Pump Components TRIZ Cases

Metal structural reinforcement fins maintain a nonzero assembly space on composite turbine engine blades for precise adhesive bonding.

Varying the flow element axial height reduces noise while maintaining air flow productivity.

A fully vaneless diffuser minimizes condensation risk while the large inlet radius stabilizes operation near the critical point.

Internal axial locking prevents bearing damage during subsea installation by applying thrust via a pressurized fluid system without external shaft access.

A counter-rotating axial-flow fan housing uses segmented engaging members and stopper portions to distribute force evenly across the coupling interface.

Radial mold release direction resolves productivity bottlenecks from complex centrifugal compressor impeller geometries while maintaining performance.

Welding a cylindrical insert into the compressor outlet housing restores the journal bearing support sleeve, avoiding expensive full housing replacement.

Carbon fiber reinforced plastic fan blade passes current through energizing units to generate heat for de-icing.

Optimizing cooler flow resistance ratios reduces pressure loss and allows downsizing of the rotating electrical machine without degrading thermal management.

A multistage turbocompressor system integrates a dedicated compressed air-moisture separating unit to extract condensed water from the gas stream.

Abradable material coating on stator vane tips minimizes airflow recirculation and prevents rotor damage from excessive rub interaction.

Curved camber vanes in a centrifugal compressor diffuser align airflow to reduce radial velocity, stabilizing flow within a compact radial envelope.

Curved parting lines between segments increase flow resistance, preventing efficiency losses from axial leaks.

A high pressure compressor rotor stack uses a bore basket internal passage to direct fluid flow through hub structures and an anti-vortex cavity.

A porous alumina nanopump uses electro-osmosis to transport fluid through nanochannels driven by a DC electric potential.

Segmented metal sheet bonding enables complex centrifugal fan blade shapes while minimizing flow resistance from welding beads.

A segmented lattice framework with removable cowling panels separates structural support from aerodynamic surfaces in turbomachine casings.

Segmented compartments with nested seals prevent dust and water ingress while maintaining manufacturing simplicity.

Removable blade tips allow factory pre-balancing of ceiling fan blades, eliminating installation wobble and improving operational stability.

Absorption isolates ammonia from sour gas, enabling catalytic cracking to recover 99% pure hydrogen without complex plant modifications.

A collapsible hemodynamic assist device rotates internal blades to circulate blood without open-heart surgery, preserving cardiac recovery potential.

Tapered volute portions expand the flow passage sectional area to increase fluid flow rate while preventing interference with the pump casing.

Equalization plenum balances pressure across diffuser inlets via discrete passage slots.

Curved cooling passages direct air along the airfoil contour to reduce tip temperature while minimizing the number of discrete film holes required.

Recessed drivers capture solids to seal gaps, reducing backflow and wear while maintaining pumping efficiency.

A linked-type thread groove spacer uses a countersunk hole to secure fixing bolts without protruding into the exhaust channel.

A water-cooling thermal dissipating system uses a controlling module to monitor working states and manage heat dissipation.

A process fluid lubricated pump uses balance drums to stabilize the rotor shaft and reduce mechanical wear in subsea environments.

Dual injection streams deliver atomized lubricant and cooling fluid concurrently to maintain bearing temperature and prevent wear.

Vibration sensors detect transition region oscillations to predict wear and reduce energy costs caused by inaccurate manual performance estimation.

Axial grooves in the motor impeller housing channel foreign objects away from rotating blades.

A semi-floating bearing uses a thrust back surface portion to direct lubricating oil for cooling.

An annular collar on the tie rod engages disc members to improve vibration mode margins without adding springs.

A stator blade assembly with release means prevents internal leaks and maintains even blade heights.

Defined by Cartesian coordinates, the optimized turbine vane profile reduces turbulence and distributes mechanical stresses evenly to extend component lifespan.

A centrifugal pump controller adjusts rotational speed using inlet and outlet pressure differentials to maintain a target flow rate.

A wet rotor pump assembly employs a bearing retainer to centre the rotor can, resolving coaxial alignment trade-offs while minimizing fluid leakage gaps.

A thirteenth stage compressor stator vane airfoil profile uses precise Cartesian coordinate values to define suction and pressure side geometries.

A single-vane impeller integrates a high-density support body within the polymer structure to stabilize rotation.

Pressurized cavities in seal housings maintain pressure differentials that prevent hot gas ingestion and cooling air leakage through segmented vane gaps.

Externalizing the motor eliminates aerodynamic losses from internal components while magnetic coupling transmits torque across an air gap.

Segmented sound blocking bars reduce high-speed fan noise interference on hard disk drives while preserving thermal dissipation through narrow gaps.

A nacelle flow control mechanism uses structured porosity to enable airflow communication between exterior and interior surfaces.

An abradable shroud piece in a centrifugal compressor prevents foreign matter entry through split surfaces while reducing the gap with the impeller.

A composite airfoil assembly uses a three-dimensional woven inner support structure surrounded by a laminate overlay to enhance structural integrity.

A flow guide device redirects radial blower output into axial flow using a tapered inner diffuser.

An annular reverse flow guide device with air guide fins mixes swirling reverse flow with main slot flow, reducing noise from vortex interference.

Integrating the stop ring into the shaft transition area reduces axial length while maintaining seal reliability.

Axial rotor shifting adjusts seal tooth alignment against stepped stator surfaces to optimize turbine bucket tip clearance.

A compliant adhesive layer with interruptions attaches a metallic liner to a composite fan case structure.