Pump Components TRIZ Cases

A split bearing support with one-time clamping keeps radial bearings within 5-micron coaxiality, improving compressor rotor stability and machining yield.

A concentric balancing ring intercalates with an annular body to cut radial footprint, simplify assembly, and reduce aircraft engine rotor vibration.

A ring latch coupling fixes shaft spacing and transfers tension and compression in ESPs, avoiding extra thrust bearings and assembly complexity.

An integrated compressor wheel and shaft cuts assembly variation, reduces rotor imbalance, and improves magnet cooling in electric turbochargers.

Internal oil circulation in the bearing carrier replaces external pumps and lines, keeping pump bearings lubricated and cooled even during power loss.

A check valve vents trapped argon from a hollow gas turbine fan blade during heat forming, reducing bulging while keeping contaminants out.

Cold metal transfer deposition builds rotary impellers with internal passages layer by layer, cutting cycle time, waste, and distortion.

Placing the impeller-side radial bearing outside the cover member suppresses shaft bending during surges and supports high-speed operation.

Parallel resistance heaters keep a vacuum pump exhaust path heated after element failure, reducing deposition and downtime.

Laser welding replaces raised ring and recess features in a slim fan impeller, cutting mold complexity and overall fan thickness.

An integrated thrust bearing seat aligns turbocharger bearings accurately, transmits thrust loads directly, and reduces bolt shear and housing complexity.

A unitary cast or 3D-printed fan hub cuts part count while enabling different bushings and blade angles for strong, lower-cost assembly.

A pivoting latch and annular teeth stop reverse wind-milling in ventilation fans without complex brakes, reducing electrical and mechanical failure risk.

Two suction stages and one pressure stage share a shaft to deliver dry sump oil with lower friction, weight, and pump complexity.

A resilient damping layer between coaxial bearing members absorbs pump vibrations while preserving the rigidity of stiff bearing surfaces.

An internal screw-pump hydraulic circuit replaces external fluid supply, preserving precise motion, shock absorption, and heavy-load capability.

Oscillating masses on protective grille ribs shift natural frequencies away from airflow resonance, cutting blower and suction noise.

Hydrostatic shaft support and a reduced bearing layout simplify subsea pumps, cutting seal-related maintenance while preserving stability.

Rounded entry port machining lets balancing weights enter a turbine rotor while avoiding sharp corners that can initiate cracks.

A controller coordinates variable-speed pumping with proportional valve opening to hold flow and pressure setpoints with lower energy use.

A periodically inclined thrust surface creates squeeze-film pressure, cutting mechanical loss while preserving turbocharger thrust load capacity.

A torsional undercut makes the ESP coupling fail before the shaft, cutting replacement time, maintenance effort, and shaft damage.

Flux-free inert-gas brazing uses Mg diffusion to break oxide films, prevent voids, and strengthen aluminum impeller blade-shroud joints.

A riser-mounted locking and sealing structure lets valve parts be removed from ground level, avoiding excavation, downtime, and surface disruption.

Axial-contact couplings cut shaft overhang mass and length, raising natural frequencies and critical speeds in rotary machines.

An offset drive-axis layout stabilizes intermediate gears in a geared compressor with unequal impeller sizes, suppressing high-speed vibration.

An integrated gearbox pump and hydraulic rectifier keep lubricant filtration continuous during drive reversals while reducing wear-prone parts.

A reorientable fan cover and shielding member fit different gearbox shaft positions, cutting custom shielding cost while maintaining cooling.

Machine learning replaces slow CFD to predict compressor blade damage effects, improving gas turbine operability assessment and reducing scrap costs.

Alternating blade frequencies are separated by a localized pressure-side recess, helping compressor rotors avoid flutter and stress overload.

A conical sleeve transfer path and return passage keep rolling bearing lubrication consistent in turbomolecular pumps across orientations.

A clamped buffer between the shaft tube and frame absorbs impeller vibration, cutting fan noise and protecting nearby electronics.

A rotating magnetic field and perfusate thrust suspend the impeller, avoiding bearing friction, thrombosis risk, and blood contamination.

Sensor-based contamination modeling identifies the right turbine engine wash timing and type to preserve performance and reduce maintenance cost.

Radial gearbox placement and segmented bearing support cut core flowpath growth while handling fan thrust and radial loads efficiently.

