Machines/Engines TRIZ Cases

Merging multiple pumps into a single coaxial unit reduces assembly complexity and leakage points while improving vibration damping in dry-sump engines.

A plasma generator superimposes a low-frequency current on the coil arrangement to confine charged particles within the ionization chamber.

Segmenting wind capture into multiple carts on a looped track reduces component size and manufacturing costs while maintaining power output.

A nozzle head with a hollow frustoconical channel wall creates a pressure gradient to entrain ambient air and atomize fuel.

An axially movable trigger wheel on a sliding camshaft maintains constant radial distance from a sensor, eliminating runout caused by axis misalignment.

Precise slurry application controls second ceramic layer thickness to prevent local thinning and enhance durability under thermal stress.

An annular step on the intake member inner wall redirects fuel flow toward the engine using a specific radial geometry.

A radar level sensor switches between phase and time difference calculations to adapt to liquid surface conditions.

A combustion engine injector integrates a viscoelastic damping element between the valve needle and pole piece to control axial movement.

A hollow ball valve body floats on oil to prevent backflow into the separator housing.

Tethered wave energy harvesting units use dynamic levers and springs to convert buoyant platform motion into electricity, addressing low renewable energy share.

Segmenting the compression process into two strokes reduces pump losses and improves combustion efficiency at part load conditions.

A compensating device stabilizes force application on symmetric one-armed levers within an injection system actuator.

A low Reynolds number airfoil design with specific camber and thickness parameters to enhance lift generation at low wind speeds.

A cuboid diesel fuel filter assembly increases filtration surface area within constrained engine compartments.

Replacing tungsten-rhenium alloys, the carbon fiber composite heater resists thermal shock and oxidation during cyclic operation.

A common rail fuel injection system integrates a leak detector with a dedicated leakage channel arrangement to identify and manage fuel escapes.

A gas connector integrates a diagnostic channel with sealing rings to ensure reliable detection of incorrect assembly.

Controlled nonmetallic inclusions and precise alloying in a rolled steel bar improve transverse fatigue strength without thermal refining.

A capacitive level sensor detects liquid fill states using a measurement electrode and base plate.

Lateral control device placement optimizes center of gravity and accessibility while routing lines through tank housing reduces mechanical damage risk.

Preheating SMA wires to austenite phase before stress application prevents fatigue damage and extends component life.

Nesting the connection lever within a bottomed cylindrical choke lever reduces the actuator stroke required for valve operation.

Segmented rigid and flexible shafts resolve the trade-off between device complexity and articulation capability in confined spaces.

A sleeve attached to a control valve stem expands under pressure to seal against the bore, maintaining consistent clearance.

A corrugated fuel pipe uses a wavy mounting section to mimic shaft flexibility while maintaining axial stability for assembly.

A venturi apparatus directs leakage fuel flow away from high pressure pumps, preventing over-pressurization and component damage.

Modular thermoplastic segments replace complex chemical bonding with welding or mechanical fasteners, eliminating bond-line failures and reducing assembly time.

Separating the cover from resin pieces simplifies molding and guides blow-by gas through a defined passage.

A cascaded dielectric barrier discharge device generates plasma clusters to produce thrust via ionic wind.

A current circuit compensates base current variations using operational amplifiers and feedback mechanisms to maintain accurate coil current detection.

An elastic bead on the valve housing deforms into a pump groove, generating residual force to secure the assembly without machining.

Dynamic flaps on deep ocean turbine blades open and close to reduce drag during rotation while maximizing energy capture from strong currents.

Segmenting detection into an independent array resolves slag-induced attenuation errors, achieving 1mm precision while reducing total detector count.

Bleed passages extract boundary layer airflow from the airfoil body, preventing separation errors and reducing deicing heater interference at high Mach numbers.

A unitary combustion engine valve uses localized surface quenching to harden critical areas while maintaining a ductile martensitic base.

A fuel injector housing features a relieved region on its lower surface to increase contact pressure at the nozzle body interface.

Longitudinally offset blades reduce blade-vortex interaction losses at high tip speed ratios, increasing power coefficients.

Alkali solution infiltrates narrow metallic cracks to react with oxides and form a removable resultant material.

Continuous circumferential welding fixes the intermediate body to the bushing without altering the external profile.

Radially adjustable driven gears and dampening members reduce secondary vibrational forces and gear noise in large displacement marine engines.

Segmented housing necks with optimized thermal resistance protect electronics from 200°C container heat while preserving 79 GHz signal integrity.

A laser system directs multiple beams through a scanner head to ablate composite materials concurrently.

Segmented plug design with lateral wings enables quick quarter-turn locking, resolving tool-free assembly challenges while maintaining liquid tightness.

External anchoring sites secure a metal lining to a plastic distributor, preventing thermal detachment while maintaining lightweight construction.

Segmented access ports and an intermediary bridge shield workers from adverse weather while enabling safe rotor hub interior entry.

Offsetting blades on a horizontal axis rotor eliminates bending moments from vertical flow gradients, enabling stable operation in shallow waters.

Hydraulic phase shifting between synchronous camshafts adjusts valve timing without energy loss from fluid lamination.

Dual mechanically-driven pumps circulate fluid through a heat exchanger to cool traction motors, eliminating electric pump parasitic losses.

Segmented pre-cured pultruded composites reduce manufacturing defects while maintaining the contourability required for long wind turbine blades.