Specific Fluid Pumps TRIZ Cases

Magnetic and hydrodynamic suspension stabilizes the impeller in a rotary blood pump, eliminating mechanical seals that cause thrombosis.

A nuclear main pump shaft seal water injection system uses a bypass pipeline and pressure sensor for real-time monitoring.

Bracket-mounted grinder pumps with shaped cutter plates direct flow away from components, reducing vibration and clogging.

A partition wall isolates the bearing from slinger heat, preventing propellant vaporization and ensuring reliable cooling.

An open conical impeller mounted on a magnetic structure reduces blood cell destruction and clot formation while simplifying gas bubble exhaustion.

Electronically commutated pump motor uses processor-based speed control to adjust power consumption dynamically.

Varying vane angles disperses particle concentration gradients via Coriolis forces, reducing localized wear at the vane root.

An integral pressure relief valve within a fuel pump cartridge routes discharge flow directly to the impeller inlet.

A submersible pump uses a gravity-held closure member to retain liquid within the housing for reliable priming.

Placing the reactor coolant pump at the mid-flange region avoids vessel penetrations that increase loss of coolant accident risk.

Tapered impeller blades with non-zero rake angles prevent solids adhesion and maintain hydraulic efficiency in wastewater pumps.

An obtuse-angled stator transition and variable-thickness scraper minimize material buildup and pressure spikes, enabling safe pumping of liquid explosives.

Flame arrester element prevents spark ignition during early leak detection, enabling safe pre-maintenance in explosive environments.

Segmented casing with replaceable wear ring absorbs abrasive particle impact, maintaining hydraulic clearance and extending service life.

An internal tension rod applies compression to a refractory outer core, enhancing impact resistance while reducing material costs in molten metal processing.

A centrifugal pump regulates fluid entry state using upstream compressors and heat exchangers to maintain stable real gas factor values.

A submersible pump system generates high-pressure jets using waste water for container cleaning.

Wing vanes extending beyond the disc pump outer diameter minimize eddy currents and reduce wear when pumping slurries.

Varying cross-section cavities in diffuser blades create homogeneous fluid suction, preventing flow separation and compressor stall.

A compact module combining a mechanical seal and bearing for quick replacement in centrifugal pumps.

Axial protrusions on cutter blades redirect and break up fibrous material, preventing obstructive nest formation in centrifugal grinder pumps.

A wastewater pump control method analyzes motor current slope and curvature to detect impending blockages before mechanical resistance increases.

A centrifugal pump integrates a cutting insert within the impeller hub to shear solid waste materials during rotation.

Axial flow pump circulates liquefied gas via a recirculation circuit and atmospheric heater, resolving pressure drops during transfer.

Serrated impeller geometry reduces pressure variance at low flow rates by imparting momentum through turbulence, eliminating stability valves.

Downstream control chokes proportionally regulate drilling mud flow rates to prevent formation fracturing caused by excessive hydrostatic pressure.

A thermally actuated shutdown seal constricts against a rotating shaft using expanding material to block coolant leakage.

A tapered hub impeller generates a prewhirl effect to maintain laminar flow in bioreactors.

Spiral grooves on the pump housing bottom wall redirect abrasive particles away from the impeller clearance to reduce wear and prevent clogging.

Pressure-controlled shaft passage diverts discharge fluid to displace gas pockets, preventing overheating during constant-speed operation.

A fiber reinforced polymer composite fan casing incorporates nanoparticles to absorb impact energy through controlled particle-resin separation.

A biodegradable suspension forming composition and dilution apparatus mixes and delivers uniform firefighting chemical dispersions.

Single casing combines suction, degassing, and drying stages to handle varying gas/liquid proportions.

Segmented scraper protrusions on the impeller back side remove deposited material, reducing friction and energy consumption in high dry matter applications.

Hardened silicon carbide blade tips on a graphite rotor resist dross wear and prevent breakage in molten metal pumps.

A multiphase magnetic stator adjusts commutation angles to maintain impeller centering within a centrifugal pump chamber.

Submerging the first stage impeller below the device surface suppresses cavitation without adding booster pumps, reducing facility costs.

A submersible pump seal section uses a stationary sand barrier and diamond-coated hydrodynamic bearing to prevent sand contamination and cool bearings.

Valve timing overlap mixes high-pressure clear fluid with low-pressure slurry, reducing abrasive wear on pumps and pipes.

Autonomous inflow control device separates gas and liquid using centrifugal forces to prevent electric submersible pump gas locking.

Elongated vortex chamber moves molten metal via shaft-driven impeller rotation, reducing turbulence and clogging in refractory furnace applications.

A passive shutdown sealing device uses a split sealing ring and elastic piston to stop primary coolant leakage without external power.

A coolant pump circulates fluid around the stator, rotor, and control circuit within a single housing.

Pivoting blades on the rotor cut clogging fibers during reverse rotation, maintaining hydraulic output without complex motor control.

Segmented blade sections maintain tight housing clearance to prevent blockages while reducing eddy formation and energy loss.

A control unit monitors motor current to adapt pump cleaning sequences based on real-time load conditions.

Optimized cutwater geometry and axial impeller displacement allow solid matter to pass undivided, preventing clogging and maintaining pump efficiency.

A rotating inverse conical body pumps liquid via centrifugal force.

Magnetic coupling pump unit prevents permanent magnet demagnetization above 350 degrees Celsius by relocating magnets to a cooler outer rotor.

Laser cladding bonds diamond particles within a copper-tin-titanium matrix on ferrous substrates.