Machines/Engines TRIZ Cases

Oblique ladder rungs maintain horizontal orientation across rotor blade positions, resolving gearbox obstruction and improving safety.

An eccentric segmented valve closing body head resolves the trade-off between structural complexity and reliability by optimizing stress distribution.

Recessed side walls in the air cleaner casing allow fuel tank supports to protrude inwardly, securing cleaner volume while limiting vertical height.

Eccentric inlet throttles create swirling flow in fuel injectors, directing vapor bubbles into the vortex core to prevent cavitation erosion on valve seats.

Multiple ultrasonic sensors measure bulk material fill levels from different directions to determine spatially resolved effective heights.

A tapered slot aperture modulates flow area via a sliding diaphragm, preventing pump surge and pressure hunting in crankcase ventilation systems.

A light-driven rotor uses a three-layer structure to create surface tension gradients for rotation.

A horizontal fuel pump module reduces vertical height for low-floor vehicle installation.

A coolant expansion tank uses a bottom barrier wall to direct liquid flow and suppress vortex generation near the outlet.

A pivotable deployment mechanism translates drive assemblies to actuate surgical components simultaneously, reducing structural complexity.

Tabs on the check valve plate engage indentations on the stator to prevent rotation, ensuring accurate alignment of openings.

Grounded structural members and surface electrodes distribute lightning currents along rotating blades, preventing damage from upward streamers.

Gas-filled damper body secured by an annular clip applying radial biasing force to the housing inner wall.

Segmented rotor blade tips detach for transport to prevent damage, then reattach via locking mechanisms to reduce edge turbulence noise.

Multiple intake ports segment airflow to reduce swirl direction flow, improving combustion efficiency and fuel economy in large engines.

Segmented variable vane airfoil spans platform gaps to block radial gas leakage, while hollow shafts provide cooling and torque transmission.

Buffer air flowing through an annular cavity insulates the lubricant supply conduit, preventing overheating and coking in gas turbine bearing dampers.

Stiffening ribs reinforce trailing edge chord extenders on wind turbine rotors, maintaining structural integrity while increasing lift-to-drag ratio.

Segmented antechambers and surface elements eliminate gas bubbles and Schlichting flow to ensure reliable measurements.

Interconnected capacitors with stretchable sheets self-recharge electrodes via voltage transfer, eliminating AC/DC conversion losses.

Reducing nickel content lowers material cost while MC carbides suppress gamma prime coarsening to maintain elevated temperature strength.

A non-conductive conduit assembly routes lightning conductors through rotor blade cavities.

Torsion stiff spring steel compensation elements decouple the stator from the drive gear, accommodating axial and angular tolerances without binding.

Integrating recirculation check valves into the valve spool eliminates external oil pressure requirements, reducing parasitic engine load.

Integrating a combined heat and power plant into an industrial cleaning system reduces CO2 emissions by 35-40 tons annually.

A hopper flap uses a memory metal support member to urge the sheet back to its non-deformed configuration.

A bearing cartridge secures an insulating element to prevent electrical arcing between the pitch tube and transmission shaft.

A ferritic stainless steel sheet with optimized composition enhances formability for bellows pipes.

A wind turbine blade trailing edge tab increases lift while reducing vortex shedding noise and drag through curvature.

A material level measuring apparatus transmits electromagnetic waves to calculate time-passing differences from surface and probe bottom reflections.

A fuel pump pressure relief valve assembly positions the needle shaft and spring on the high-pressure side to minimize pumping dead volume.

An inclined shape memory alloy actuator wire resolves lateral force trade-offs using a bearing arrangement to minimize height.

Horizontal platforms fixed to the hub reduce fall risks and replace complex harness systems.

A flexible wave receiving plate deflects under load to adjust its projected area.

A modular common-rail injector integrates a flow limiter between the holding body and accumulator pipe to secure high-pressure fuel delivery.

A choke removal mechanism links an actuator arm to a governor via a spring, biasing the choke open under load.

Outward standoffs on a rounded intake manifold cover prevent rolling damage and lower manufacturing costs.

A fuel data collection unit applies temperature compensation to calculate accurate fuel volume and mass during dispensing operations.

A floating platform wave energy generator uses drag members and pulleys to convert rocking motion into electricity.

A multi-piece PCV valve separates the flow control body from the connecting cap to enable onboard diagnostics.

Segmented ground-mounted capacitors increase negative charge capacity while simplifying high-altitude installation.

Misaligned joining positions along the intake air flow direction reduce joint separation and fuel supply interference in air intake apparatuses.

Structured contact surface increases friction coefficient between output element and camshaft.

An aerodynamic nose directs wind onto radial blades, resolving load imbalance and efficiency loss in weak winds.

An Fe-Ni alloy forms stable intermetallic phases and primary carbides to enhance high-temperature strength.

Axial guide portion enables easy torsion spring insertion while preventing debris entry and maintaining compact valve timing apparatus design.

Non-parallel walls in a downstream flow controller direct fuel to wet the entire venturi area, preventing air gaps that degrade efficiency at low flow rates.

A vehicle-mounted wind turbine employs a movable mounting structure to generate electricity during stationary conditions, resolving productivity limitations.

A microporous membrane retains polymer resin during vacuum molding, reducing material waste and production costs compared to perforated alternatives.

A copper-zinc valve guide alloy maintains hardness at elevated temperatures through specific manganese and aluminum additions.