Pump Components TRIZ Cases

Rolling elements on inward curved surfaces tune damping to rotational harmonics, reducing rotor blade vibration and improving assembly reliability.

An offset-blade iris inlet varies compressor flow area to widen the map, preserve fast response, and prevent surge during transients.

Placing both radial magnetic supports on one side of the rotor center of gravity reduces resonance swing and shortens balance adjustment.

A sleeve-and-plate insert retrofits worn variable vane receptacles to preserve alignment, reduce leakage, and simplify turbine platform repair.

Dual axial and rotary undercuts in filler material create a compact shaft-hub joint that transmits high torque and axial loads without extra fasteners.

Circumferential webs, guide ribs, and detachable casing segments let heating bands be inserted or replaced in non-round fan housings without full disassembly.

Local heating of shaft-hub joining surfaces creates a vacuum pump press fit with lower energy use, faster assembly, and less residual stress.

Annular plastic flow at the scroll-shroud joint seals micro-gaps in a turbocharger compressor housing without O-rings or thicker walls.

A porous lubricant reservoir with water-insoluble lubricant helps water pump sliding bearings resist washout, cut friction, and extend seal life.

A spinning nozzle rotor and diffuser create cyclic air jets that keep airfoil flow attached during slow flight, boosting lift and cutting drag.

Local heating deforms an abradable seal into housing grooves, improving anchoring and avoiding complex thermal spraying or insert molding.

An annular coaxial resonator path adds frequency attenuation in a vehicle muffler while keeping the structure robust, lightweight, and production-friendly.

Removable composite blade segments cut screw turbine manufacturing, shipping, and field assembly burdens while supporting higher flow capacity.

A radially extending bore lip keeps the oil pump and gerotor unit contained under high lubricant pressure, protecting rotorcraft gearbox integrity.

Variable-thickness dismount casings give quick access to pump internals while preserving seal integrity and pressure handling during maintenance.

Cooling passages in an interchangeable foil bearing assembly remove heat, manage thermal gradients, and reduce thermal runaway in compressors.

A freewheel sleeve in the bearing tube blocks reverse rotor motion, easing sensorless motor startup while avoiding heavy brakes and constant electrical locking.

Aperiodic sidewall contours in grouped turbine blades detune natural frequencies, reducing vibration and radial jumps while preserving efficiency.

Rounded entry port geometry lets balancing weights enter the rotor slot while reducing sharp-corner crack initiation and repair damage.

A pilot-piston mechanical valve keeps subsea barrier fluid pressure within range, maintaining differential control without topside power.

A multilayer nickel, ceramic, and aluminum coating protects gas turbine flange bolt holes from pitting corrosion and repeat repairs.

An axially stretched fastener replaces keys, splines, and pins to simplify impeller-shaft assembly and reduce compressor inertia and power use.

Different radial gaps hold oil films that damp conical and parallel shaft vibration in a turbocharger journal bearing while lowering friction.

An integrated resonator chamber shifts bleed duct vibration frequencies to protect low pressure compressor blades during transient engine operation.

An integral gutter in the turbofan front center body captures gear lubricant during zero or negative gravity while reducing seals, fasteners, and assembly steps.

Timed heater and cooling valve cycling detects stuck temperature readings and prevents vacuum pump overheating or overcooling.

A repositioned core flange and casing layout helps a large gas turbine resist higher fan-driven bending loads without core deformation.

A one-piece cast fan hub simplifies large-fan assembly while enabling flexible blade angles, secure mounting, and lower component count.

A bladder fixture presses and heats a cover into a blade body, simplifying diffusion bonding of hollow titanium fan blades and cutting process time.

A physics-based machine learning controller predicts compressor performance to cut energy use, avoid start-stop wear, and reduce downtime.

Damper grooves on the ball bearing outer ring use lubricating oil to suppress shaft vibration while simplifying turbocharger bearing assembly.

Removable access windows in a bearing housing filler plate let operators adjust warm axial proximity probes faster, more accurately, and without oil spills.

Production gas fed through internal passages supports high-load rotor modules with gas bearings, reducing oil use and wear in compressor stages.

Fluid injection through a porous trailing edge reattaches the separated boundary layer, improving airfoil efficiency across flight regimes.

A pilot-piston mechanical valve keeps subsea barrier fluid pressure within limits during transients and blackouts to protect rotating seals.

A spacer-mounted damper frictionally engages the blade platform to ground turbomachine vibrations while avoiding corrosion and complex installation.

A grooved part-ring guide replaces brackets and fasteners to smooth gas flow, simplify mounting, and improve pressurizer efficiency.

A controllable gear section uses drag, electric, or hydraulic resistance to vary fan speed ratio and improve turbofan efficiency.

Damaged bearing support and web sections are removed and replaced with a precision-machined welded insert to restore compressor housing accuracy at lower cost.

Selective cold working treats only part of the compressor wheel bore to add compressive hoop stress and limit crack initiation without harming blade root fillets.

Radial arms, recessed surfaces, and air gaps cut heat flow to the compressor housing while preserving strength and easing assembly.

Recessed bearing ring surfaces absorb touchdown impact in magnetically supported drive shafts, cutting buffer parts and eccentricity risk.

A bellows-actuated bleed valve removes sliding carbon seals to handle higher temperature and pressure with less wear, vibration stress, and maintenance.

A stepped top foil and spacer particles speed air entry and pressure buildup at startup, helping the shaft lift off quickly with lower energy loss.

Curved radial ditches and an integral plastic bearing frame stabilize the oil film to cut fan noise, vibration, and leakage.

A one-piece liquid-carrying unit stacks the pump and diaphragm tank to cut assembly cost and enable frost-proof drainage without antifreeze.

Balanced negative pressure speeds gearbox oil return in centrifugal compressors, cutting oil buildup, mechanical loss, and lubrication heat.

An integrally formed plastic frame and dynamic pressure piece prevent bearing deformation, oil leakage, noise, and vibration in high-speed fans.

Honeycomb bearing-holder legs let inlet gas pass through while preserving axial stiffness and preload in turbomolecular vacuum pumps.

Integrated case-body protrusions stop thrust bearing corotation without fixed-shaft D-cut machining, cutting cost and assembly risk.