Pump Components TRIZ Cases

An arcuate section and a logarithmic spiral in the scroll compressor wrap increase suction volume by 15.6% while preventing wrap damage during high compression.

Asymmetric fan blade design generates downforce flow to dissipate heat from high-performance electronics while minimizing noise levels.

A centrifugal blower rectifying plate with an inclined surface enlarges the flow passage area to improve static pressure performance.

Varying wall thicknesses in the bypass passage withstand high pressures while minimizing overall compressor housing weight.

Hollow regions in the vacuum pump housing channel cooling gas to lower component temperatures, eliminating complex external water or air coolers.

A fan housing mounting assembly uses a pivotally connected mesh plate and spring to present modules for removal.

Relocating sealing points to a stationary shaft eliminates complex internal ducts and simplifies seal replacement.

An adjustable deflector in a ceiling fan redirects air from an annular outlet to improve circulation while reducing noise and vibration.

Rotating convergent housing prevents cavitation and motor locking during no-flow conditions by maintaining internal fluid circulation.

A bladeless ceiling fan uses an airfoil and conduits to direct airflow through an interior passage for efficient ventilation.

Segmented rotor and stator sections in turbomolecular pumps adjust vacuum performance through modular assembly configurations.

Side-by-side propellers create a wide, shallow current to reduce turbulence and energy consumption in swim spas.

Radial inlet and exhaust bore placement creates a pressure differential that circulates fluid through the housing, eliminating the need for external fans.

Reducing oil levels below bearing centers eliminates immersion heat while splash lubrication maintains reliability for up to 60 months.

Relocating the seam away from high-stress zones improves fatigue strength and rigidity while maintaining lightweight construction.

Vertical offset between the outlet port and rotor blade gas exit stops broken fragments from entering the exhaust, reducing downstream damage risk.

A sliding sleeve intake section switches from a filtered path to an open position when clogging occurs, maintaining flow rates in abrasive wells.

Axially movable fan nozzles adjust bypass flow area to resolve cruise efficiency versus engine-out reliability trade-offs.

Downstream blades on a magnetic hub generate mixed axial and centrifugal flow, eliminating the need for an aft stator to reduce device complexity.

An aluminum motor casing with an oxidation-resistant coating conducts heat to the pumped liquid.

Asymmetric outlet geometry with curved ejection ramps flushes solids early, preventing jamming and reducing wear on rotary piston pumps.

A turbo-molecular pump power supply unit uses a regenerative braking resistance to heat internal components and prevent moisture accumulation.

Inlet vanes shift position based on flight conditions to divert hail and ice, protecting low pressure compressor stages.

Segmented tip notch with shelves and plateau directs cooling fluid to the airfoil exterior surface.

Wind compressors redirect airflow to create a Venturi effect, increasing wind velocity and force on turbines while reducing friction via magnetic levitation.

A turbine engine part with non-axisymmetric surface fins guides airflow around obstacles to reduce pressure losses.

A composite gas turbine blade joins carbon fiber reinforced metal matrix sections to pure metal cooling elements via local laser melting.

Segmented rotatable vane segments manage thermal deflection in gas turbine engine duct blockers, enhancing precision control of cooling air flow.

Guide elements constrain cover movement to reduce radial clearance leakage.

Low-pressure compressor airfoils with non-negative trailing edge angle slopes from root to tip.

Inserting density mistuning plugs into rotor blades alters resonance frequencies, reducing flutter-induced stress while maintaining aerodynamic integrity.

Segmented dual part-span shrouds and hollow tip cavities reduce blade weight and vibratory forces, extending operational life by minimizing axial torsion.

Bonded fan blade platforms use interlocking composite halves to eliminate fasteners, reducing weight and manufacturing costs.

A centrifugal pump mechanical seal assembly uses a pre-filled inert fluid reservoir to provide continuous lubrication and cooling during dry-running events.

Dual-casing centrifugal compressor with intermediate suction flow path reduces friction loss in return channels.

Annular mistuning band stiffens specific blade roots to disrupt synchronous vibration patterns in gas turbine fan assemblies.

Forward-mounted gearbox eliminates support frame between low pressure compressor and fan, reducing engine weight while improving compressor pressure ratio.

Circumferential inlet fins disrupt acoustic wave propagation to mitigate fan blade flutter in turbofan engines.

Tapered stator geometry expands the exhaust path, resolving height constraints that deteriorate conductance.

Embedded piezoelectric elements in the blisk damping ring convert harmonic vibrations to electricity, resolving insufficient friction-based mitigation.

Parallel branch circuits in stator vanes reduce head losses while maintaining cooling reliability.

Elliptical casing geometry compensates for rotor blade expansion, minimizing leakage flow while preventing contact.

A pump system with a 90-degree elbow tee fitting reduces power consumption by minimizing turbulence in the curved channel.

An annular air inlet duct with a double-panel heated wall reduces incoming air temperature and prevents structural distortions caused by thermal gradients.

Integrated hollow lateral expansions and separation elements dissipate acoustic fields to attenuate impeller noise across wide frequency ranges.

Inclined partition walls in the impeller vane grooves reduce collision forces on rotating fluid, maintaining swirl energy and preventing misalignment.

Optical theodolite and total station measure diaphragm and casing segments without disassembly, reducing labor intensity and time consumption.

Differentiated blade angles in a compressor impeller impair uniform rotating stall propagation while maintaining intake air volume.

Segmented curved sections in the housing inner wall optimize the flow path, resolving suboptimal efficiency caused by simple circular designs.

Threaded diffuser couplings eliminate lengthy specialized tooling and reduce assembly space requirements for small diameter centrifugal well pumps.