Engine Manufacture TRIZ Cases

Variable flat-plate guide expansion based on the D/H ratio reduces pressure loss across varying operating conditions.

Non-axisymmetric actuation of independently pivotable flap portions redistributes airflow to attenuate circumferential distortion and reduce blade vibrations.

Segmented beams reinforce wind turbine tower rings to maintain rigidity after cutting access door openings.

A wind turbine blade uses a radially varying induction factor to optimize energy capture while controlling thrust forces.

Segmented diffuser components with constant thickness strut collars balance aerodynamic efficiency against adaptability to changing blade designs.

Polygonal tower segments join flat plates via bolted splice plates, reducing transportation constraints and manufacturing costs compared to cylindrical designs.

Short-fibre ceramic matrix composite connecting edges enable precise groove machining for turbomachine sealing tabs.

A flow restrictor assembly reduces the effective cross section of a rotor disc center hole to manage cooling air distribution.

Segmented annular flanges hold turbine ring sectors in precise alignment while absorbing high-pressure axial forces directly into the support structure.

Optimizing the position and geometry of a rectangular trailing edge rib reduces material consumption while maintaining buckling stability.

Array of apertures with intersecting conduits creates a restrictor effect to stabilize cooling fluid flow on turbine surfaces.

Taper joint assembly method joins wind turbine blade elements via adhesive bonding to resolve alignment precision and surface uniformity trade-offs.

A turbine platform cooling circuit divides air via a flow divider, reducing stagnation and weight.

Triangular cross-section thickenings on turbine blade cooling circuit partitions reduce mechanical constraints by offsetting thermal gradients.

Asymmetrical concave fillets balance stress distribution on scalloped flanges, preventing shearing at solid part bases while maintaining component mass.

Integral partitions form up-pass and down-pass cavities with apertured caps to direct fluid for impingement cooling of turbine component tips.

Flared internal cooling circuits with varied discharge slot shapes manage thermal stresses by distributing airflow across high-stress regions.

An elastomeric containment liner reduces blade strain upon impact, converting shear threats into manageable compressive loads.

An elastic connecting member absorbs differential thermal expansion between the exhaust cone and casing, reducing thermomechanical stress.

A U-shaped blocking fin channels cooling air through a gas turbine exhaust nozzle to dissipate heat from exposed surfaces.

Bonded composite boxes joined by tie rods replace discontinuous metal fasteners, ensuring homogeneous force distribution across the joint.

Feather key and adjustable shims allow axial diaphragm movement, preventing steam leakage from axial clearance.

Alignment tool guides vertical flanges to ensure precise bolt insertion and reduce assembly time.

A coil spring connects exhaust ducts to support liner movement while accommodating thermal expansion.

Segmented machine carriers reduce casting complexity and weight by distributing reaction forces via separate support structures.

A variable-section flow mixer uses movable lobes to direct external air into the nozzle for enhanced mixing.

Segmented stem assemblies lock into wind turbine components to eliminate time-consuming bolted connections and reduce disassembly complexity.

Segmenting the blade into independent modules reduces maintenance difficulty while maintaining high natural resonance frequency.

An interference fit between a thermal control ring and a blade outer air seal carrier passively adjusts radial tip clearance, reducing core air leakage.

Surge protection devices connect ice prevention heaters and lightning conductors to equalize potential, minimizing electric arcs between systems.

Sheet metal protection members mounted on disk teeth bear against composite blade platforms to constrain tilting and close radial gaps.

Merging a heat exchanger core with an acoustic liner layer reduces fan duct volume by performing simultaneous thermal management and sound attenuation.

Cartesian coordinate placement of film cooling holes balances design complexity with manufacturing precision, enhancing blade reliability and durability.

Variable height turbulators in a turbine blade cooling passage balance heat transfer and pressure loss despite non-uniform passage widths.

Optimizing the tank sizing factor repositions components axially to reduce nacelle radial height and improve propulsive efficiency.

Segmenting steel wind turbine towers into transportable units resolves road dimension constraints while pre-installed coupling elements reduce labor complexity.

Heat exchanger delivered air expands or contracts the blade outer air seal, reducing leakage and rubbing across varying engine operating conditions.

Trumpet-shaped bushing apertures let lifting cables slide circumferentially, eliminating stress concentrations from fixed mounting blocks.

Varying radii of curvature on the steam valve seat guide flow to prevent self-excited vibration and noise in slightly open states.

Martensitic transformation generates compressive residual stress, countering tensile stresses from thermal contraction to improve fatigue strength.

Electric actuators supplement hydraulic force to overcome high g-loading resistance on the translating ring.

Pivotable tie rods accommodate differential thermal expansion between the exhaust cylinder and diffuser, reducing structural stress.

Air-filled chamber reduces fixed ballast weight while maintaining rotational stiffness for vertical towing.

Simultaneously cures adhesive and resin in spar segment joints to fixate overlapping segments, resolving non-uniform adhesive distribution issues.

Tangential injection from a platform trailing edge minimizes mixing and endwall losses by targeting horseshoe vortex formation areas.

Spline engagement connects gas turbine discs to transmit torque while creating internal volume for sealing assemblies.

Inline gear sets transmit torque between spools, eliminating complex reduction transmissions to simplify the gearbox design.

Optimized cambered vanes eliminate negative torque reversion in variable nozzle turbochargers by maintaining positive aerodynamic force across all positions.

An elongate channel at the stagnation zone directs cooling air to form a protective film, preventing thermal barrier coating damage from high temperatures.