Pump Components TRIZ Cases

A floating bush bearing device with a non-circular inner surface creates uneven oil pressure to stabilize rotation.

Variable nozzle heights in a steam turbine diaphragm arc smooth load impulses, reducing blade fatigue and noise generation.

Spiral membrane rotor blades automatically orient to fluid flow, resolving efficiency loss and stability issues in rotating machines.

A centrifugal fan module with a volute frame uses dual air outlets to prevent hot air recirculation, reducing chassis overheating and high-frequency noise.

Segmented radial and axial diffuser sections decouple structural loads, preventing shroud distortion from increasing impeller tip clearance.

RFID tags on turbine rotor blades transmit wireless health data to stationary readers, eliminating costly shutdowns for visual inspections.

Synchronous blade retraction via coupling rods reduces space occupation and prevents wear when the device is idle.

A centrifugal fluid machine uses a biased suppression member to stabilize the high pressure discharge passage area.

Eliminating radial offset between bell mouth intake and inlet shroud prevents vortex formation, reducing noise and improving operational efficiency.

Integrated single housing reduces manufacturing costs and leak risks while maintaining differential pumping capability.

Segmented blade-mounted nozzles produce ultrasonic sound to deter bats across the entire rotor diameter.

Spring-loaded blades deploy radially to augment ram air pressure, enabling rotating detonation engines to initiate at high altitudes and low speeds.

A transverse core arrangement shapes the inlet channel wall to reduce pressure losses while maintaining ease of manufacture in centrifugal pump housings.

Variable orientation vanes modulate the cross section of an air leak passage in an axial turbine engine.

Annular projection and recesses form an interference fit between compressor housing and diffuser.

Impeller inserts define shaped passages within rotor wheel fluid channels to direct compressed air flow.

A roller bearing integrates a sealing element and drainage channel to manage lubricant flow within the vacuum pump assembly.

Wedge mechanism replaces bolts to improve assembly ease while maintaining connection strength.

A hybrid bearing system merges a ball bearing and an air bearing to minimize friction and wear on aircraft ventilation fan shafts.

Axial rotor channels dissipate heat without adding weight or complexity.

A meter plate with flow restriction surfaces regulates cooling fluid distribution across blade outer air seals and engine cases.

A stoppering member prevents inward fan flap movement caused by pressure drops during hot swapping, maintaining socket seal integrity.

Equalized exhaust-gas path lengths resolve chronological sequence disruptions and improve charge exchange efficiency.

Periodic rotor speed variation in a molecular vacuum pump reduces vibration and heat generation while maintaining stable vacuum performance.

Segmented fixed intake channels eliminate swiveling manifolds, preventing coarse impurity entry and stabilizing water flow.

Magnetic variable speed drive mechanism adjusts cooling fan rotation based on fluid temperature.

Reversing core flow direction couples compressor and turbine sections, while shrouds optimize energy transfer between blades.

A blower motor rib features a notch portion positioned near the scroll chamber high-pressure region to manage internal fluid dynamics.

A fan start-up method applies a decreasing drive signal to eliminate noise and energy waste from rotational speed overshoot.

A turbo-molecular pump rotor integrates a stress-releasing protrusion to manage structural loads at the cylindrical body junction.

A multistage pump uses a separating element to divide the pressure chamber into distinct radial and axial regions.

Segmented blades with straight segments and rectangular tabs increase air chamber count while maintaining axle structural strength.

Variable pitch cooling passages adjust airflow distribution across a gas turbine ring segment to match local thermal loads.

Inclined frame sides enable nested packaging for ventilation fans, reducing shipping volume and installation costs.

A sump pump irrigation assembly distributes water through drainage pipes with lateral holes.

A compact cooling apparatus uses a Coanda surface to redirect radial airflow axially along the bearing housing.

A bladeless fan uses a diffusion passage to guide airflow uniformly across the filter surface.

Double axial curvature inversions in the blade stacking line reduce clearance vortex impact and improve compressor efficiency.

Segmented core pins with radial appendages create self-threading apertures while preventing breakage during the die casting process.

Localized reinforcement with specific wall thickness and fillet radius ratios manages high stress in air cycle machine compressors without increasing weight.

A three-position slide valve controls upstream and downstream bleed openings to ensure complete hail expulsion and prevent engine flame-out.

External heat mat softens adhesive layer to remove fan case liner panel without damaging inner surface integrity.

Arc-shaped annular ribs create an air curtain to block escaped airflow and reduce wind noise at the inlet.

Outer diameter nut piloting positions rotating components on a tie-shaft without precise inner diameter machining.

Axial backup bearing placement resolves load capacity limits by enabling larger bearings without increasing pump diameter.

Air-guiding recesses on serial fan connecting elements reduce rotational noise caused by wind shear while increasing wind pressure.

An expander converts exhaust waste heat into mechanical work that assists the compressor, reducing fuel consumption and emissions in remote regions.

A centrifugal compressor diffuser hub features a convex portion protruding toward the shroud wall to reduce boundary layer thickness.

A turbomachine blade airfoil defines a specific throat distribution to reduce aerodynamic loss and improve fluid flow profiles.