Specific Fluid Pumps TRIZ Cases

See how balance through holes in an impeller equalize pressure, discharge air, and reduce vibra

See how nesting the pump arrangement inside the heat transfer fluid container contains sodium l

See how a flapper valve in intermediate positions controls fluid mixing ratios upstream of the

See how periodic motor stopping and directional reversal during speed-up removes drain-channel

See how a vacuum grinder with integrated pulverizing pump removes and disposes of accumulated p

See how dual heat absorption heat exchangers and a controllable ejector optimize refrigerant fl

See how a detachable heat-insulated lid structure and segmented outer tank enable pump extracti

See how a detachable heat-insulated lid structure enables pump extraction without breaking the

See how a dishwasher impeller cap with integrally formed blades chops particles to prevent pump

See how a magnetic coupling between drive and pumping modules enables cryogenic circulators to

See how columns surrounding the water inlet intercept hair and fibers before they enter the pum

See how a shaft shield part extending from the suction hole edge prevents foreign substances fr

See how a rotor-based air mixing nozzle reduces septic pumping time from 60 to 24 minutes by ae

See how a glass-fiber reinforced impeller with elastomeric coating protects against foreign-obj

See how an annular groove and impeller extension prevent hair and fiber accumulation on the dri

See how integrating chopping blades into the impeller cap breaks down debris before it enters t

Dual heat absorption exchangers and an ejector split and recombine refrigerant flow to improve cooling capacity with controlled enthalpy management.

A shaft shield and screened suction path keep lint and foreign matter from clogging a clothes dryer drain pump during filter cleaning.

A modular permanent magnet synchronous motor improves bearing life, variable speed control, and serviceability in cryogenic submerged pumps.

Induction heating in an axial flux pump motor warms the rotor directly to thaw frozen urea or water solutions while preserving fluid conveyance.

A protected pump and pipeline route seawater up the tower to the electrolytic unit, cutting hose damage and easing offshore maintenance.

Differential thermal contraction in inner and outer sleeves keeps direct-drive pump magnets compressed, preventing cryogenic cracking at high speed.

Direct rotor induction heating thaws frozen urea or water fluid in a pump assembly while preserving controlled pumping operation.

An integrated electric pump, transformer, and generator layout delivers diesel-class fracturing horsepower with lower emissions and faster rig-up.

A vent pin creates a flame path that equalizes pump enclosure pressure, blocking moisture ingress and corrosion in explosion-proof operation.

A removable melt flow passage body cuts metal melt pump downtime and replacement cost while maintaining stable furnace-bottom operation.

A removable melt flow passage and heat insulating hood cut wear-related maintenance cost while sustaining metal melt ejection and magnet protection.

A glass fiber hermetic cover isolates the motor rotor from liquefied gas, preventing high-speed deformation while preserving pump reliability.

Independently controlled submerged pump stages maintain pressure and flow as liquid level drops, reducing cavitation and boil-off losses.

A polarity-agnostic current transformer detects motor insulation leakage before operation, enabling early failure alerts even with improper outlet wiring.

Non-bonded coil layers and shrink-fit spools cut cryogenic thermal stress while preserving electrical and magnetic performance.

Gas-pressure control, hydrodynamic lubrication, and radiative cooling keep a brittle-material circulation pump stable and cavitation-resistant at high temperature.

A hydrodynamic radial bearing and coreless drive coils let a centrifugal blood pump deliver torque while easing startup and maintaining impeller centering.

Multiple integrated motor-pump stages vary impeller speed to deliver LH2 head while avoiding cavitation, NPSH exceedance, and resonance.

Gas pressure in the pump chamber stays above the cavitation threshold, helping a brittle-material circulation pump move hot liquid tin reliably.

A ribbed-to-smooth housing seal removes elastomer gaskets to prevent leakage and fluid contamination in high-temperature centrifugal pumps.

Torque-triggered reverse and forward pump cycles clear wastewater debris early, cutting blockage downtime, maintenance, and power waste.

