Pump Components TRIZ Cases

See how a built-in air pump assembly uses a flexible board, elastic member, and feedback contro

See how a diagonal-flow impeller paired with axial vanes and preliminary motor cooling reduces

See how a clutch mechanism and variable impeller configuration enable one vacuum pump to operat

See how a single-shaft rotor merges compressor and turbine stages with nested blade geometry to

See how a spiral scroll housing and optimized impeller wheel reduce turbulence and noise in hea

See how a raised-part groove embeds the heating body and transfers heat directly to the tempera

See how a cooling tower with movable fan coupling enables seasonal power generation from wind w

See how radially arcuate vane impeller geometry maintains consistent airflow despite pressure d

See how segmented heat-radiating tubes and pins increase heat exchange area while reducing spac

See how a double shell structure with an inner perforated shell and acoustic treatment layer re

See how rear-wall air duct placement with edge inlets and outlets prevents blockage by stored i

See how axial-dimension coupling between bearing and stator portions enhances housing rigidity

See how relocating the electric motor inside a thermal box uses the insulating wall to dampen n

See how tilting the fan wheel and outlet flow part eliminates sharp-angle vortex generation, re

See how a fan base conceals mechanical clamp elements within a shield, enables air flow directi

See how a diaphragm-based flow path selector enables one motor to drive both circulation and dr

See how a control device uses capacitor charging time to manage power-on delay, preventing inru

See how boundary placement with barrier assembly protects the control box and heat sink from ra

See how a tower fan airflow converter uses rollers and friction-reduction protrusions to guide

See how a metal heat dissipation fin with elastic inner ring reduces bearing temperature in pla

See how series-connected impellers with flow guide members reduce gas flow loss and enhance suc

See how a single-motor flow-path conversion pump recycles tub water to spray detergent compartm

See how embedding working fluid pathways through fan hub and blades increases heat transfer are

See how series-connected impellers with flow guide members reduce airflow loss and improve suct

See how a single-use magnetic-drive pump with ferromagnetic impeller enables hygienic foot spa

See how acoustic chambers and tortuous air paths attenuate fan noise while dissipating Peltier

See how a finger-supported unlocking device prevents accidental activation in battery-operated

See how a rotatable volute tongue with dual portions adjusts between limit positions to maintai

See how a suspension band connected between the backpack unit and blower pipe prevents flexible

See how dynamic cut-off and fan cut-in temperatures adapt to real-time voltage, preventing inef

See how a single impeller with closed and open vanes handles both wash water and drying air, re

See how a focal-bearing surface concentrates fan noise at a single point, enabling a smaller da

See how a dual-channel impeller reverses airflow direction to enable dust blowing without secon

See how a vacuum with universal coupling mechanisms integrates into modular storage systems whi

See how asymmetric blade geometry with bent inner ends enables effective cooling in both rotati

See how a nested dual-motor fan assembly uses segmented stator-rotor pairs to achieve higher fa

See how an integrated lamp module serves as a noise barrier and aesthetic cover while optimizin

See how an annular body with nested fluid directing structures induces secondary flow to augmen

See how a movable air pump positioned in an internal chamber switches between inflation and def

See how a controlled speed-reduction curve during shutdown prevents screw rotor and sealing gap

See how a controlled deceleration ramp reduces screw rotor speed gradually, maintaining lubrica

See how a segmented air pump body and waterproof shell enable easy charging, repair, and multi-

See how merging check valve and directional control into one assembly reduces pump complexity,

See how staggered blades of different lengths create a flat flow-head curve, enabling gradual p

See how a modular fan divides stator and rotor modules with positioning mechanisms to simplify

See how an inclined fan shroud uses gravity-driven slopes and drainage openings to evacuate liq

See how a detachable cover, moisture blocking member, and barrier isolate terminals in washing

See how touchdown bearing contact enables accurate shaft rotational angle detection during star

See how optimized back gap geometry with specific axial width ratios reduces windage and leakag

A knob, coupling member, and spring reset mechanism let the blower body rotate on its base for easy airflow adjustment without moving the base.

