Pump Components TRIZ Cases

A damper seal with variable thickness offsets normal forces to restrain tangential movement in gas turbine blades.

A ceiling fan pipe joint uses a resin layer to dampen vibration, suppressing rattling noise caused by gaps between the connecting bolt and through holes.

Adjusting inner circumference groove depth and width compensates for reduced centrifugal force, suppressing gas backflow and improving compression performance.

Convex backwall curvature reduces bore stress by 30% and deflection by 50%, resolving flat-wall strength limits.

Segmented discrete flanges improve compressibility to resolve the contradiction between vibration dampening reliability and installation ease.

An upstream abradable strip and downstream circumferential groove in the casing minimize blade friction while maintaining aerodynamic efficiency.

A turbine vane plate seal uses an elastic ring compressed by the plate edge to create a leak-proof barrier within a nested groove.

Segmented thin titanium covers adhere via epoxy to prevent detachment while maintaining stiffness.

A vacuum pump stator employs an insulating spacer with a cartridge heater to prevent gas solidification while blocking heat escape to electrical components.

Concave end wall curvature varies the flow channel cross-section to prevent short-circuit currents and reduce stagnation losses in radial blowers.

Segmented power and nozzle assemblies resolve contradictions between continuous operation, usage flexibility, and maintenance convenience.

Reducing the void fraction of open-cell reticulated foam improves ligament strength and mechanical resilience for gas turbine engine fan blades.

Hollow chambers in a fan noise silencer absorb acoustic frequencies through communicating holes, reducing noise without impairing heat dissipation efficiency.

Curved tongue surfaces alter pressure pulse characteristics to avoid resonance and reduce high cycle fatigue of the turbine wheel.

Radial return channels allow gravity-driven lubricant flow to the feed pump, ensuring reliable bearing supply across all orientations.

A turbocharger annular bypass valve uses a rotatable rotor to switch turbine volute configurations between twin-scroll and single-scroll modes.

Optimized blade angles reduce air turbulence in sugar-cane harvesters, lowering power demand and fuel consumption.

Tapered connections between sealing steps allow bundle rollers to roll smoothly, preventing scratches and leakage.

Offsetting the fan blade center of mass from the pitching axis generates opposing torque to reduce centrifugal loading and eliminate heavy counterweights.

A vacuum pump rotor assembly uses a capping part overlapping the rotating shaft to direct gas flow toward the outlet port.

Additive manufactured stator uses interlocking contact surfaces to retain internal shroud segments.

Segmented compartments channel liquid through gaps to remove heat from stator windings, resolving insufficient cooling in high-power wet rotor designs.

Dynamic engine speed control prevents cavitation and balances pressure across multiple facilities while reducing fuel consumption.

Integrating circumferential ribs across injection molding knit-lines strengthens the fan band without increasing airflow losses or noise.

Bearing housing grooves disrupt rotating flow to increase pressure in the wheel side space.

A diagonal flow fan integrates an air guiding ring with a trumpet-shaped end to direct airflow into the impeller.

Recess portions on the first annular member inner edge redirect thermal stress away from critical support holes.

A fan wheel uses rotational inertia to pivot blades and reverse airflow direction without complex mechanical linkages.

An insert molded plastic casing surrounds a metal liner to prevent distortion when combined with piping while reducing manufacturing costs.

Rotation-aligned curved air guide tubes suppress vortex formation to reduce pressure losses and improve cooling efficiency in turbine rotors.

Aligning support struts with the stator assembly minimizes airflow direction changes, reducing turbulence and noise while maintaining structural stability.

An induction coil paired with a capacitor measures air gap variations to detect shaft position without mechanical centering.

Thermal insulation decouples intake and exhaust ducts while a direct-drive fan cools the motor, reducing overheating in compact housings.

Centrifugal force moves extraction oil contaminants radially outward from the thrust bearing, reducing wear and maintenance needs.

Twisted I-beam struts resolve the trade-off between aerodynamic efficiency and structural weight by using segmented web and flange elements to optimize airflow.

Differential surface emissivity on a turbomolecular pump rotor minimizes heat radiation to sensitive equipment while maximizing dissipation to the stator.

Airfoil spokes on the blower wheel enhance airflow distribution, reducing energy consumption and noise.

Optimized stator platform leading edge profile guides airflow expansion angles to reduce leakage flow at the blade root.

A containment casing with a spring member dynamically adjusts radial clearance between the fan rotor and the engine structure.

Helical flow guide vanes tap off air bubbles from the impeller underside, preventing swirling hose formation and restoring pump performance.

Flexible metallic members in the bearing support maintain tight rotor-stator axial clearance while minimizing vibration transmission.

Curved guide cover slots create vortex-like airflow patterns that reduce air resistance and lower motor temperature.

Switching to denser nickel alloys reduces metal leading edge thickness and weight, improving specific fuel consumption without compromising impact strength.

Axial heat exchanger arrangement transfers thermal energy between separate motor and bearing coolant flows, reducing system complexity and manufacturing costs.

Seamless blade-to-disc transitions eliminate notch-induced eddies and stress concentrations, improving efficiency and speed stability.

Alternating composite and metal inserts in a hybrid turbine blade lower weight and stress concentrations without compromising bird strike resistance.

Adding an axial air inlet on the bottom surface compensates for reduced heat dissipation in thinned electronic devices.

A deformable seal reduces exhaust leakage by accommodating thermal expansion and contraction of turbine components.

An axially curved vane in a turbopump passage reduces stress concentrations while maintaining compact axial length.

A labyrinth seal creates a tortuous path between bushing and button portions to minimize fluid leakage in variable vane assemblies.