Pump Components TRIZ Cases

An elastomeric biasing member exerts axial force on a bushing ring to minimize leakage and vibrations while reducing assembly complexity.

Rotatable connections merge multiple blower bodies into one structure, resolving stability issues caused by independent fan operation.

Planar attachment heels enable pivoting removable fittings, resolving the trade-off between mounting ease and aerodynamic durability in bypass turbine engines.

Varying narrow cross sections and degrees of overlap in a turbomachine blade-row group promote separation-free flow to increase deflection capacity.

Swirling airflow circulates around an annular space between an insert and outer wall, reducing material wear at high temperatures.

A vibration damper structure uses an elastic member between support bodies to absorb fan vibrations.

Acoustic signal analysis detects pump faults using a handheld microphone, eliminating bulky vibration sensors and invasive installation requirements.

Optical tip timing sensors detect fan blade vibrations, enabling active flutter suppression that prevents structural damage and enhances engine reliability.

A variable stator vane uses composite materials for its blade and internal pivot elements to reduce mass while maintaining structural integrity.

Reflexed blades and a localized gap between the cylindrical part of the bell mouth and the outboard edge mitigate turbulence and pressure fluctuations.

Helical electrode motion forms closely spaced overlapping blades, resolving manufacturing precision challenges in miniature gas turbine engines.

Screw pump circulates oil to fan bearings, eliminating grease deterioration and enabling maintenance without removing the assembly.

A tapered pumping station body guides incoming fluid toward the center to homogenize flow before it reaches the submersible pump suction inlet.

Inclined and stepped grooves in the compressor housing guide reverse flows, reducing pressure loss and improving efficiency across a wide operating range.

Alternating composite materials in adjacent stator vanes separate natural frequencies to reduce vibration fatigue and extend service life.

A flat sound damping intake box extends acoustic wave paths through labyrinth structures and insulating panels to minimize noise emissions.

An inclined tongue part reduces noise in a centrifugal air blower by eliminating stagnant areas and suppressing shear turbulence.

Inclined passages in the compressor diaphragm generate passive gas recirculation to eliminate aerodynamic instabilities at low flow rates.

Flexible circuit structure integrates light-emitting elements onto the fan frame, eliminating separate mounting structures and leads to simplify manufacturing.

An asymmetrical double-outlet blower separates airflow into distinct high-pressure and low-pressure channels with optimized cross-sectional areas.

Asymmetric bleed passage deflectors diffuse airflow to eliminate external plenums and reduce circumferential flow rate variations.

A diffuser seal assembly guides cooling air through static and rotary seals while supporting a fairing in a spaced-apart position.

A fan module housing integrates a pivoting lever and locking body to secure the unit within a chassis.

Segmented suction openings with larger upstream orifices prevent flow recirculation and secondary losses in aircraft jet engine compressors.

Blade channels create axial airflow paths that discharge heat from the opposite side of centrifugal fans, resolving single-direction cooling limitations.

Segmented splitter blades create local clearance variations that delay recirculation zones and reduce entropy generation caused by adverse pressure gradients.

Radial vibration spectrum analysis detects incipient surge by comparing maximum magnitude values against predetermined thresholds, preventing compressor damage.

Staged heating and pump duty cycles prevent liquid water from entering the patient interface while ensuring efficient evaporation.

A radial fan rotor uses a double curvature guide surface to direct airflow from axial to radial direction.

Sealing ribs and specific hole spacing create pressure gradients to resolve cooling versus sealing trade-offs in air cycle machine rotors.

Integral projections engage spacer ring grooves to prevent wedging and simplify insertion.

Rotatable drum arrays dynamically expose or cover tip grooves, resolving the trade-off between stall margin and normal cruise performance.

A seal member blocks air current leakage through the hub through hole, suppressing backflow to maintain pressure ratio and reduce power consumption.

A compressor airfoil profile defined by non-dimensional Cartesian coordinates scales to different sizes while maintaining smooth arc connections.

Variable thickness angel wings with contoured tips reduce stress concentrations in turbine backsheets during blade-out events.

A compression washer clamps rotor components while a retaining ring reacts the load, maintaining consistent preload during assembly and disassembly.

Slip-fit pivot pins maintain parallel alignment of the backing plate and shroud during deflection, while protrusions contain debris from rotor failure.

Longitudinal air ducts supply cooling to steam turbine magnetic bearings, protecting segmented metal paneling from thermal damage.

A monolithic impeller with an integrated plain bearing bush eliminates thermal expansion mismatches in water pumps.

Segmented stacking lines reduce bending stress near the hub while minimizing secondary flow loss toward the tip.

Relocating engine ancillaries to the core enables a thinner nacelle, increasing bypass ratio while maintaining structural strength.

Active magnetic bearings suspend the impeller, eliminating shear stress and mechanical wear on blood while maintaining system reliability.

Segmented wire locking portions constrain lateral and perpendicular wire movements, preventing loose wires from contacting the rotating impeller.

Coupling variable vane actuation with secondary flow modulation reduces cooling fluid consumption and system complexity across varying flight conditions.

Shaft-mounted air deflector redirects cooling flow to enhance convective heat transfer and improve bearing reliability.

Asymmetric stay member inclination reduces noise from pressure fluctuations while maintaining stable motor support via direct connector integration.

Molded polymer splice support cores reinforce turbofan fan case ice liners.

A water driven turbine installed in a riser conduit converts hydraulic energy into electricity.