A single stator coil set controls both levitation and rotation in a blood pump motor, cutting mechanical contact, hemolysis, and complexity.

A rotating hub and multiport conduits compress, condense, and expand refrigerant in one unit to cut component count and compression energy.

Removable inlet and outlet inserts separate cooling paths to cut noise, limit contaminants, and maintain motor cooling airflow.

An annular hub recess encloses return ring and segment magnets to block hydrogen ingress, limit hub deformation, and extend compressor life.

A plastic housing paired with a bent metal cover gives vehicle seat pumps more shape freedom, lower cost, and stable force transmission.

Active fans and filters purge toxic, moist, salt-laden air from turbine interiors to protect components and shorten maintenance outages.

A ribbed fan cover layout improves motor airflow, cuts cover mass by 12%, and maintains stable, easy assembly in self-ventilated machines.

Elastic detent spring arms lock the motor cover to the rear bearing receptacle, simplifying assembly while preserving sealing and airflow.

An air deflector redirects axial-fan flow toward the impeller axis to correct weak center cooling in compact heat sink assemblies.

A heat dissipation member and seal between the diffuser plate and stator improve heat transfer, insulation, and gas sealing in an electric turbocharger.

A Venturi drain and sump let a fuel cell vehicle muffler self-drain while attenuating 1000-8000 Hz broadband exhaust noise.

A switchable rubbing/non-contact bearing seal helps fuel cell side channel compressors retain lubricant, cut wear, and reduce friction losses.

Oil cools the stator while air flows through the air gap to cool the rotor sleeve and magnets, cutting windage losses at high speed.

Rear-injected barrier material backs the cover plate without gaps, limiting deformation and preserving hermetic sealing under pressure.

An overlapping elliptical volute cools the motor as a heat sink, cutting blower size, noise, and fan-related complexity.

Conductive stator vanes carry heat, power, and control signals, cutting wiring, weight, noise, and airflow disruption.

A shared stator drives both the fan blade and pump impeller, cutting cooling head height and cost in space-constrained designs.

A plastic fan shroud with radial supports and a protected contact part resists impact, preserves airflow, and avoids antenna interference.

Recessed front vane surfaces generate vortices that block rear-side flow, reducing resistance and torque variation in wind rotors.

A one-piece fan housing guides and protects fan cables while maintaining insulation distance and secure heat-sink mounting in inverters.

A deep-drawn metal housing frame shields the stator and aligns the separation tube to improve EMC, heat dissipation, and pump efficiency.

Flexible insulated bearing receptacles and damping elements reduce rotor shaft vibration, improve centering, and limit bearing currents.

Magnetic bearings and sensor feedback keep the pump rotor axially stable, cutting wear and fluid contamination in pure or aggressive media.

Separated airflow paths and through-hole cooling let the fan dissipate motor heat while reducing turbulence and noise.

An eccentric cartridge keeps the rotor, bearings, and seals concentric when pinion tooth counts change, enabling multiple impeller speeds in one gearbox.

Uneven shaft radial loads are handled by bearingless motors sized to local force demand, cutting rotary system size and removing separate magnetic bearings.

Integrated metal terminals in the fan frame simplify wiring, enabling one-handed connector access in tight spaces while reducing assembly cost.

Integrated insertion portions in a hollow-rod magnet cover remove welding steps while reducing air gaps, weight, and vibration.

A pivoting pump support with two arms and one fastening point eases EV cooling pump installation in tight motor bays while improving strength and damping.

Independent coil current control stabilizes a permanent-magnet mover without contact, simplifying attitude and speed control in rotary systems.

A single gap detector near the second thrust magnetic bearing enables precise axial shaft control with simpler feedback and less thermal error.

A heat-coupled sensor in the pump housing measures cooling fluid temperature accurately while reducing wiring, protection needs, and space.

An enclosed rotor space and friction-locking hub connection block hydrogen intrusion and avoid bearing bore remachining in fuel cell compressors.

