Machines/Engines TRIZ Cases

A cone-shaped extension on a catch piston throttles hydraulic fluid flow to regulate internal combustion engine valve closing speed.

Wide-envelope outer magnetic poles and a pagoda-shaped inner component create a semi-open structure.

A hybrid actuation device merges shape memory alloy wire with an artificial muscle to deliver combined force and displacement.

An optimized axial-to-diameter ratio and canted clamp configuration resolve packaging constraints while maintaining robust attachment and spray precision.

Replacing heart-shaped cavities, a cylindrical containment sleeve withstands 200 MPa pressure without stress fractures.

A flatback slat with a splitter plate and vortex generators enhances lift on wind turbine blades.

Segmenting suction heads with a porous covering prevents air induction during inclined operation, ensuring complete fuel exhaustion.

Segmented buttress arms reinforce tissue against misalignment, preventing twisting and malformation during minimally invasive stapling.

A fuel pump module with a detachable filter unit enables non-destructive component replacement.

Forecasting models predict gas turbine compressor power recovery using pre- and post-wash sensor data.

Isostatic pressure from inflatable bladders corrects ovalization in fan casings, stabilizing cylindrical profiles against residual stresses.

Grooves on contacting surfaces store fuel to reduce linking force, enabling timely plate separation and stabilizing back pressure control.

A composite counter-plate separates flanges to prevent galvanic corrosion while supporting fastener heads.

Optical time-of-flight camera system measures aircraft fuel surface height using reflected light and sensor arrays.

Plenum-mounted vertical axis wind turbines convert airflow into electricity, addressing insufficient on-site energy generation in modern structures.

Electrode pairs measure electrical impedance to identify ink conformity and level, resolving sensor complexity issues in printing devices.

Segmenting the piston into independently forged blanks enables reinforced ring sections and complex combustion depressions without secondary machining.

An external fuel filter protects the diesel pump from particles using a vacuum chamber and pressure reservoir.

A tapered flywheel rotor uses gas pressure differentials to generate upward lift forces for stable levitation.

Engine block passage with swelling portion reduces oil inflow speed into the pan, eliminating bubbling noise and complex balancer machining.

Acoustic detection triggers adaptive electrical stimulation, eliminating nasal congestion and noise from CPAP devices.

A support ring with a V-shaped contact surface distributes forces across the sealing ring to maintain integrity under pressure.

A phase control apparatus uses a locking pin recess to maintain backlash gaps between fastening components.

Integrates a magnetostrictive displacement sensor body within the cylinder tube bottom to reduce overall mounting length.

A segmented antechamber decelerates foamed oil flow to enable accurate ultrasound fill level detection.

Segmenting filtration into coarse and fine stages resolves the contradiction between complete flow capacity and high purity without adding complexity.

Depressions in the piston coating retain lubricant oil to prevent drainage, reducing friction loss by up to 20% while maintaining stable lubrication quality.

Curved surface guides pin into channel, reducing torque and preventing damage.

Spread spectrum modulation suppresses low frequency magnetic and conductive noise without increasing satellite mass.

Segmented engine generators allow incremental power capacity addition while maintaining continuous operation during maintenance.

A magnetic rotating mechanism stabilizes rotation using permanent magnets and alternating layers.

A control apparatus uses a Zener diode and resistor to detect spark plug deterioration through current monitoring in the ignition circuit.

A flexible containment blanket shrouds engine housings to capture debris and fluids projected during component failures.

A carburetor enrichment device uses a variable volume chamber coupled to a manual feed pump to deliver fuel.

Interconnected linear generators in a compliant frame adapt to varying wave parameters, maintaining energy conversion efficiency across diverse conditions.

Transverse inlet ports direct fluid onto an impeller to generate torque and speed, resolving low power capabilities in subterranean drilling operations.

A bracket extends laterally to mount the ignition coil away from the engine block.

A liquid fuel composition blends gasoline with Fischer-Tropsch derived naphtha to optimize combustion characteristics in spark ignition engines.

An opaque bottom reflects light while a domed top magnifies contents, enabling clear detection of water contamination and debris in oil systems.

Infiltrating a molybdenum tungsten base mixture with copper resolves the hardness versus thermal conductivity trade-off in engine valve seat inserts.

An angled oil filter housing integrates coolant passages to streamline fluid circulation within engine systems.

A piezoelectric oscillator uses narrow band excitation to detect fill levels.

Nested elastic pins absorb cumulative tolerances to reduce manufacturing costs while maintaining positional stability.

Arcuate drain tube directs spent oil flow through an acute angle to enable complete fluid evacuation from irregular oil pan corners.

Shape-memory alloy wire resets the actuation mechanism for repeat testing without sacrificing speed.

A hydrophobic foraminous membrane disk spans the filter outlet to separate water from diesel fuel.

A segmented valvetrain uses an electromagnet and latch pin to hold valves closed for cylinder deactivation, reducing engine complexity.

A friction welded piston blank uses the heat affected zone to harden the lower groove flank without additional surface treatments.

Segmented electromagnets create adjustable magnetic fields that resolve the trade-off between thrust vectoring capability and device complexity.