Pump Components TRIZ Cases

Housing design uses segmented plastic panels with nested resonant cavities to reduce HVAC blower noise while maintaining injection moldability.

Porous mounting frames and vernier tensioners reduce gearbox heat transfer and prevent belt slippage in geared blowers.

Variable cross-sectional area mechanism suppresses surge backflow, reducing noise and protecting the compressor wheel from damage.

A wet rotor pump employs a semipermeable membrane between the rotor chamber and atmosphere to eliminate air collection that damages bearings.

Varying depth and width in an inter-blade balancing mark adjust mass distribution to improve rotor balance accuracy without reducing structural strength.

Discharge apertures vary flow rates across the trailing edge region to counteract heat absorption and maintain uniform temperature.

A heat-shrinkable film creates a water-tight seal around a turbocharger compressor outlet to prevent ingress of foreign agents.

Segmented casting core forms tapered cooling passages that direct airflow through turbine blade tips, managing thermal loads in high-pressure engines.

Branches link blades to a shroud segment, distributing forces to resolve rigidity loss from reduced blade counts.

A stepped section and embedded collar portion increase connecting strength between the rotor shaft and resin casing, preventing loosening under bending forces.

Displaceable second element pushes onto fixed first element to expose rotor-end connector, resolving maintenance complexity without detaching the coupling.

A blower assembly uses a flared scroll wall to redirect airflow smoothly from circumferential to tangential direction.

Optimized pre-swirler vane geometry minimizes noise, vibration, and harshness by reducing air recirculation and drag within the blower assembly.

Air passage channels in the shroud holding device direct gas flow through the structure to cool housing regions outside the main operating medium path.

Resilient dampers absorb vibratory loads on variable vanes, preventing fatigue damage while maintaining flow control capability.

Hydrodynamic stabilization bushings reduce rotor vibrations in multi-phase helico-axial pumps, enabling higher compression stages without excessive oscillation.

Oblique connection portions in the pre-pressing structure replace costly magnetic devices to suppress impeller friction and extend service life.

Increasing the space between the impeller and inner wall allows a smaller impeller size, reducing motor load and achieving higher efficiency with lower noise.

An abradable seal material coats the angel wing interface to tighten radial clearance between rotor buckets and stationary nozzles.

Continuous acoustic treatment extends inwardly across the mount flange to absorb fan noise within the outer nacelle.

Press-fitting scroll and shroud pieces creates a sealed refrigerant flow path that prevents deposit accumulation without O-rings.

Compressible seal maintains watertight integrity in electric coolant pump housing assemblies.

Downstream cooling inlets and an air scoop increase airflow through the motor cavity, preventing overheating at low airspeeds while reducing debris entry.

A fluid containment housing with a valve and resilient members absorbs shock loads in variable stator vane positioning systems.

Blade protrusions on a circumferential guide ring channel air bubbles away from the pump chamber, preventing heat cushions and improving reliability.

A centrifugal compressor bellmouth uses a circumferential stiffening member to shift dynamic vibration modes away from engine operating ranges.

A hybrid guide device combines generative and conventional manufacturing to create optimized flow paths within a centrifugal pump assembly.

A transparent window in a turbine casing stopper reveals a machined wear indicator for direct erosion observation.

Shielded anti-swirl ribs disrupt high-velocity sand particle impact in electric submersible pump balance chambers, extending diffuser longevity.

Integrates a Hall-effect sensor into the magnetic flux return pole of a homopolar permanent-magnet-biased actuator for non-contact speed detection.

Single-piece sensor assembly measures multiple flow velocity components to resolve trade-offs between measurement precision and device complexity.

An integrated ram air module uses a movable valve and flow diverter to bypass the fan during flight, eliminating drag while maintaining heat exchanger cooling.

Rotating and translating variable-pitch blades modify the injection cross section, preventing restricted intake and secondary flows at the impeller inlet.

Gradually increasing blade angles from inlet to outlet reduce shock waves and pressure loss while maintaining compression efficiency.

Press-fit motor shaft and snug downrod connections eliminate wobble and vibration in ceiling fan mounting systems.

A converging nozzle accelerates water flow velocity to increase energy capture, allowing shorter turbine blades to reduce capital cost and maintenance.

An annular rim and cascading nozzles reduce temperature gradients while minimizing pressure losses in high-pressure compressors.

Wireless communication enables real-time control of fan speed and flow restrictors, resolving device complexity issues in blower door testing.

A torque transfer system uses interlocked stepped edges on bearing sleeves and impeller hubs to maintain synchronous rotation of centrifugal pump components.

Interlocking forward and aft segments merge into one structure, reducing part count and labor while increasing stiffness.

A concave acoustic shield intercepts supersonic flow noise at bleed slots, dissipating acoustic energy without degrading compression efficiency.

Calculated notch transitions optimize pump impeller geometry, reducing material usage while maintaining structural integrity under high mechanical stress.

An adapter merges multiple turbomolecular pumps into a single assembly using inclined cylindrical housings to consolidate suction paths.

Varying channel width relative to depth maintains diffusion rate while reducing radial space requirements for the compressor.

A fan blade geometry positions maximum camber at 50 to 70 percent of the chord length to enhance aerodynamic curvature.

An elastic locking ring with variable thickness distributes uniform compression stress on the stator unit, preventing lateral opening collapse.

Serrated rotor rims generate vortex flow to redirect air leakage toward stator vanes, resolving clearance efficiency losses without abradable materials.

Heat pipes draw thermal energy from compressor vanes into a circulating liquid coolant that rejects heat via a bypass air heat exchanger.

An adjustable shaft sleeve in a centrifugal pump static seal enables real-time clearance tuning while running, preventing solids from entering the seal gap.

Outer nacelle integrates pre-swirl inlet guide vanes with acoustic treatment to mitigate noise generated by high tip speed fan blades.