Flame-retardant caps enclose a pump stator winding, limiting oxygen and venting flue gas to stop sparks and flame spread during coil burn.

Side-wall vents and movable shutters let cooling air bypass the tangential turbomachine at high speed, cutting pressure loss and preserving heat exchange.

Intersecting curved struts raise fan motor support torsional stiffness while minimizing material use, airflow blockage, and noise.

A thin waterproof film replaces a thick can to protect the stator while minimizing air-gap flux loss in a ferrite axial-gap water pump.

Recesses in a ring-shaped motor mount channel fan air to blocked housing ends, improving cooling fin airflow and heat dissipation.

A nested claw-and-fitting casing joint secures the fan while avoiding outward protrusions that limit packaging and risk coupling damage.

Timed motor ramp-down preserves airflow while extending battery runtime and adapting fan operation when AC power is available.

A reverse fan layout, spring preload, and bearing stopper improve motor cooling while limiting bearing gap, thrust movement, vibration, and noise.

A secondary airflow from seal leakage and bearing cooling creates an ejector effect that boosts stator airflow by 10% without added power.

A thin-walled plastic cover with expanded fin surface cools fan electronics at lower cost than metal heat sinks.

A pluggable fan module with a waterproof wall, seals, and cable routing keeps industrial electronics cool while allowing fan replacement.

Ambient air cools the motor and power electronics through a dual-tube compressor intake, improving EV auxiliary braking heat dissipation.

Ionized airflow in the tube neutralizes triboelectric charge in handheld blowers and vacuums, reducing shocks and electronics risk.

Electromagnetic induction powers rotating LED modules without brush contacts, avoiding circuit breakage, friction noise, and heat in monitor fans.

Two shaft-mounted fans maintain motor cooling in either rotation direction, improving airflow, cutting power, and battery life in garden tools.

Axially extending guide vanes and a radial outlet improve radial pump flow, cutting turbulence and pressure losses in sensor cleaning.

A mechanical coupling keeps gear pump journal bearings clamped before pressure builds, reducing startup leakage and improving volumetric efficiency.

An elastomer-mounted heat shield cuts heat and vibration transfer in tight vehicle pump installations, helping prevent overheating and extend service life.

A metal retainer with resin-filled communication holes keeps high PTFE lubricity while preserving strength in cryogenic high-speed bearings.

A collar and porous ring use capillary action to recirculate excess lubricant, keep bearing oil flow uniform, and cut churning losses when inverted.

Multiple arc surfaces with tuned curvature centers raise allowable shaft speed while limiting friction loss in a semi-floating bearing.

Pivotable lamellae create a continuous pump blade surface that compresses for low-force vessel insertion while preserving stability and impermeability.

A single drive wheel and geared coupling adjust two diffuser blade stages with compact packaging, easier installation, and higher precision.

Surface-attached vortex generators create counter-rotating tubes that stabilize the boundary layer, cut drag, delay stall, and improve heat transfer.

Asymmetric tabs and bell crank perturbations block wrong sync rod installation, preserving variable vane alignment and actuator reliability.

Integrated base grooves let the fan head and support rod detach and nest for compact storage without complex screw removal.

A valve unit varies behind-vane hydraulic resistance to maintain sealing while cutting low-speed power loss and wear in automatic transmission pumps.

A two-piece threaded collar loads against a ring element to hold pump impellers axially, resist loosening, and avoid custom thrust parts.

Different vane profiles and orientations correct asymmetric inlet swirl while cutting plenum losses and improving compressor efficiency.

Recessed flange cavities create a thermal break in a turbocharger bearing housing, cutting heat-driven fatigue and bolt preload loss.

An enclosed mass and fluid chamber damp rotor blade oscillations without shrouds, reducing weight and aero losses while preserving stability.

A tapered bearing support embeds a vibration sensor near the compressor bearing to detect harmful loads and enable real-time operating adjustments.

Offset high- and low-stiffness spring foil regions stabilize high-speed shaft rotation and reduce wear in compressor bearing units.

