Machines/Engines TRIZ Cases

A sensor interface system converts electrical muscle activity into uterine activity data signals compatible with maternal-fetal monitors.

Merges sensor housings with the separator structure to monitor differential pressure and detect crankcase ventilation malfunctions.

A flexible display panel driven by a temperature-responsive shape memory component transitions between flat and curved configurations.

Merging continuous transit time or capacitive level detection with discrete overflow monitoring eliminates redundant sensors and wiring.

A single bucket drag turbine uses a streamlined counterweight to extract orbital fluid energy.

A wind turbine blade structural member uses pivotally secured stringers and tension ties to provide variable resistance against deflection.

A fuel conduit connection assembly consolidates multiple inlet ducts into a single outlet to streamline high-pressure fuel transfer.

Elastic lid member accommodates engine vibration and tolerance differences in a monocoque frame air cleaner to maintain reliable sealing.

A laparoscopic retractor with a hinged T-like appendage enables independent swiveling and rotation of graspers.

Optimized powder metallurgy iron-copper valve seat ring raises thermal conductivity above 55 W/m*K to resolve poor heat transfer in modern engines.

A captive plastic retaining ring decouples a fuel injector from the cylinder head, reducing noise and compensating for manufacturing tolerances.

Deformable heat transfer elements regulate aerosol generation temperature by reducing contact area, eliminating overheating risks without electronic sensors.

A hydrokinetic wheel pivots on an angled frame to maintain vertical alignment while a counterbalance offsets its weight.

A diesel fuel filter device integrates a dual-chamber fluid pump to suction air and reintroduce fuel without external hand pumps.

Fe-based heat-resisting steel achieves high temperature strength through optimized alloying elements, reducing material costs compared to Ni-based alloys.

Distributed elastomer generators in flexible spheres harvest wave energy while maintaining operational continuity despite component failures.

Anti-coking inserts and sequential openings in a steel piston cooling gallery reduce oil residence time, preventing stagnation and coking.

A control unit adapts ignition energy supply by setting programmable current thresholds for an internal combustion engine.

An open air box with a cleanable filter medium eliminates airflow restriction and landfill waste from discarded paper filters.

An active plasma actuator ionizes ambient air to increase blade surface temperature, preventing ice accumulation while controlling boundary layer separation.

A mechanical oil passage switching valve uses spring force and operating oil pressure to position the valve body between retard and advance states.

Variable mass support inclination and reduction gearing amplify angular speed while maintaining consistent rotation direction.

Asymmetric depressed portions on the valve partition wall increase structural strength while enabling rapid pressure recovery in the fuel injection device.

A radar level gauge stores a reference tank signal to compare against subsequent measurements during wait states.

A bidirectional purge system moves fuel through inlet and outlet ports using differential pressure to clear engine components during shutdown.

Parallel elastic and constant force springs counterbalance reaction mass weight, reducing static spring length for compact wave energy conversion.

Suspended components lower through an open bottom section, reducing crane-based maintenance costs.

A drone maintains a fixed distance and centers on structures using LiDAR and computer vision sensors.

Asymmetric skirt windows lower moving mass and noise emissions without compromising load-bearing strength.

An intraluminal perturbing member triggers vasospasm and backflow to prevent adhesive migration into the deep venous system.

A level measuring device uses self-learning algorithms to determine dome shaft length from multiple echo signals.

Nested components within a cylindrical housing enable insertion into small fuel tanks while maintaining pressure regulation.

An elastomeric protective membrane shields ultrasonic transducers from corrosive environments, minimizing signal attenuation through flexible shell principles.

An intake device routes a vertically elongated connecting pipe through the swing arm width to overlap the rear cushion unit.

An actuator system inclines and precesses a spinning LIDAR sensor axis to generate multiple orientations for composite 3D imaging.

A mineral base oil with controlled viscosity and molecular weight enhances low-temperature fuel efficiency.

Inclined front side wall converts travel impact to vertical force, preventing resin oil pan breakage without adding weight.

Hydraulically actuated plunger adjusts valve lift via latching pin engagement to reduce pumping loss and improve engine efficiency.

Segmented active elements displace closed chain loops to drive a generator, reducing inertia and frictional losses during vehicle travel.

A rotor blade uses a secondary vortex generator to neutralize main vortex lift impact, reducing structural loading on clean blades.

A piezoelectric acoustic transducer positioned on a beverage keg bottom measures fluid levels through ultrasonic wave transmission and reflection.

A carriage pivots on off-center fulcrums to rotate along an inclined ramp, converting gravitational potential energy into electricity.

An alignment apparatus uses displaceable pieces to orient inlet guide vanes parallel to the turbine axis.

A chevron-shaped connecting tube directs condensed fluids toward the air cleaner side to protect the throttle device from contamination.

A fuel supply device surface level detection unit rotates upward when contacting a tank bottom wall.

A partially submerged float member with passageways absorbs vibrations and bubbling interference to maintain accurate fluid level measurements.

Cam profile geometry with intermediate and slant sections stops reverse rotation while maintaining correct fuel injection timing.

Asymmetric spiral turbine blades eliminate resonance and enable self-starting by generating net torque through unequal lift forces on varying chord lengths.

Segmented polymer fiber actuators maintain stable dimensions while enabling reversible porosity changes via thermal contraction.

An aerodynamic sleeve shields exposed joint interfaces on modular wind turbine blades, using stall fences to restrict spanwise airflow and delay separation.