Pump Components TRIZ Cases

An asymmetrically contoured wall ring in a low-pressure compressor uses a planar zone to separate a main bump and hollow, reducing corner flow separations.

Squirrel cage turbine arrays extract wave energy without deflectors, reducing structural complexity.

A rotor balance adjustment method adjusts individual impeller weights before assembly to achieve precise center of gravity positioning.

Angular profiles on the stator vane platform engage neighboring blades to prevent rotation, reducing assembly weight and manufacturing costs.

Offset outlet duct transitional points create homogeneous film cooling across turbine blade leading edges, reducing coolant air consumption.

Segmenting the endwall into adaptive and common zones eliminates aerodynamic mismatches at platform gaps while standardizing seal requirements.

Stator windings serve as heating elements to thaw frozen pump components, eliminating separate heaters and reducing assembly complexity.

A hollow cylindrical chamber with adjustable dimensions suppresses fan noise frequencies through resonant oscillation.

Deflector fins align bleed air rotation with the rotor, reducing head losses and specific consumption in turbomachines.

Press-fitting an insert into a wall member reduces component count and simplifies assembly while maintaining vane alignment accuracy.

A vehicle fan system uses an object detector and controller to adjust airflow based on detected proximity.

A one-piece outer shell supports multiple annular rows of stator vanes with controlled orientation in an axial turbine compressor.

Asymmetric vane counts and geometric variations obscure downstream leading edges, mitigating foreign object damage risks in aircraft engines.

Spiral wraps with 3.5 rotations match compression ratios to maintain heating efficiency in low ambient temperatures.

A segmented connector bolt assembly secures rotor disks via an anti-rotation flange for compact gas turbine engine construction.

An integrated blower and heater assembly directs heated air through an exhaust port, eliminating manual wiping that risks damaging the vehicle finish.

A fan shut-off valve uses a mechanical linkage to rotate a butterfly element parallel to airflow, driven by impeller thrust force.

Shielded conduits deliver cleaning agents directly to compressor components, eliminating waste from agent bypass through the duct.

Radial deformation of a slotted bushing immobilizes the control ring, eliminating off-centring and wear in variable-pitch vane threaded connections.

A multilayer shim with an elastic intermediate layer distributes contact pressures and damps dynamic movements to prevent bearing surface wear.

A projection portion on the blade pressure surface generates radial gas flow toward the inner periphery.

Radial outlets guide airflow from axial inlets to increase wind pressure and air intake, overcoming heat resistance limits in slim laptop designs.

An integral tip shelf and squealer pocket reduce vortex-induced energy losses without adding rotor mass.

A fan hub pump drives injection air into the flow passage to delay separation and reduce vibration stress.

An inner housing forms channels between the motor and walls, allowing compressed fluid to cool components and recover heat waste.

Segmented air seals optimize cooling airflow distribution across journal and thrust bearings in an air cycle machine.

Mechanical hooks and pins replace high heat welds in steam turbine nozzles, eliminating distortion of the flowpath.

Internal cavity fillers in a composite gas turbine platform provide localized structural support while reducing overall weight.

A centrifugal fan seal rests between the motor mount and housing to provide vibration decoupling.

Laser welding joins hollow aluminum blade halves in radial impellers, minimizing thermal distortion and weight without compromising mechanical strength.

Interlocking fastening sleeves clamp a hairpin-shaped strut to absorb transverse forces and prevent fatigue breakage at mounting points.

Segmented shroud rings direct airflow to reduce noise caused by recirculating air.

Short spring fingers and dowel pins limit circumferential deflection in the bearing housing, preventing distortion under high torsional loads.

Helical fins guide liquid flow in a centrifugal pump chamber to reduce turbulence and improve heat exchange efficiency near the heating element.

Hybrid magnetic and hydrodynamic bearing unit stabilizes rotor position within defined diameter ratios, reducing thrombogenic risk from variable duct geometry.

Centrifugal channel geometry boosts pressure gain while reducing rotating speed and maintenance needs.

A propeller fan blade with specific warping angle distribution stabilizes the tip vortex to reduce operational noise.

Counterbored groove and O-ring seal variable stator vanes to prevent corrosion and maintain angle control accuracy.

An eccentric annular mass member generates inertial force to oppose shaft whirling, enhancing vibration attenuation in bearing devices.

Flange openings equalize pressure waves to eliminate vibrations in gas boiler feed assemblies.

Inductive plasma actuators ionize air to reduce tip clearance leakage and mitigate flutter vibrations in gas turbine engines.

Segmented housing stages convert radial acceleration to axial flow, resolving the contradiction between high fluid velocity and compact device weight.

Removing axial tows from the flange section allows bias tows to conform to larger diameters, maintaining bearing strength and hoop stiffness.

Flexible vanes expand the compressor inlet under aerodynamic load to delay surge at low flow rates without adding actuator complexity.

Bonded abrasive coatings on gas turbine fan blade tips reduce frictional heating, preserving erosion resistant layers and maintaining fatigue strength.

Segmented discharge head design with a flexible intermediary isolates high piping forces from bearing housings, preventing misalignment and vibration.

Movable shutters and specific blade geometries maintain equal energy per octave across frequencies regardless of airflow state.