Pump Components TRIZ Cases

Axial bolts and extraction hole inserts secure the seal support while preventing fretting cracks at the shaft interface.

A compressor scroll redirects inlet airflow through a spiral body where outlet flow crosses the inlet path to maintain aerodynamic performance.

An elastic spring disk seals the wastegate duct in an exhaust-gas turbocharger turbine housing.

A thrust bearing shaft uses segmented internal and external air passages to increase flow area.

A dual impeller pump switches between parallel and series arrangements to adjust fluid flow and pressure characteristics.

Centrifugal blower increases cooling airflow across the cabin air compressor motor to enhance thermal management.

A turbine nozzle with a throat width to vane height ratio of 0.101-0.112 resolves the trade-off between flow control efficiency and aerodynamic performance.

Repositioning the recessed portion outside the lateral plate eliminates blade cutting, maintaining blowout port height while suppressing airflow peeling.

Compressor housing connects to motor compartment for pressure equalization while elevations prevent particle entry.

Varying NACA profile parameters along the radial direction delays dynamic pressure conversion, reducing outlet losses and noise in axial fans.

Structural variations in upstream and downstream mistuned arrays break aerodynamic synchronization to resolve fluttering in aircraft engine compressors.

Friction-based holding device eliminates bulky bolted connections, reducing mass while maintaining radial and axial stability against centrifugal forces.

Nested hollow members with compressible fill materials bridge inter-segment gaps, reducing airflow leakage without requiring costly redesigns.

Merges external feed branches into the housing manifold to eliminate fragile piping and reduce vibration risks during engine operation.

Top-mounted washer fluid pumps use extending pipes to access reservoir bottoms, resolving mounting constraints while protecting motors from collisions.

A sleeve surrounding rotor-side permanent magnet rings decouples them from rotating components, preventing cracking at high speeds.

Movable impeller shrouds and adjustable intake restrictors expand shaft-horsepower range from 110 to 9200, resolving adaptability versus complexity trade-offs.

Radial staging liquid injection distributes water via spoked spray bars to eliminate uneven forcing functions that damage turbine blades during wet compression.

A magnetic bearing control device detects eddy current gap sensor limits to identify the rotor shaft center position.

Replacing hydraulic actuation, the electric motor-driven harmonic drive achieves precise vane control while reducing system complexity and back-driving forces.

Integrally formed openings in a rigid measuring chamber wall part reduce turbulence and improve pressure signal accuracy.

A portable battery backup sump pump kit simplifies installation using integrated check valves and a joint.

Segmented nozzle blade curvature reduces secondary flow losses while maintaining center fluid flow rates.

Turbine output cools return air via heat exchange, preventing bearing failure from excessive heat.

A duckbill-type check valve assembly connects to a bilge pump outlet nozzle to direct liquid flow through an elevated discharge hose.

Inwardly contoured surfaces diffuse incoming fluid within a suction diffuser, eliminating recirculation zones and reducing pressure head loss.

Relocating the dusting hole to a bell-shaped niche under the platform prevents trailing edge cavity enlargement and maintains thermal performance.

Non-radially stacked blades with a lean angle gradient reduce lubricant coking and leakage, improving bearing lifespan in high-speed turbochargers.

A centrifugal rotary machine incorporates a dedicated foreign matter introduction path to capture and remove particles from the impeller-casing gap.

Axial undercuts in circumferential grooves reduce undesired flow phenomena while maintaining off-design performance in gas turbine compressors.

Segmented pump design allows rapid cartridge extraction to reduce maintenance downtime and restore dye-meter productivity.

Fluid injection into the diffuser passages prevents flow separation, enhancing compressor stability without increasing hardware complexity.

A centrifugal blower housing integrates a crossover area and external chamber to absorb interference noise from the fan wheel.

A rotor securing jig constrains axial position using a movable second member abutting a container-mounted third member.

Elasto-plastic blades in the hub absorb vibration energy to dampen resonance frequencies, reducing noise while maintaining structural rigidity.

Transverse partition walls in turbine sealing members prevent upstream movement and block hot air recirculation between radial walls.

Segmented inner housing isolates the seal area while a directional deflector focuses cooling air, preventing leakage from fanning flames.

Solenoid valve actuates bypass valve via leakage channel pressure changes for rapid fluid flow adjustment.

Porous attenuation body with irregular holes minimizes pressure loss and blade excitation while attenuating high-frequency noise.

Segmenting the bearing support into a metal tube and plastic body reduces manufacturing costs and noise by simplifying assembly.

Selective waterproof coating on a fan frame protects the stator while heat dissipation sheets conduct thermal energy away from the motor.

A ceiling fan remote control receiver segments input channels to enable independent wall switch operation for lights and fans.

Recessed channels in hub or shroud surfaces align with working fluid flow angles to enhance coupling, reducing total pressure decay and entropy generation.

Single annular ring fastens duct segments to outer casing, eliminating complex individual hangers and reducing assembly time.

Independent rotating flow indicator element detects viscous fluid movement, preventing costly production line shutdowns from undetected flow failures.

An internal spar assembly secures adjustable blades, reducing component count and simplifying assembly compared to external insertion methods.

An aramid polymer rubstrip bonded to a durable substrate resists ice erosion, maintaining radial clearance and preventing thrust loss.

Serpentine microcircuits cool turbine airfoils to manage local high thermal loads in pseudo-stagnation regions.

Eliminates complex sealing systems by using redirected fluid flow to continuously lubricate the drive shaft, reducing maintenance needs.

A centrifugal blower blade features a negative pressure side inclined portion that guides reverse flows along the surface to minimize turbulence.