Pump Components TRIZ Cases

Counterweight balancing enables accurate inner cutting of large nozzle casings at higher table speed, reducing centrifugal-force errors and machining time.

Converging-diverging orifices, lifting grooves, and a metal mesh damper cut gas leakage while boosting load capacity and damping.

Discrete circumferential bearing contact stabilizes gas turbine drum rotors under bending and gyroscopic loads while accommodating thermal conditions.

An asymmetric counterbore shifts flange contact toward the inner pressure side to improve turbo-machine sealing and limit permanent deformation.

An integrated axial locating member fixes and locates the bearing in less space, improving shaft rigidity, speed, and assembly precision.

Pivoting inlet blades reduce compressor inlet diameter at low flow, shifting the surge line lower while preserving turbocharger high-flow operation.

Sensor data and contamination modeling predict turbine engine particulate buildup, enabling wash scheduling by actual condition to cut wear and maintenance cost.

Segmented pivoting lamellae let a pump blade compress with low force, then expand into a stable, impermeable surface for fluid pumping.

An integral flange around the pump input shaft blocks debris from the shaft seal while preserving fan-driven cooling in hydrostatic transmissions.

Helical impeller grooves and an annular sealing path maintain bearing chamber pressure differential to limit leakage and reduce seal wear.

Variable iris lamellae upstream of the impeller adjust inlet area to prevent surge and widen the radial compressor map during load changes.

A weakened shaft link and catcher control gear reduction movement after bearing failure, preventing overspeed in a straddle-mounted turbofan.

A shape-changing maintenance tool enters machine cavities, reaches hard spots, and enables in-situ turbine inspection and repair with less downtime.

External locking elements on the flanges protect the bellows during rotor crash while preserving vacuum-tight connection and conductance.

Only the machining area is immersed in EDM liquid, cutting workpiece cleaning time and cost while maintaining precise discharge machining.

A flexible flap plate adapts to turbine housing distortion, wear, and deposits to maintain wastegate sealing with lower closing force.

Adjustable balance weights in a trim balance nut correct assembled gas turbine shaft imbalance without removing material from the shaft.

A high-density inertial disc shifts rotor critical speeds and bending modes, enabling lighter turbomachine wheels to run safely at high speed.

A two-material felt reservoir limits fiber release into the lubricant circuit while preserving bearing lubrication in a vacuum pump.

A target on the auxiliary bearing ring and a fixed sensor detect unintended rotation early, helping prevent lubrication loss and bearing damage.

A one-way clutch in an ESP drive shaft coupling blocks thrust bearing backspin during shutdown or accidental motor reversal, preventing damage.

Surface grooves guide cooling gas across the thrust runner to limit overheating in high-speed foil thrust bearings without added cooling hardware.

An asymmetric oil-guide channel drains lubricant away from thrust collars, cutting mechanical loss and improving turbomachine efficiency.

A plate-shaped pressure loss body in the discharge nozzle raises pressure drop uniformly, improving low-flow compressor stability.

Asynchronous sampling of eddy-current sensor signals reduces phase-shift errors in magnetic bearing rotor position detection.

Impeller and diffuser tuning keeps Mach 1.1-1.3 centrifugal compressors stable over a wider flow range for ethylene and LNG gas service.

Symmetrical support ribs and axial limits stabilize bearing-to-sleeve contact, cutting vibration, machining demands, and assembly cost.

Only one slat is directly actuated, while adjacent slats pass motion onward to simplify iris control, cut parts, and save axial space.

Adhesive fills the motor-impeller gap to create a torsion-proof joint, cutting extra parts, press-fit constraints, and assembly cost.

A fitted column section aligns the shaft and compressor before threading, improving assembly workability and avoiding screw-hole damage.

Forming fan end rings from bent metal strip cuts stamping scrap while preserving structural rigidity and airflow efficiency.

Near-surface microchannels in CMC components improve convection and film cooling while reducing the cooling fluid flow needed.

A split blower housing uses a bearing bushing, elastomer mount, and snap-in structure to support the motor while reducing airflow obstruction.

Multiple circumferential bearing surfaces support alternating radial loads in a dual-flow turbocharger, cutting vibration, wear, and running noise.

Dynamic pressure gaps create an oil film that restrains axial shaft movement, reducing fan bearing noise, vibration, and wear.

Floating ball bearings, elastic support rings, and spring preload balance thermal expansion and vibration loads in high-speed vehicle fluid pumps.

Star-shaped bearing support and an elastomer bushing simplify blower assembly, support the motor, and reduce airflow obstruction.

Hydrostatic shaft support and a balance drum reduce radial bearings, wear, and maintenance in high-pressure process fluid pumps.

A sliding guide tube and centering element align turbine shafts during module docking, reducing coating damage and heavy tooling.

Sloped gutter floors preserve used lubricant momentum for gravity drainage, preventing bearing housing flooding and foaming without a scavenge pump.

A compact aero-thermal model estimates gas turbine parameters in real time, cutting computational load while improving control accuracy.

Threaded vertical and horizontal bearing adjustment corrects fan shaft misalignment from wear in air-cooled heat exchangers.

Rotating bell crank studs replace double-shear vane linkage joints, reducing parts, wear, tolerance stack-up, and assembly time.

Riblets on turbine engine airfoil leading edges limit ice buildup and break shed ice into smaller particles to reduce downstream damage.

A freewheel sleeve in the fan rotor shaft blocks reverse passive rotation, improving sensorless motor starting without heavy brakes.

A rotating gear controller varies fan drive reduction ratio to match engine conditions and improve turbofan propulsive efficiency.

Compressive residual stress in a Ni-P plated aluminum impeller suppresses film cracking under centrifugal and thermal stress while preserving erosion resistance.

A three-part bearing housing supports journal and thrust bearings while containing rotor-failure debris under aircraft pressure and temperature loads.

Pressurized discharge gas cools the magnetic bearing through a bearing gap, preventing condensation that can destabilize the rotor assembly.

A two-direction milling pass forms a pear-shaped balancing mark that removes more material while preserving wheel strength and cutting production time.