Pump Components TRIZ Cases

Curved impeller blades alter pressure gradients near tips, reducing broadband and narrowband noise by 3 to 4 dB compared to conventional flat designs.

A composite airfoil includes a leading edge protector extending chordwise to shield the structure.

Segmenting intake holes across multiple surfaces preserves structural support without narrowing air volume, reducing noise and vibration in compact motors.

Positioning bearings inward while moving pitch change mechanisms axially resolves packaging conflicts without reducing hub structural strength.

Coaxial rail and radial rollers maintain actuation ring alignment across thermal expansion, eliminating functional clearance.

A three-gear pump system uses a floating center drive gear to support high bearing loads.

A rotor blade design featuring a specific pressure side curvature and profile thickness range.

Convex boundary surfaces in the inlet channel accelerate air flow over rotor blades, increasing power output while minimizing aerodynamic drag.

Pump casing uses separate sensor receptacle with straight channels to eliminate lost core tooling costs and ensure accurate line pressure measurement.

A centrifugal fan uses a tapered air exhaust portion to increase outlet pressure and volume.

Fixed geometry inlets choke high-speed airflow to prevent turbine overspeed, eliminating complex variable mechanisms and reducing maintenance costs.

Segmented mounting brackets allow quick fan extraction without chassis disassembly, reducing replacement time from 27 minutes to 38 seconds.

Interleaved direct and indirect bands in a filament-wound core reduce weight while maintaining impact resistance without resin infusion.

Endwall treatment with Venturi throats drives air recirculation to extend compressor stall range and maintain efficiency.

Stage-specific airfoil profiles use precise coordinate values to match local flow velocities, resolving suboptimal compression across operating conditions.

Injection moulding process for fan production avoids weld lines in high-stress blade areas.

Conformal walls apply uniform pressure and heat to complex shapes, ensuring consistent adhesive layers for stronger bonds.

A centrifugal air pump uses a spiral air-guiding wall to direct airflow, reducing structural complexity and improving inflating efficiency.

Impeller wheel outer contour uses two angled lines to optimize assembly alignment while improving pump efficiency.

Integrally formed stator splitter segment guides dual fluid streams, reducing assembly complexity and weight while minimizing flow leakage.

A cooled cooling air system reduces compressor exit temperature via a heat exchanger, enabling higher core gas temperatures and improved propulsive efficiency.

Nesting the motor within the wind wheel's hollow body reduces structural complexity while simplifying installation.

Narrowing internal passageways in rotating fan blades compress air to reduce room temperature, lowering energy costs compared to central air conditioning.

A grooved vane outer shroud recirculates air radially inward toward the rotor blade to manage gas path flow.

Segmented annular walls inject fluid to stabilize the boundary layer, enabling steep slopes and high diffusion without detachment losses.

Segmented airfoils with interlocking endwalls join ceramic leading ends to metal trailing sections, reducing compressor bleed cooling needs.

A downstream rotor arm integrates a balancing cavity with centrifugal openings to expel bearing oil from the turbomachine interior.

Curved partition vents reduce noise while replaceable inserts prevent contamination, extending motor life.

Segmented splitter blades slice and pump debris away from the core engine, reducing ingestion risk while maintaining low-speed fuel efficiency.

A rotor shift device adjusts the centrifugal compressor rotor position relative to static walls using a thrust bearing mechanism.

Facing flat surfaces on the vacuum pump main body and bottom fixing member absorb breakdown torque, reducing the size of the fixing structure.

Segmenting the pump group isolates oil cooling from hydraulic fluid, resolving geometric complexity while maintaining compact vehicle dimensions.

Eccentric arc intermittent oil grooves on the output shaft improve radial bearing capacity and sealing without adding leakage-prone bearings.

Centrifugal pump shaft ends use pivot bearings with Ra≤0.21µm roughness to prevent hemolysis and thrombus formation in blood circulation.

An integral pin merges with the composite body to reduce weight while maintaining structural integrity within tight spatial constraints.

Shaped tool trenches and fills abradable coating defects via access port, reducing service time compared to full strip recoating.

Integrating bearing rings into the stationary support body eliminates press-fitting, reducing assembly complexity and outer diameter.

Inflatable static ring seals block ambient air infiltration at standstill, maintaining system integrity.

A spring damper system rotates an airfoil about its longitudinal axis to adjust pitch angle dynamically.

Transverse press connection between reinforcing ring and rotor disk enables high-speed operation by resolving torsional strength limitations.

Asymmetric blade spacing and a dividing rib fragment continuous sound waves from twin vortices, reducing high-pitched noise in regenerative blowers.

Tapered helical flow guides route air between coaxial radial fans, reducing installation space and cost while achieving high pressure increase.

A curved inlet nozzle features a ring-shaped recessed edge to force turbulent boundary layers.

Cuboid stator design reduces pump height while magnetic coupling eliminates shaft penetration leakage risks.

Segmented aircraft conveying devices allow independent unit replacement, resolving maintenance complexity in confined spaces.

Adding a dedicated blade stage between existing compressor sections secures surge margin against blast furnace fuel composition fluctuations.

Corner grooves on the bellmouth reduce wall resistance to increase static pressure and blower capacity.

Positioning a resonator at high sound pressure locations prevents amplification while maintaining ventilation efficiency.