A hydrodynamic radial bearing and ceramic plate keep a magnet-driven blood pump centered while reducing startup friction and axial attraction.

Helical main and splitter blade geometry helps cryogenic pump inducers resist startup fracture, sustain pressure, and handle low-level two-phase flow.

Movable contacts let the power cable stay inside the pump column, reducing cryogenic cable damage, handling work, and maintenance cost.

Recirculated gas injected into the motor air gap replaces barrier fluid, reducing drag losses, simplifying subsea pumping, and improving efficiency.

Permanent-magnet coupling replaces shaft contact in a rocket fuel pump, stopping fuel leakage and extending long-duration engine life.

Stator-tooth magnets and a magnet-free rotor enable angle-independent radial force, lowering slip losses and simplifying blood pump position control.

A removable motor housing, LED lighting, and a self-supporting stand help this portable pump run reliably in dark, dirty, and unattended use.

Solid copper bar windings and active magnetic bearings let a canned molten salt pump run at high temperature without dynamic seals or magnet failure.

Dynamic models and a Kalman filter estimate blood flow, pressure difference, and viscosity from pump signals without separate sensors.

A vent pin creates a controlled flame path that equalizes pump enclosure pressure and limits rain-driven moisture ingress.

Uneven pressure loss near the scroll nose is corrected by enlarging the second opening section, improving impeller airflow without increasing blower size.

Detects motor insulation leakage while the motor is off using polarity-agnostic wiring and test switching, enabling early failure alerts.

Motor temperature gradients adjust oil pump speed to limit oil scatter at the coil and improve drive motor cooling efficiency.

High-resolution commutation helps a low-voltage brushless DC motor deliver strong starting torque and stable pumping under variable loads.

Segmented sleeve and cone bearings improve blood washing and lubrication to reduce clotting and hemolysis in blood pumps.

Grooved sleeve and cone bearings improve blood washout in pump bearing regions, reducing stagnation, thrombosis, and hemolysis.

Fluid-pressurized seal cavities and internal lubrication channels protect pump shafts from infiltration, uneven loading, and downtime.

A threaded protrusion and bore let broken rotor shafts be unthreaded or chiseled out more easily, reducing coupling damage and repair time.

An inclined peripheral rim creates turbulent flow that moves slurry impurities away from the sealing interface, reducing wear, leakage, and water use.

A threaded protrusion and matching shaft bore let broken rotor shaft ends be unthreaded more easily, cutting coupling damage and maintenance time.

An inclined peripheral rim agitates slurry liquid to create turbulence and centrifugal deflection, keeping impurities away from the sealing interface.

A bellows seal follows lift shaft motion to contain residual liquefied and vaporized gases during submerged pump maintenance.

Integrated helical cooling channels protect centrifugal pump shaft seals from hot-fluid heat while keeping leakage low and the pump compact.

Redirecting pump exhaust gas into the outlet chamber generates compressed air foam without separate mixers or proportioners, cutting leaks and cost.

Modified sleeve and cone bearings wash blood through impeller support regions, reducing stagnation, thrombosis, and hemolysis.

Multiple seal stages split pressure drop while rotor-accelerated coolant controls velocity, reducing wear and leakage in nuclear pump seals.

Removable inner and outer liner sections let slurry pumps replace worn areas without breaking the inner seal, reducing downtime and casing damage.

A dip tube filled with motor lubricant shields the seal section check valve from well fluid, preserving pressure equalization in submersible well pumps.

Opposed axial channels create low-resistance circular flow that limits magnetite buildup, limescale precipitation, and pump shaft blockage.

Micrometer-scale bearing adjustment sets a reproducible rotor gap in rotary blood pumps, reducing thrombogenicity risk and manual setup complexity.

Opposing axial channels in a wet-running pump bearing retainer create circular flow that bypasses the lubrication film and limits limescale and magnetite buildup.

A snap-action bi-stable valve controls enclosure venting, preventing unintended opening while simplifying hose orientation and part count.