Pump Components TRIZ Cases

A downstream volute and optional second fan raise axial-fan pressure while keeping flow distribution uniform and reducing losses.

A wall along the impeller blade outer edge forms a sliding channel that lowers fish-damaging shear forces while maintaining pump flow rate.

NEG coatings applied by magnetron sputtering cut outgassing and absorb residual gas, helping turbomolecular pumps sustain ultra-high vacuum.

A split front cover with a 3D base and separate diffuser wall enables machinable undercuts, lower cost, and smoother flow without weld post-treatment.

Controlled bell rotation reverses paint direction across semi-cylindrical housing sections to prevent overpainting and keep coating thickness uniform.

A dual-layer casing pairs a corrosion-resistant inner layer with a composite outer layer to cut subsea compressor weight and ease handling.

A larger leading-edge radius on the first compressor rotor shields downstream blades from super-cooled ice without complex anti-icing hardware.

A shared control member and single actuator adjust blade pitch across multiple axial fans, cutting control-line complexity and cost.

A recessed blade outer edge shifts the low point toward the higher-load support part, cutting internal stress without added weight.

An annular holder with fitted sensor cavities improves magnetic sensor placement accuracy for precise rotor position detection in centrifugal pumps.

An embedded secondary pump and valve move the shutter without a complex auxiliary pump, cutting water pump cost and complexity.

A radially varying vane marking and fixed optical detector enable precise in-operation wear monitoring without pump disassembly.

A curved hub, extended wheel tip, and minimized diffuser gap cut turbulence and energy dissipation in centrifugal compressors.

Sensors and bypass control keep CO2 supercritical before pump bearings, preventing liquid drag and bearing failure in closed-loop pumps.

A shaped stator fin at the blade root guides gas flow, cutting corner separation, pressure loss, and aerodynamic blockage at high attack angles.

A larger radially arranged cold compartment improves equipment cooling at low engine speed while reducing bulky thermal protection.

Using fan exit guide vanes as heat exchangers cools thermal management fluid while cutting ducting, nacelle drag, and cooler weight.

By nesting the fan and brushless motor in one motor case, this blower cuts assembly steps and housing size while keeping high air speed.

A high-blade-count single-part rotor cuts air-moving noise while maintaining airflow and lowering power demand for mass-produced blowers.

A split front cover with a separate diffuser wall enables milling of undercut compressor housing features while avoiding costly weld post-treatment.

Axial ribs linking leg sections to bearing bosses stiffen the scroll machine casing and suppress vibration without full casing reinforcement.

Opposed CW and CCW centrifugal pumps on one shaft prevent unpowered ESP backspin, reduce generator hazard, and widen hydraulic range.

A unitary fan enclosure uses detents, extruded mounts, and aligned PCB connectors to enable tool-free hot swapping with less vibration and wear.

Radial vane markings read by a housing-fixed sensor enable real-time wear tracking in rotary vane pumps without disassembly or downtime.

Passive or active bleed-channel flow control balances circumferential extraction to limit compressor distortion and avoid cumbersome adjustments.

Interchangeable Helmholtz resonators target changing server noise frequencies while preserving heat dissipation near heat-sensitive equipment.

Cross-flow fans and HEPA filtration create separate comfort zones, safer airflow, and lower energy use in one ceiling-mounted unit.

A blade edge recess shifts the low point toward the higher-load support part, cutting internal stress and enabling higher fan impeller speed.

A radial-flux motor and in-tank impeller shrink computer water radiator pump size, preserve tank volume, and cut structural cost.

A one-piece 3D injection-molded impeller improves fan efficiency and airflow while lowering noise and avoiding multi-part wheel cost.

A forced non-equilibrium boundary layer diffusion camber profile raises static pressure without separation, cutting losses in high-subsonic stators.

A root-to-tip flattening camber blends pressure and impulse flow to improve ducted fan efficiency and resist stall at low flow.

A hollow rotor ESPCP maintains fluid transfer across 0-1500 RPM, reducing vibration and mechanical issues in low-pressure, low-volume wells.

BEAL-based fan-to-vane spacing reduces gas turbine noise through acoustic interference while preserving propulsive efficiency.

A nested connected body inside a hollow shaft raises natural frequency, cutting rotary machine vibration without losing weight.

A flexible tongue lock lets a garment fan rear case detach for cleaning while maintaining stable engagement during use.

A push-lock blade hub and stabilized downrod reduce vibration and gyroscopic movement while maintaining efficient airflow and blade pitch setting.

By twisting fan blades between a curved top ring and bottom disc, one impeller delivers axial intake, radial discharge, higher wind pressure, and lower noise.

An arc-shaped air guide path and outlet hood direct and pressurize airflow to improve neck fan cooling and discharge performance.

Rigid connecting arms in diffuser and straightener volutes transmit structural loads, preventing cracking and preserving turbine clearances.

Tapered vanes and standoffs cut turbulence and recirculation in rotary disc pumps, improving efficiency and handling fragile or abrasive fluids.

Locking projections and blade tabs enable axial staking of impeller plates, simplifying HVAC assembly while maintaining strong joints.

Porous stationary blades improve airflow and cut vortex noise, while non-porous root-to-tip regions preserve guide vane strength.

Operational flow, power, thermal output, and pressure signals reveal blower housing damage from flame flashback without added sensors.

An insulative barrier isolates dissimilar pipe and hull materials to prevent galvanic corrosion while supporting washwater mixing and pH neutralization.

Adjusting the upstream rotor-to-stator vane height ratio to 3-5 cuts pump axial height while maintaining turbomolecular pumping speed.

Magnetic coupling removes the shaft to cut containment weight and size, while bypass flow cools the impeller and motor.

A thickened outer wall and thinner inner wall keep impeller containment while preserving scroll flow area in a smaller centrifugal compressor.

Pressure balance ports and flow seals equalize stage pressures in multistage fluid transport devices, cutting axial thrust and bearing wear.

Back-to-back axial fan wheels and a neck-centered layout improve wearing comfort while reducing vibration, noise, and cost.