Machines/Engines TRIZ Cases

Merging external components into the housing eliminates weak protrusions, resolving collision stability issues while simplifying assembly.

A fuel injection device spool uses a protruding part with a linear contact portion to close the depressurization flow passage opening.

Multi-coupling windage tray secures to multiple engine components to reduce noise and vibration while managing oil flow.

Axial snap-fit engagement tabs join the cover plate to the housing, eliminating thermal welding voids and reducing assembly time.

A pin-shaped displacement element immersed in the armature bore manages fuel volume during stroke movement.

A de-aeration valve uses a ball to purge trapped air from the fuel filter housing.

A single solenoid valve controls pressurized fluid chambers to actuate intake valves across multiple cylinders.

Integrating a sensor into a jig facing surface measures resin impregnation accuracy at the stringer boundary, preventing low rigidity in composite parts.

Circumferential remelt depth variation refines combustion chamber structures to reduce thermal aging and heat input while maintaining loading capacity.

An eccentric rolling hook shifts can-combustors axially, reducing man-hours and engine damage risks during maintenance.

A fuel injector mounting clip uses a flanged arm to engage the fuel cup and prevent relative movement during engine operation.

A rotor blade extension body integrates aerodynamic profile elements to generate lift forces.

Central fuel pump mounting eliminates external pipelines to resolve air cleaner interference and reduce ineffective fuel residue.

Merging the common rail with the cylinder head cover removes branch pipes to prevent leakage risks and pressure drops during injection events.

Segmented bracket members compensate size variations without hindering vibration absorption, ensuring reliable support.

Segmenting the support into an elevated platform reduces measurement noise and improves precision for automated liquid handling.

A secondary siphon with an auxiliary outlet generates slow flow to manage liquid levels in the charge accumulator.

Separating the inlet line from the tank top allows positioning below the minimum coolant level, preventing air inclusion without active deaeration valves.

A vibrating element apparatus uses thermal compensation elements to maintain constant compressive force on the piezoelectric stack.

Mathematical modeling predicts expected echo curves to resolve operator judgment errors in pulsed radar gauge setup.

Segmented spindles enable variable dosage in fuel injectors, reducing NOx and HC emissions without adding volume.

C22 hydrocarbyl salicylate detergents disperse asphaltenes in Group II base oils, preventing carbonaceous deposits and piston cracks.

A flow velocity amplification device increases blowby gas speed to transport oil droplets into the intake passage.

Segmented laser power density creates deep penetration welds between piston components, preventing structural defects at the start and end of the seam.

Threaded connections with spring elements enable easy removal of expanded annular filters.

Homogeneous ceramic walls and wick eliminate thermal resistance mismatches, enabling compact direct bonding to semiconductor devices.

A dual-path air intake assembly uses a ram air power valve to route cooler ambient air, resolving engine compartment heat and water ingress issues.

Rolling diaphragms compress air in a wave energy system, maintaining constant pressure output despite varying tidal conditions.

A resilient flexible band maintains a central pocket within the diaper absorbent material to contain excreted solid waste away from the wearer's skin.

A flow control valve uses a linear fuel passage and movable valve head to regulate liquid delivery.

A magneto ignition system uses a single wire for two-way communication between the controller and ignition circuit.

A method evaluates ultrasound signal echo amplitude fluctuations to identify level echoes for precise fluid fill level determination.

A nickel aluminide underlayer incorporates 0.5 to 0.95 atomic percent copper or silver stabilizers.

A compacting hold on the mandrel side flange constrains the external strap to improve mold positioning repeatability.

An electronic control unit manages pressure application through a C-profile hand cuff, resolving sizing errors and manual misuse risks.

A hydraulic valve timing system uses a movable rocker shaft to actuate independent cam profiles for intake and exhaust valves.

A spool valve groove isolates fuel supply from injection holes when closed, preventing dripping and stabilizing needle movement.

Integrates force and microwave sensors into a single probe assembly to measure fluid levels.

A fuel filter uses a second water separator to create laminar flow for improved sedimentation.

Mechanical cam timing controls pressurized fluid discharge to reduce spring compression energy loss and improve engine efficiency.

A vertical rotary body mounts pivotable pressure receiving plates with specific gravity lighter than seawater to generate buoyancy-driven rotation.

A segmented filter assembly with a cylindrical section and cap distributes axial forces to prevent deformation during press-fitting.

Wings on the injector cup ring element secure a spring clip, preventing injector loosening during assembly.

Segmented air conduits bend at predefined angles to route filtered air through confined cabin spaces, reducing resistance and pressure drop.

A waveguide device levels gas composition and temperature inside the acoustic path to stabilize sound speed.

A lubricating oil composition reduces piston deposits in marine diesel engines using salicylate detergents and ashless dispersants.

Composite truss structure reduces wind turbine blade weight, enabling longer blades that capture low-speed winds for lower energy costs.

Segmented cylinders with through-holes simplify manufacturing complexity while maintaining reliable liquid flow to the vibrating member.

External piping bypasses internal passages to reduce hydraulic pressure loss while avoiding vehicle frame interference.