Pump Components TRIZ Cases

A one-piece molybdenum gas bearing sleeve cuts machining cost and complexity while maintaining tight clearance, heat dissipation, and high-speed shaft stability.

A partition wall and oil introduction passage keep the ring member from churning stored oil, improving speed increaser efficiency.

Shaped gear tooth and bushing microsurfaces improve axial balance, thicken lubricating films, and reduce wear, leakage, and power loss.

Variable bearing stiffness and damping help turbomolecular pumps pass resonance speeds with less vibration and noise while maintaining stable rotor support.

A slide-bearing gear bush and optimized gear meshing cut wear in internally rotating gear pumps handling viscous or solid-laden fluids.

A shaft-mounted transfer device and deflector keep bearing oil feed stable, recirculate lubricant, and prevent migration into the pump.

A vane-induced in-line deaerator removes entrained gas from auxiliary oil flow, preserving bearing lubrication during windmilling.

Pressurized gas is added only at startup and slowdown so turbocharger gas bearings stay contactless at low speed without bulky continuous air supply.

A lead screw puller with hooked arms removes variable stator vane bushings without rotor disassembly, cutting turbine maintenance time and cost.

Damaged bearing support and web sections are cut out and replaced with a welded insert, restoring compressor housing integrity with less waste.

A hollow threaded balancing weight combines mass correction and fluid venting in one impeller hole, cutting hub diameter and improving compressor efficiency.

A head-mounted blower and elastic seal cut hose bulk and damp noise while maintaining therapeutic pressure and humidity.

A measuring duct inside the non-return valve lets an internal pump sensor track delivery pressure without external cables, cutting size and assembly complexity.

Adjusting formed-tool parameters during each pass machines variable-lead screw rotors with accurate meshing profiles and lower leakage.

Extracted production gas feeds compressor gas bearings, enabling heavy rotor support with simpler oil-free architecture and low maintenance.

An axial pump assembly combines a friction clutch and electric motor to maintain engine coolant flow in low-rpm and shutdown conditions.

A compact aero-thermo model estimates thrust in real time, improving engine power control without heavy onboard computation.

A Holweck-style blocking stage in the rotor-stator gap lowers pressure around the magnetic bearing to keep process gases out and extend service life.

A spring-biased check valve vents expanding argon from a welded fan blade cavity to prevent bulging and preserve structural integrity.

Built-in oil passages in the pinion fairing deflector feed both teeth and barrel, easing mounting and improving low-pressure startup lubrication.

A clutch-based turbine lock blocks reverse shaft rotation in submersible ESPs, reducing restart overload, leakage risk, and electrical hazards.

Independent axial loading with a shaft sleeve, lock nut, and balance collars improves turbocharger rotor balance and stability at high speed.

Angled oil supply holes create a vortex that mixes fresh and mainstream lubricant, lowering oil temperature and stabilizing bearing load capacity.

Sacrificial flanges guide thin aerofoil sheath alignment during laser welding, reducing defects while forming a smooth curved outer profile.

Radial bearing housing arms cut contact with the compressor housing, limiting heat transfer while improving ambient heat convection.

Bleed gas handles bearing support in normal operation, while intermittent external static pressure keeps the rotor stable at low speed.

An elongate carrier pipe links inlet and outlet ports to stiffen a sheet steel pump base, cutting weight and cost without losing stability.

Two bushing sections with a movable connection fit improve rotor unit molding accuracy, avoiding post-machining and lowering cost.

Fuel or oil circulation stabilizes the solenoid valve in a bleed valve controller, preventing icing and enabling reliable high-temperature operation.

Internal through-passages in a magnetic pump bearing holder preserve axial stiffness while reducing inlet gas-flow restriction.

A rotating downrod adapter lets the ceiling fan fold for transport, cutting package volume while avoiding loose-part loss and handling issues.

Star-shaped webs and an elastomer bearing bush simplify blower housing assembly while supporting the motor and reducing airflow blockage.

Circumferential ribs and guiding ribs create a heating band channel that enables easy retrofit and replacement without full fan housing disassembly.

Cooling passages and insulated retainers protect flexible manifold seals from heat-driven leakage, wear, and shrinkage in propulsion systems.

Laser welding joins the rotating shaft directly to the metallic case, removing raised ring features to simplify molds and slim the fan.

Longitudinal bending bars create a replaceable frangible fuse that controls breaking torque and simplifies turbine cooling unit maintenance.

A numerical rotor model uses measured deflection below critical speed to calculate modal imbalance without test weights.

A front mount and flange position ratio helps large gas turbines resist fan-driven bending loads while preserving core stiffness and efficiency.

A continuous metal sheath wraps the fan blade core to improve structural integrity and resist cracking from debris and foreign object impact.

Centrifugal gas removal inside a hollow rotor maintains low flywheel vacuum pressure without turbomolecular pumps, cutting friction and maintenance.

Integrated curvilinear plate channels replace complex bleed-air piping to cut pressure loss and weight while maintaining heat transfer.

A hollow shaft cavity preserves shrink-fit coupling at high speed while lowering assembly force, shaft damage risk, and rotor mass.

A widened blind slot bottom with paired arcs redistributes vane-seat stress, enabling smaller or larger shaft sizing without sacrificing pump strength.