Specific Fluid Pumps TRIZ Cases

Chamfered or rounded inner edges on blood exhaust apertures reduce shear stress concentrations, lowering hemolysis rates in blood pump assemblies.

Counter-rotating grooves capture rotational momentum from helicoid blades, minimizing NPSHR and preventing cavitation in vertical flow pumps.

Series-mounted pumps share a drive shaft to generate high pressure without complex electrical controls.

Segmented downcomer annulus reduces flow resistance while maintaining steam generation capability through radial and circumferential distributors.

Segmented radial blades and an angled cutter plate grind solids in compact pumps, reducing torque and preventing clogging.

A pump device integrates a cyclone separator to handle operating fluid containing foreign matter.

Cavitation pump unit reduces power consumption and equipment size by converting viscous wastewater into homogeneous fine particles.

A toothed cutter nut and bar assembly shears solid debris at the pump intake to extend component lifespan.

Disposable shim sets precise axial gap between cutter wheel and disc, eliminating skill-dependent adjustment.

Segmented pumping modules with magnetic rotor coupling extend component life by distributing pressure across stages to manage abrasive fracturing fluids.

A centrifugal pump housing uses a single-piece flat cover to simplify maintenance and reduce manufacturing complexity.

A seal-less submersible pump uses a dosing fluid barrier to protect the drive unit from process contamination.

A seal flush system supplies a catalyst-inhibiting additive to reactor circulation pump seals.

A cutting mechanism separates chip crushing from pumping to prevent pump overload and enable continuous operation.

A pumping system uses dynamic minimum torque diagrams to regulate recirculation valves based on real-time operational parameters.

Segmented replaceable teeth shear solids at the pump inlet, eliminating weld corrosion and reducing pressure drop.

Stationary ribs on the front wall prevent liquid rotation in the separation chamber, allowing direct gas discharge and effective liquid recirculation.

Segmented pump rotor vanes create a continuous gap that prevents waste water clogging while reducing pulsation and vibration.

Enlarged impeller gaps and scavenging flows reduce fouling tendencies in heat-sensitive fluid food products, extending service life.

Optimized chromium and nickel content in the plunger material prevents cracking under high pressure, extending component service life.

Segmented five-blade design reduces solid material damage while maintaining pumping efficiency.

Segmented cutting inserts on chopper pump rotors isolate mechanical damage within individual plates, preventing crack propagation and extending service life.

A drainage pump uses a concave surface at the suction pipe lower end to raise drain water via increased surface tension.

A centrifugal pump with optimized chamber diameter accelerates fluid expulsion while minimizing power consumption.

Deflector vanes redirect abrasive particles away from running clearances, reducing erosion and extending component lifespan.

Integrated fluid header provides thermal barrier and active cooling for pump mechanical packing.

Segmented impeller vanes and volute ridges actively expel air from the upstream inlet, preventing air-lock without fluid leakage through restricted outlets.

Undercut particle passages in radial bearings divert abrasive slurry solids, reducing wear and leakage losses in centrifugal pumps.

Radial permanent magnet bearings and magnetic steel provide axial pre-tightening, reducing volume while maintaining stability.

A submerged pump uses misalignment couplers to manage thermal expansion in discharge piping.

Integrating the rotor as a cooling impeller eliminates external fans and coolers, reducing device complexity and weight while maintaining heat dissipation.

A dual-sided cutting assembly with rotary lobes grinds waste particles against a central plate.

Seals with helical grooves convey debris from the impeller side chamber to intake and pressure sides, preventing clogging.

An outer gap in the pump housing filters large particles before they reach the high-pressure stage, eliminating bulky external strainers.

An external rotor motorized pump integrates the motor and centrifugal pump into a single unit without a shaft.

Integrating a helical screw rotor with a rotary cutter resolves flow hindrance from separate macerators, boosting pumping efficiency and capacity.

Variable speed motors and bidirectional blades resolve jamming from thick wastes by adjusting torque and reversing rotation.

Gas generator actuates pitchable blades into feathered position, eliminating heavy counterweights to reduce rotor mass and hub ratio.

Surfactant injection coalesces gas and liquid phases to reduce buoyancy, preventing pump gas lock.

Centrifugal pump design uses cross bracing to optimize fluid intake and exit areas, reducing back pressure in submerged drainage applications.

A pump impeller groove guides debris through a radial channel between the central protrusion and vanes.

Downhole cutting tools grind debris via counter-rotating blades, preventing pump blockages and extending electric submersible pump life.

Axial fluid circulation through a hollow pump shaft rotates with the impeller to transfer heat directly from rotating components.

Radial discharge pipes on the impeller reduce vibration and noise while maintaining high pump-up head and flow rate.

Segmented discharge outlets maintain pressure while preventing inoperability from blockages, enabling comprehensive tank agitation without blind spots.

A centrifugal grinder pump uses a dual-action shredding assembly to disintegrate solid sewage constituents into fine particles.

A variable gear transmission adjusts centrifugal pump rotational speed to maintain fuel discharge pressure.

A submersible pump uses a second outlet to create divergent fluid flow away from the intake.

A passive stopping sealing member uses a fusible support ring to release an elastic pressing ring that blocks the pump shaft gap.