Pump Components TRIZ Cases

An aerofoil fixture uses independent pneumatic supports to eliminate machining chatter and distortion below 80 microns.

Chemical bonding joins composite turbine blades to housing, eliminating metallic fasteners that cause mass increase and differential expansion.

A self-aspirated flow control system stabilizes fluid flow in centrifugal compressors using suction and blowing holes coupled via a manifold.

Replacing oil lubrication with a water supply system prevents contamination while maintaining high shaft speeds in fuel cell applications.

A blade-stator system with a rotatable stator assembly interlocked to the rotor pitch angle.

A passive axial balancing system uses a secondary liquid flow to exert constant recovery force on the rotating shaft.

Integrating monitoring electronics into the connecting lantern eliminates external wiring complexity and reduces electromagnetic interference exposure.

Cables anchor fan blades to prevent separation during structural failure.

Jointly fastening guide vane supports on a single housing flange reduces component count.

An upstream-facing seal hook mount accommodates flow control features while maintaining thermal barrier coating coverage on the hook structure.

A compliant elastomeric ring mediates between a wear-resistant bushing and bearing carrier to allow limited radial movement.

Extending structural arms axially and circumferentially deflects airflow to induce pre-rotation, reducing axial bulk while maintaining compressor stability.

A sheet metal bearing carrier centers a wet-running motor can via direct surface contact, eliminating complex alignment machining.

Variable stator vanes adjust rotor speed to prevent blade rub conditions while maintaining the high pressure compressor within a safe operating range.

A fan assembly uses a bushing hook and bearing pressure to secure the stator without adhesive.

Internal conductive heating layer warms fan wall rings, eliminating external heater energy waste and high voltage safety risks.

Flared ribs on turbine blade tips restrict gas flow, reducing leakage while preventing tip rubbing during thermal expansion.

Matching thermal expansion coefficients between the impeller and second housing prevents blockages caused by gap compression when delivering heated fluids.

Asymmetric impeller blade thickness resists flow separation at lower flowrates, reducing energy losses.

Segmented cooling cavities with flexible seals reduce compressor bleed volume while maintaining thermal resistance.

Multi-member hinges replace semicircular pivots to resolve stability and angle adjustment contradictions.

Cartesian coordinate values define the airfoil profile, reducing fluid dynamic losses in gas turbine compressors.

Fiber-reinforced thermoplastic housing members join via integrated two-step injection molding to form a robust radial compressor structure.

Beveled bushing sides engage groove edges to prevent wear and perforation, resolving the trade-off between assembly clearance and rotational stability.

Inductance sensor detects rotor temperature changes through magnetic permeability shifts in a ferromagnetic body.

Segmented flow paths between stationary blades enhance heat transfer, reducing motive power for isothermal compression in carbon dioxide cycle plants.

A centrifugal compressor uses a separate cooling oil passage to exchange heat with compressed air without passing through the bearing member.

Varying blade angles in segmented portions resolve non-uniform air intake bottlenecks, reducing noise and increasing efficiency.

Segmenting the inner ring into half-rings with nested bearing bushes resolves assembly stability trade-offs in axial turbo compressors.

Hydraulic pressure chambers balance the biasing force on a cam ring, reducing pump size while maintaining variable displacement capability.

A convex pressure surface region near the hub improves static pressure while controlling power consumption increases from higher airflow rates.

Nesting an annular impeller inside the rotor housing reduces the fuel pump envelope, enabling flexible tank placement in confined vehicle spaces.

Apertured axial compressor vanes blow pressurized fluid to modify flow vectors, resolving inadequate pressure rise in high Mach number flight conditions.

A vane assembly mechanically couples to multiple air movers and assumes positions that redirect airflow from operational units.

Tie rod tethering assembly couples ESP drive shafts to secure components during retrieval operations.

An eccentric positioning jig secures end vanes within grooves, eliminating thermal stress damage while reducing assembly steps.

Segmented rings secured by a resilient clamping ring reduce radial size and ease installation of turbine engine diffuser vanes.

Telescopic upper tube and waterproof gaskets prevent rain ingress while allowing adjustable height for outdoor ceiling fans.

A pre-swirl assembly imparts tangential velocity to cooling fluid using swirl members.

Metal bellows link tubes accommodate casing and stator nozzle alignment changes while maintaining fluid continuity.

An integrated ridge prevents impeller escape while minimizing air discharge obstruction and reducing assembly complexity.

A fan device uses a vibrating conductive blade to generate airflow and corona wind simultaneously.

Segmented arcuate panels accommodate strut thermal growth, reducing stress levels while maintaining structural integrity.

An angular discontinuity in the composite casing profile increases natural frequencies and prevents undesirable vibration modes while maintaining low weight.

A centrifugal compressor integrates gas and liquid cooling lines with a heat exchanger to manage internal temperatures.

A fan motor stopping assembly engages locking mechanisms to halt reverse rotor motion.

Asymmetric annulus gear flange positioning balances axial mesh forces to reduce misalignment, vibration, and noise across varied operating conditions.

Titanium alloys absorb impact energy via alpha-beta phase distribution, improving ductility and ballistic resistance over Ti-6Al-4V.

A non-occluding intravascular blood pump uses a trumpeted inlet and raked-back impeller blades to move fluid.

Spaced light housings and diffusers dissipate heat while ceiling plate intake ports camouflage unsightly air slots.