Pump Components TRIZ Cases

A gear pump uses a bypass valve opening at lower pressure than the shutoff valve to compress air and purge the system.

Extending impeller blade length while reducing thrust bearing friction loss to resolve the contradiction between pumping capacity and energy efficiency.

A variable-shape inlet guide vane flap uses a flexible portion to dynamically adjust its twist distribution during actuation.

Extends guide vane airfoil radially beyond the rotary plate to shorten gas turbine length and reduce weight while maintaining air diversion capability.

A depth-adjustable electrical box assembly uses a slide plate and screw mechanism to align the fixture rim flush with the ceiling surface.

A centrifugal fan wheel uses telescoping blades that extend or retract to adjust surface area.

Detecting rotor orientation via magnetic sensing allows pulsed power adjustment, preventing mechanical stress during start-up.

Oblique crossover holes and turbulators introduce pressure losses to reduce coolant flowrate, enabling larger cast features that resolve ceramic core damage.

Deformable locking element secures rotor on shaft, eliminating thermal joining heat input and enabling easy repair.

A wind power generator uses adjustable buoyant tethers to drive a revolving element via horizontal fluid currents.

Phase-shifted carrier sampling isolates noise components from control currents to resolve signal delay trade-offs in magnetic bearing levitation.

Nonuniform clearance in a fan orifice reduces ice bridging by varying blade-to-surface distance.

Dual outlet ports in a centrifugal fan bypass obstructions to cool hotspots without increasing housing size.

An adjustable guide vane nozzle ring uses a gear screw mechanism to alter channel widths, enabling continuous operation without shutdown for varying flow rates.

Negative leading edge dihedral along the span reduces propulsive losses and flow discontinuities in high-speed fan operation.

Relief slots concentrate stress in high strength areas of the ceramic shroud, preventing failure from uneven thermal expansion.

Segmented shaft diameters reduce bearing load while a refrigerant flow path cools the casing during high-speed operation.

Separable rotatable securing ring aligns bolt holes for assembly while using cheaper carbon steel to reduce production costs.

A bearingless motor uses electromagnetic fields to levitate and drive a rotor without permanent magnets.

Enclosed annular chamber recirculates air through ventilation conduits to prevent debris ingestion and hot gas discharge while maintaining surge margin.

A corner-shaped insert covers the blade tip and intrados face to protect against markings while restricting weight increase.

Non-planar bearing retainers and integrated flow paths reduce hardware complexity while controlling lubricant temperature.

A centrifugal pump volute casing features a cutwater with a specific cross-sectional contour to minimize local velocity peaks.

Segmented impellers on a shared shaft self-adjust flow through an open waterway, preventing cavitation and enhancing lift pressure.

Twisted variable inlet guide vanes reduce vortex whistle noise by optimizing swirl profiles at the rotor entry of a gas turbine compressor.

Segmented compressor wheels in a truncated conical housing reduce heat and noise while maintaining high compression efficiency.

Silicone cover bridges the gap between fixed and rotatable airfoil portions, preventing air leakage while accommodating camber variation.

Heat insulating members cover uncovered cooling surface regions to prevent dew condensation on vacuum pump substrates.

Integrated heat shield in turbocharger bearing housing reduces exhaust gas energy loss and prevents overheating while lowering manufacturing costs.

Segmented passages with varying cross-sectional areas separate bubbles from oil, preventing leakage into the speed increaser chamber.

An integrated electric supercharger housing combines the motor inverter with the motor to minimize current loss while stabilizing rolling bearings.

Hybrid composite fan blade architecture incorporates braided plies and z-pins to reinforce structural integrity against impact loads.

Compressor bleed air cools the catalyst upstream, reducing packaging size and manufacturing complexity.

A fan frame with a curved rearwardly extending section guides air flow smoothly around the engine.

A ball and socket fan mount uses a conical socket to secure the assembly while allowing rotational freedom.

A tie bolt seal assembly guides fluid leaks to a detector.

A spoked rotor assembly channels secondary airflow through radial passages to cool adjacent components and reduce thermal gradients.

Gas-tight encapsulation protects magnetic bearing parts using welded protective walls on rotor and stator components.

Removing stator vanes grants direct access to internal balancing rings, enabling weight repositioning without extending engine length.

Segmented sealing components manage thrust loads and prevent debris accumulation, resolving efficiency losses from water recirculation.

Merging feedthrough insulators into motor housing flanges eliminates ferrule welding, reducing device diameter while maintaining corrosion resistance.

A resilient positioning member presses turbine ring segments axially against the casing to maintain alignment.

Segmented PTFE liners in a cylindrical housing accommodate thermal expansion, preventing diameter changes that destabilize limited rotation.

Axial slits in the fan cowling interrupt vibration waves to reduce noise while maintaining structural rigidity.

An integral fan with inclined guide surfaces and hub slots directs air around pulleys to cool obstructed hydrostatic transmission areas.

A high-pressure turbine vane airfoil profile defined by Cartesian coordinates prevents flow separation in harsh thermal environments.

Profiled segment ends joined by elastomer compensate for misalignment at junctions, maintaining aerodynamic flow characteristics.

A rotary shaft flange provides a perpendicular reference surface for precise impeller mounting.

A rotary engine shroud features an inner spherical surface that rotates with the rotors to minimize lubricant leakage.

A gas turbine shroud tile repair method secures replacement side rails to the component using a controlled brazing process.