Pump Components TRIZ Cases

Recessed pump out vanes on the impeller shroud reduce volumetric losses by intercepting recirculating fluid between the shroud and casing.

Segmented ventilation flow paths guide compressed gas through a rotor shaft to improve thermal responsiveness without re-pressurizing the compression stream.

Differentiating upper and lower blade draft angles compensates for uneven air suction to increase total airflow rate.

A scroll casing design maintains a specific Tb/Ta ratio to ensure gentle swirling flow inclination.

A hubless impeller design with free blade roots improves airflow efficiency in motor vehicle cooling systems.

Integrally formed transition nozzle channels air through openings for effusion cooling, eliminating seal maintenance and extending turbine life.

Alternating hard and soft sub-layers resist liquid droplet erosion, extending protection duration while maintaining firm substrate connection.

Non-uniform blade profiles with localized front load angles compensate for tip clearance expansion, maintaining surge margin and aerodynamic efficiency.

A fan module integrates an elongated lens through a cover plate aperture to secure the optical component without external caps.

Fittings on resin impellers engage fitted spaces in metal back yokes to eliminate thermal shrinkage damage and reduce manufacturing costs.

Stacked laser cladding layers form the shroud directly on the impeller, reducing manufacturing costs and improving joining precision compared to welding.

Bonding a titanium alloy metal patch to the dovetail and shank of a composite airfoil reduces stress concentrations at these high-load regions.

Incorporating carbon nanotubes into the resin matrix of fiber composites enhances vibrational damping while managing manufacturing complexity.

Composite fan case structure minimizes engine weight by reducing tip clearance while maintaining blade containment integrity.

Specific third stage compressor stator vane airfoil profiles resolve suboptimal compression efficiency by matching local flow velocities and turning speeds.

A molecular vacuum pump uses a static blocking element to locally reduce the passage cross-section and modify internal suction speed.

Recessed pump shaft surfaces create turbulence to prevent liquid deposition, reducing friction and wear on rotating components.

Segmenting the fan cage module from the chassis housing via a trigger-style latch eliminates tool removal, reducing servicing time.

A turbomolecular pump uses a spring-connected damping mass to passively reduce primary structure vibration.

Segmented horizontal fans draw air through inlets and urge it outward, eliminating bulky cords and tripping hazards.

Alternating non-crimp fabric and roving layers resolve winding crimping issues while maintaining aerodynamic shape and impact resistance.

An asymmetric lobe rotor design increases swept volume by over 100% while maintaining clearance between rotors to prevent fouling.

Spring-loaded flaps retract to eliminate airflow resistance while blocking finger access when the fan stops.

A pump control device regulates outlet pressure and delivery rate using integrated sensors to maintain optimal operating parameters.

Curved disk neck surfaces widen circumferential gaps between blade root grooves to enhance turbine blade assembly workability.

Removable blade attachment with pivot clip redirects airflow volume, resolving the trade-off between increased air coverage and higher energy consumption.

Merging bearing and seal supports into one metallic component eliminates deformation, ensuring perfect coaxiality and reducing shaft bending moments.

Through-holes in the rubber vibration-proof member lower the spring constant, reducing fan noise by 0.7 dBA compared to solid designs.

Parallel centrifugal blower arrays reduce noise and power consumption by operating at lower tip speeds to maintain cooling performance in compact electronics.

Swept hollow fairing airfoils reduce boundary layer separation and pressure loss in gas turbine transition ducts by smoothing pressure gradients.

A non-contacting carbon seal reduces radial gap size to minimize pressurized air escape in turbomachines.

Integrating the housing-side and impeller-side shrouds reduces part count while suppressing surging in the rotation range.

Unequal pitch blades disrupt periodic forces while the bell mouth geometry balances specific frequency suppression against normal operating sound levels.

Segmented spar joints in composite gas turbine airfoils enable controlled partial failure, preventing catastrophic blade damage from foreign object ingestion.

Radial ribs on the lower casing suppress deformation under high stress without increasing pump weight.

Pre-tension an integral inner ring to reduce its radius for threading into a guide vane ring, then relax it to secure the mount.

Hooks and conductive pins merge electrical connections into the mechanical mounting structure, eliminating cumbersome cable routing for multiple fans.

A hiding fan uses a rotation ring and connection rods to synchronize blade movement.

A boundary-layer pump moves viscous fluids using laminar flow and frictional force.

A rotatable deflection element eliminates gaps between axial and radial sections, preventing air leakage and reducing friction losses in semi-axial fan wheels.

Jagged stator strut surfaces reduce friction and improve air power output by resolving low aerodynamic efficiency in vehicle cooling systems.

Segmented compressor housing pieces form an integrated cooling passage along the diffuser surface, preventing oil solidification and simplifying manufacturing.

Interlocking circumferential locking portions on the fan disk and non-rotating component prevent axial detachment after shaft or disk breakage.

Elastic washers absorb vibration between protruding posts and brackets, preventing elastic fatigue and wear that cause blade instability.

Integral cooling passages in ceramic matrix composite shrouds reduce thermal gradients and stress without drilling, preserving structural integrity.

Pulsative air injection prevents compressor stalls while minimizing power consumption by modulating supply volume based on real-time operating parameters.

Segmented blade arrangements optimize compressor efficiency while maintaining high air flow capacity for large displacement engines.

Segmented casing and intermediary aerodynamic members reduce manufacturing costs while maintaining reliable sealing performance.

Segmented metal blade plates with folding portions reduce assembly time and enable thinner fans.

Variable annular clearance between the stepped balance ring and diffuser wall dynamically adjusts under thrust forces to reduce wear on thrust surfaces.