radially to balance flow velocity, suppressing eddies that cause noise and energy loss.

Mounting a shroud to a bearing assembly decouples impeller vibration from the housing, maintaining clearance and reducing noise in turbomachines.

Asymmetrical hub portions allow constant-radius blade transitions, reducing manufacturing complexity while maintaining durability.

Hollow block placed between compressor blades seals dovetail slots, eliminating sealant wire wear and reducing airflow leakage.

A centrifugal pump thrust bearing uses a curved interior surface to transmit axial and radial loads through hydrodynamic lubrication.

Local thickening forms engaging protrusions on a thin lever plate, reducing weight while maintaining structural strength and precision.

Metal spring accommodates thermal expansion and prevents rotation in high temperature submersible pump bearings.