A helical spring brake and shear pin stop reverse ESP shaft spin during run-in and shutdown, preventing hazardous electrical charge buildup.

A vibration isolator with stop structures and a collar limits pump motion during failures while preserving normal vacuum isolation.

A fin with an embedded lubricant conduit improves bearing housing heat dissipation at high temperatures, reducing wear and extending bearing life.

A flat vane welding section enables projection welding on inclined impeller vanes, cutting pump assembly time, cost, and deformation.

A spherical channel and passive magnetic-hydrodynamic bearing let a blood pump rotor tilt without wall contact, reducing friction and thrombogenicity.

Sensors trigger a statically mounted actuator to lock the low-speed shaft during engine shutdown, preventing windmilling wear without active lubrication.

A carbon-coated bearing element and graphite counter-element cut start-up and shutdown wear in hydrodynamic centrifugal pumps.

A valve switches airflow between adjacent diffuser channels, replacing pivoting vanes to cut wear, part count, weight, and maintenance.

A flexible outer flap region deforms under closing force to compensate for turbine housing distortion, wear, and deposits, reducing wastegate leakage.

A wedge-locked motor adapter secures the downrod by distributing fan weight evenly, reducing wobble, vibration, noise, and loosening.

A metal retainer with resin-filled communication holes keeps high-PTFE lubricity and strength in cryogenic, high-speed bearings.

A fan device uses bridging members to affix circuit boards and metal members without adhesive bonding.

An optical distance sensor measures vane angular position through a reflective target, eliminating thermal expansion errors from mechanical linkages.

Sacrificial material removal from a thrust collar corrects rotor unbalance at high speeds, maintaining structural integrity while reducing vibration.

Independent shroud suspension adjusts radial clearances per stage to minimize friction and wear across varying operating conditions.

A thermo-decoupling pocket isolates the coolant zone from upstream flow areas, preventing unwanted heat transfer while maintaining localized cooling efficiency.

Curved blade portions at specific radial positions mitigate vortex formation, reducing air volume-static pressure drops and acoustic disturbance.

Segmented cup openings channel impeller airflow through the housing gap, reducing motor temperature without increasing fan speed.

A dual sealing member system creates a reservoir to store exhaust water and discharges it outside the housing, preventing motor chamber short circuits.

Local quality inserts reduce surface pressure and wear on turbocharger adjustment rings without increasing weight or material costs.

Segmented inner radial panels with apertures mitigate flow separation at the offtake passage, restoring pressure recovery.

A guide vane ring element features a drilled hole with a convex edge radius to accommodate rotatable guide vanes.

An insulated enclosure protects the fan motor from heated airstreams by drawing ambient air through a duct, eliminating long drive shafts prone to warping.

Shaft-integrated ventilation cools the compressor impeller, reducing turbine-to-compressor heat transfer and improving compression efficiency.

A flexible support structure accommodates epicyclic gear misalignment caused by backbone bending, maintaining torque transmission and extending component life.

A dual labyrinth seal assembly maintains a ventilating cavity at negative pressure to capture leaking oil from the bearing chamber.

A conical gas circulation device uses an impeller to drive flow within a closed circuit.

Segmented double curvature impeller blades resolve manufacturing precision constraints while enhancing hydraulic efficiency.

A composite fan blade embeds stiff fibers in the leading edge to prevent untwisting under centrifugal loads, preserving pitch angle stability.

A fan salt-fog-resistant structure uses a flow guide body to direct airflow along the base seat junction.

Sinusoidal curved turbulators disrupt thermal boundary layers to improve heat transfer while reducing stress concentrations from film cooling holes.

A scooped bellmouth with a directional ramp redirects fan bypass airflow to prevent low pressure area formation.

Integrating compressor cooling with power plant preheaters converts waste heat into feedwater heating, resolving energy loss and efficiency trade-offs.

Axial flow fan mounts circuit board on housing end surface to resolve contradiction between structural complexity and component size.

Runner blade passages drain high-pressure leakage water to the low-pressure side, reducing axial thrust in Francis turbines.

A turbocharger compressor bypass valve redirects airflow to skip the second impeller during high-flow operation.

An integrated annular silencer housing with a surrounding sound-absorbing pad reduces compressor noise through uniform absorption.

Inclined side surface minimizes gas separation in the introduction flow path, maintaining velocity and efficiency during intermediate suction.