Engine Manufacture TRIZ Cases

Asymmetric draft angles in a helical cooling jacket groove prevent mold interference, enabling reliable demolding and lower-cost molding.

A modular frame, wing, and lifting unit transport preassembled wind turbine towers horizontally and support upending while limiting deformation.

Rigid electroconductive bars routed through IGV arms replace bulky harnesses, improving turbomachine electric machine connection and vibration resistance.

A single-piece hollow UMGT impeller uses internal cooling airflow and air bearings to limit heat transfer and stabilize ultra-high-speed rotation.

A suspended tip support and lifting line let jointed wind turbine blade sections be serviced aloft without large ground cranes.

Multi-directional laser-formed grooves on a turbine blade cut fluid resistance and noise by matching local flow paths.

Compartmentalized cooling cavities and an abradable labyrinth seal cut turbine tip leakage while reducing thermal stress in CMC seal segments.

A split-ring sun gear with an elastic annular web absorbs shaft-induced stress and evens tooth loading in aircraft turbine reducers.

Hydraulic clamping and adjustment stabilize offshore wind turbine blades during lifting, reducing sway and improving docking accuracy.

Mounting blade root segments before extension segments cuts torsional loads and rotor imbalance, enabling wind turbine installation in higher winds.

Matching concave rotor disk and convex lip surfaces restrict air leakage in normal operation and provide rotor braking during shaft failure.

Variable-pitch threading spreads axial force across multiple rotor threads, reducing first-thread wear and extending turbomachine assembly life.

A perforated gearbox baffle steadies unsteady lubricant flow, deflects oil toward the scavenge port, and reduces heat and wear.

A corrugated-skin and smooth-skin assembly forms nacelle heat-exchanger channels while avoiding rivet drag and excess mass.

Cables deployed by UAV or other launchers guide a climbing robot and slave robot system to inspect and repair wind turbine blades with less human intervention.

Movable pins and an eccentric rotor lock plate shift shaft loads off the main bearing, enabling safer wind turbine bearing repair in tight nacelles.

Axially elongated journal bearings and carrier lubricant passages help high-ratio fan drive gears handle load while maintaining reliable lubrication.

High-velocity two-phase abrasive flow with medium recycling polishes complex micro inner channels, removing burrs and remelt layers to Ra 0.05 μm.

Pre-assembled lubricant nozzles on a planet carrier wheel improve oil delivery to meshing gears and simplify turbomachine epicyclic reducer assembly.

A hybrid magnetic and foil bearing supports turbine rotors with minimal contact, cutting lubricant and cooling demand while avoiding coking.

An ROV measures defect geometry, excavates predefined zones, and deposits metal in place to repair turbine runner damage with less downtime.

Circumferential tooth offsets in double helical turbine gearbox gears cut transmission errors, lower vibration, and stabilize torque transfer.

A V-shaped blade tip cuts shroud weight while preserving strength and integrating sealing fins for better centrifugal-load performance.

A nested nut, washer, and locking plate assembly resists vibration-induced loosening in gas turbine tie rod joints.

A decoupled power turbine and aft-mounted fan gear layout cut shaft speed, improve rotor stability, and free space for heat recovery.

A robotic textured roller controls contact stress while imprinting surface patterns that improve fatigue life and coating bonding.

A textured roller with dynamic force control deep rolls fan blades to maintain contact stress, improve coating bonding, and reduce defects.

Elongated journal bearings use supply holes and tailored undercuts to support heavily loaded epicyclic fan gears and maintain lubricant flow.

Internal machining and patching modules repair cracks deep inside wind turbine blades, cutting downtime and avoiding hazardous manual access.

A guiderail, trolley, and hydraulic lift place heavy damper units inside a horizontal wind turbine tower section with precise alignment.

Curved and raked spline tooth ends eject composite debris, stabilizing interface pressure and reducing wear in gas turbine hybrid transmissions.

Conductive adhesive film and CFRP patching restore spar cap strength while preserving lightning current continuity in wind turbine blades.

Telescoping shovel mechanisms let one gripper match different bolt spacings for secure transport of heavy wind turbine bolts.

A tapered multi-region gutter channel captures more oil from the gear train, reducing churning and preserving lubrication during negative g maneuvers.

A nested dual-piston valve balances high anti-ice airflow with linear pressure regulation without increasing assembly length.

A small-radius bearing retainer area and tapered surface improve turbocharger oil discharge, reduce leakage, and support smoother lubrication.

An annular web lets the sun gear deform radially and axially to balance tooth forces, cut stress concentration, and improve gearbox efficiency.

An inward-facing U-shaped sealing flange uses honeycomb support to prevent sagging during brazing and simplify panel assembly.

Removable torque arms and support elements let wind turbine gearboxes ship within standard width limits while preserving installed stability.

Variable-pitch riblet grooves on a heat-resistant blade coating cut fluid resistance while limiting heat transfer and stress.

Bottom and top clamping lift supports unload, store, and pivot tower segments with less surface damage and simpler single-crane erection.

A center-bearing tightening mechanism rotates around bolt circles to automate wind turbine fastening with stable positioning and minimal space.

A serpentine blade-tip plenum and pressure-side cooling apertures improve trailing-edge cooling and block hot gas backflow.

A rotatable, magnet-held assembly lets crews tension wind turbine tower bolts above or below flanges with less manual handling and time.

A seized wind turbine yaw piston is removed by boring out the core, cutting the mushroomed ring, and hydraulically pulling the barrel.

Multiple cooling channels with conical transitions and turbulators improve blade tip heat removal under high thermal and mechanical loads.

Internal lubricant reservoirs in a hollow gear feed gear meshes while damping vibration, absorbing impact, and helping cool the gearbox.

Curved and raked spline tooth ends shear and lift debris from the coupling interface, reducing wear and stabilizing pressure.

Using pre-screwed nut top surfaces as the drive path, this case removes electromagnets to simplify flange bolt tightening and cut power use.

A radially expanding connector replaces flanges and large bolts to create pre-tensioned offshore joints with easier assembly and lower fatigue risk.