Pump Components TRIZ Cases

High-pressure compressor bleed air, cooled through a heat exchanger, improves aircraft fan bearing cooling for higher loads and speeds.

A variable inlet and divergent-wall diffuser push the surge line to lower flow rates while preserving turbocharger compressor high-flow operation.

Colliding dual airflows steer the outlet stream by varying one duct restriction, cutting noise, pressure loss, and leak paths.

Variable impeller-casing clearance uses fluid pressure differences to self-balance axial thrust and protect turbopump bearings.

A rotatable fan module switches inlet and exhaust airflow without replacing the unit, keeping pressure consistent while reducing inventory.

An eccentric diffuser radius layout suppresses low-speed regions and backflow while preserving pressure recovery and compressor operating range.

A geared fan with 17-20 low-solidity blades balances high bypass efficiency, lower noise, and reduced specific consumption in aircraft propulsion.

A slotted blower housing lets the motor and fan wheel slide out for service without removing adjacent HVAC components.

Limits fan speed at power-on, then switches to power- and temperature-based control to reduce noise without sacrificing heat dissipation.

A metallic tip sheath with an insulator lets composite fan blades run tight casing clearance while limiting rub heat and thermal damage.

Radial and axial ribs narrow impeller gaps to suppress secondary flow, improving turbomachine pressure, volume flow, and acoustics.

A folded blade structure with spot-welded contact portions and pillar-hole joining cuts centrifugal fan manufacturing time and fixture cost.

Inclined guiding parts and a rotatable snap connection let one installer mount or remove a fan lamp faster, with stable fixation and cleaner appearance.

Distributed strut vanes hold the intermediate ring concentrically to cut blade passing noise, stress, and airflow losses in ventilators.

Offset rotor blades let a compressible pump fold and expand with less kinking and stress, improving blood pump deployment and durability.

Resin-sealed waterproof electrical parts and cord let this air-blowing assembly be washed with water without motor failure.

A resonance cavity and neck opening attenuate server fan noise while maintaining airflow, improving cooling environments for servers.

A trackball with optical detection lets a handheld fan adjust airflow quickly and precisely without button wear or stepped speed limits.

Magnetic coupling with a barrier can transfers torque without contact, containing high-pressure fluid and preventing contamination in compact pump systems.

Spaced side wall sections cut injection-molding wrapping force on the base plate, preventing deformation and preserving fan stability.

A collector passage and circumferential inlet slot even out secondary refrigerant flow to cut pressure mismatch and aerodynamic disruption.

An adhesive rib-and-clearance structure limits thermal center-of-gravity shift in centrifugal fans, reducing vibration and noise.

A protrusion-defined adhesive clearance lets bonded fan parts absorb thermal expansion differences and reduce vibration and noise.

High-density oil and a gravity trap create a barrier that keeps wellbore fluids out of motor lubricants in downhole submersible pumps.

Filtered barrier fluid supply helps stabilize submersible well pump pressure, reduce back-pressure effects, and protect against abrupt flow changes.

A suction-side communication path pre-fills gear tooth grooves, improving liquid transfer efficiency and limiting air entry at high rotational speed.

Guy wires, a retention rod, and adjustable blade pitch improve industrial ceiling fan airflow while limiting vibration and gyroscopic movement.

Multi-signal analysis of rotational speed and motor power separates bearing wear from other vacuum pump operating variations.

Unequal top and bottom plate diameters guide airflow to maintain pressure rise while lowering fan speed, noise, and static pressure loss.

Blade elements and radial geometry balance inner and outer wind speeds to suppress surging, cut noise, and raise airflow.

A leading-edge pressure fluctuation suppression portion reduces vortex-driven pressure variation and fan noise while preserving blade rigidity.

Axially compressed graphite rings seal ESP housing joints at up to 550°C, avoiding elastomer aging, tight tolerances, and metal fatigue.

A modular fan reuses the motor housing, PCB, and bushing while replacing worn bearings or shafts to cut waste, wear, and CO2 emissions.

A high-density oil gravity trap blocks wellbore fluid ingress and keeps motor lubricant clean in downhole submersible pumping.

Axial force and shaft speed sensing in a pump bearing arrangement replaces bulky flowmeters and enables flow estimation in double volute pumps.

A distal bearing support stabilizes impeller-to-cannula tip gap during bending, enabling high-flow catheter pumping with lower hemolysis risk.

A 3D-printed monolithic housing and fan wheel cut welding, lower fan assembly cost, and improve airflow in spark-resistant builds.

A hard electroless nickel-phosphorous coating helps turbo wheels resist water-droplet erosion without heavier substrate materials.

Thermochromic fan portions switch color at different temperatures, giving real-time visual heat indication without added sensors.

Opposing non-uniform stator vane gaps balance rotor-stator vibration and reduce unbalanced forces, noise, and structural loading.

A second shutter traps gas in the bypass chamber to cut hot gas and oil leakage, improving screw compressor adiabatic efficiency.

Built-in temperature sensing inside the pump body removes external probes and cables, saving aquarium space and simplifying installation.

Laser-hardened martensitic thrust bearing surfaces cut adhesive and abrasive wear during dry starts in scroll compressors.

Separate longitudinal chambers let a fan blade house wiring, a transformer, and a light source while preserving strength, aerodynamics, and serviceability.

Multiple conduits and straightening fins balance pre-rotation between opposed impellers, improving second-stage inlet flow and pump efficiency.

Tapered diffuser shoulders and impeller hubs self-center an electrical submersible pump, cutting misalignment, bearing heat, and wear.

A masking chamber isolates airfoil and shank zones so chromide and aluminide coatings can be deposited together without chloride gas damage.

A smaller fan ring-to-blade height ratio boosts airflow and cooling while reducing noise and preserving blade strength in compact vehicle packaging.