A narrowed outer flow passage and large inlet help a compact respiratory impeller deliver therapy pressure with less than 50 dB(A) noise.

A leading-edge indent stiffens the impact zone of a compressor rotor blade, limiting plastic deformation while preserving elastic response.

Combining feedforward and feedback control regulates labyrinth chamber oil more precisely, keeping fan speed stable and response accurate.

Multiple outlet orientations and removable adapters let one centrifugal pump fit varied water circulation layouts without replacing the full system.

A one-way clutch in the motor or pump shaft coupling blocks reverse thrust bearing rotation in ESP assemblies during flowback or misinstallation.

A closed inert-fluid loop with a shaft-driven impeller cools active magnetic bearings while preventing contamination from aggressive process fluids.

A split bearing support with double locating features improves gas bearing coaxiality and perpendicularity for more stable centrifugal compressor assembly.

An adjustable spring damper lets a gas turbine heat exchanger cool compressed air while absorbing vibration and thermal expansion loads.

Rotatable inlet orifice elements with an axially preloaded actuation ring widen compressor operating range while reducing wear, noise, and maintenance.

A segmented beam plate replaces embossed bump foil to enable reversible bending, cutting bearing complexity while preserving compressor durability.

Magnetic and fluid film forces reduce ESP thrust bearing wear from particles and vibration while improving heat transfer at higher temperatures.

Imprinted roughening of a titanium alloy blade edge improves bonding to composite turbomachine blades, resisting impact, abrasion, and stress.

Ring flanges, O-rings, and circumferential elastic members isolate twist vibration while limiting flange misalignment that can rupture seals.

Laser ablation removes rotor material at targeted points to balance complex vacuum pump rotors with minimal residual imbalance.

Oil sumps in each bearing pocket maintain the lubricant film, cutting parasitic loss and cage vibration across turbomolecular pump orientations.

Dry ice pellet sublimation pulverizes porous metal AM supports in narrow overhang areas, reducing removal damage and tool access limits.

Individually throttled oil channels and outer-region flow surfaces balance pressure across turbocharger mountings to improve lubrication and cooling.

An open annulus blood pump bearing uses through-flow flushing and elasto-hydrodynamic gaps to limit stasis, thrombus formation, and hemolysis.

A two-gap journal bearing balances oil-film damping between spaced bearing sections to suppress shaft vibration at higher revolutions.

A disengaged retainer engages only during axial cage dislocation, preventing bearing cage ejection and enabling safe vacuum pump shutdown.

A softer tapered lead-in aid aligns shaft and hub splines under low visibility, cutting contact damage and assembly time.

Stepped bores reuse housing screw openings as mounting threads, saving space while securely transmitting crash moments and lifting loads.

A sealed heat shield traps stagnant water behind the thrust shoe holder to reduce thermal gradients, distortion, and bearing water film failure.

Placing the fan outlet guide vane root closer to the core flange helps large gas turbine engines resist bending loads and maintain efficiency.

Three externally accessible balance points allow post-assembly n-plane correction, reducing rotor unbalance and bending vibration at high speed.

A one-way sprag clutch blocks reverse windmilling of a gas turbine fan shaft, protecting bearings after lubrication shutdown.

Dual pumps and check valves keep gas turbine fan gear lubrication flowing during forward and reverse windmilling, reducing bearing wear.

A toroidal plug, conical seat, and resilient ring keep the wastegate centered, cutting leakage, axial play, and wear in turbine housings.

Multiple slits create radial compression that holds pump bearings despite wider tolerances and thermal expansion differences at high temperatures.

An integral flanged pump connection retains the union nut to create adhesive-free, watertight sealing with faster assembly and fewer loose parts.

Gravity-separated oil and gas layers with a relief passage limit speed increaser chamber pressure and reduce oil leakage while sustaining lubrication.

A wearing sleeve between the hub and shaft lets the fan disengage at excess torque without metallic overheating, seizing, or added shaft complexity.

Rotor motion generates supply voltage for magnetic bearing control, removing external power wiring in vacuum pumps.