Pump Components TRIZ Cases

A movable impeller shroud variably occludes an exhaust diffuser in a radial-flow turbomachine, expanding the power range of fluid-type absorption dynamometers.

A fan module guiding plate rotates via a torsion spring to obstruct empty vents and maintain airflow paths.

A blower wheel central part features a cylindrical wall that attaches directly to an external rotor motor.

A shroud assembly pivots radially outward upon rotor blade contact to minimize clearance gaps without pneumatic systems.

Nesting vibration-damping elements inside the stator resolves the trade-off between effective noise reduction and compact axial installation space.

Alternating inclined and reverse blades skew pressure pulses, reducing noise while maintaining injection moldability.

Integrated one-piece housing and winglet vanes resolve manufacturing complexity while reducing noise and improving static efficiency.

Porous insulation prevents convective air flow to cut thermal losses and reduce material volume.

Axial fan conveys heat from stator windings through base wall projections, resolving insufficient thermal dissipation in sealed automotive motors.

An annular manifold reinjects air to prevent compressor surge without extending turbomachine length.

Replacing axial air bearings with a magnetic bearing device eliminates high friction losses while maintaining shaft stability for efficient gas compression.

Interlocking resin protrusions and cover grooves eliminate screws, reducing manufacturing costs while preventing fluid infiltration into the stator.

A bladeless fan assembly directs air through a nozzle with a Coanda surface to create smooth airflow.

Optimized hub diameter ratios reduce system resistance while maintaining high air speed and debris lifting capabilities.

Forward sweep on radially inner stator vanes reduces secondary flow momentum deficits and improves stall range without increasing device complexity.

Curved impeller shrouds join blades via protrusions deformed into thermally caulked parts, resolving welding quality versus productivity trade-offs.

A monolithic annular shim disk with circular orifices reduces stress concentrations by up to 50% compared to segmented shims.

Perforated cones diffuse airflow and absorb sound waves to resolve noise complexity trade-offs at low flight speeds.

Thrust-free compressor end shaft design eliminates start-up friction by balancing axial loads through symmetric flow paths without diaphragm valves.

Lever housings and omni-louvers in the fan frame manage segmented airflow paths, resolving heat dissipation issues in high-density computing modules.

A rotatable off-take passage increases static pressure and tangential velocity of compressed air for cooling rotating components.

Continuous air outlets direct flow from pressure to low-pressure sides, resolving insufficient convective heat transfer in electric fans.

An offset flow duct guides airflow onto the motor housing, improving cooling under high back-pressure.

Centrifugal pump assembly integrates a movable valve element actuated directly by fluid flow friction forces along the wall.

A vehicle oil pump uses a high-strength plate between the rear cover and pump body to form the chamber.

A rotatable locking unit secures fans within a housing using a resilient member.

A porous trench structure meters cooling fluid flow through its material to cool turbine engine airfoils.

A universal mounting interface joins small and large motor drives to one inner pipe, reducing component variability while maintaining fan efficiency.

Segmented vacuum and pressure stages boost fiber volume while reducing porosity below two percent.

Dynamic clearance adjustment reduces leakage and mechanical interference while minimizing axial thrust on thrust bearings.

Segmented mounting elements allow post-upholstery installation, preventing hammer damage during upholstery.

Alternating upper and lower blades on a fan impeller hub create continuous airflow pressurization.

Segmented fiber blank weaving reduces yarn breakage during fabrication of composite turbine engine vanes with integrated functional elements.

Seal leak, rain, and run-dry sensors detect pump faults to trigger automatic motor shutdown.

Discontinuous electron beam welding of segmented stator blade rings prevents thermal deformation by allowing heat dissipation between weld operations.

A septum-tied tube pack merges multiple small diameter tubes into a single non-round conduit.

Segmenting the rotor casing liner into replaceable units eliminates the need to adapt the rotor during maintenance, reducing downtime.

A fan frame assembly uses sliding engagement parts to connect two frames without screws.

Blades with inflection points in their pitch angle profile reduce secondary flows at the root and head, enhancing aerodynamic performance and acoustic efficiency.

Toroidal cavity imparts tangential velocity to bleed air, centrifuging particles radially outward while reducing pressure loss and device complexity.

A blower attachment uses inclined plates and fins to define air channels for debris expulsion.

Tapped air flows through a heat exchanger to cool the compressor hub, reducing rotor temperatures by 10°C and extending life.

A centrifugal fan impeller integrates a board housing portion to accommodate circuit boards within the casing structure.

A water pump uses a buoyant closed chamber to maintain surface position, preventing mud burial and impurity ingestion.

Curved support vane edge reduces turbulence and eddy generation, achieving 22% lower noise levels compared to conventional straight-edge designs.

Longitudinally and transversely spaced sensors measure blade tip clearances to enable real-time thermal control air modulation, preventing unstable rubs.

A solenoid-actuated pump modulates power through distinct activation phases to deliver controlled water volumes in drip-feed humidifiers.

Crowning creates a localized radial gap between the membrane and housing to buffer manufacturing tolerances, ensuring consistent delivery volume flow.

A nozzle trailing edge tilts to redirect discharged airflow away from tunnel surfaces, enhancing longitudinal thrust.