Machines/Engines TRIZ Cases

Glass fiber reinforced polypropylene composition overcomes high temperature creep resistance failures while maintaining cost-effective manufacturing.

Complementary tapered surfaces minimize air trapping during compression, resolving the contradiction between fuel efficiency and combustion stability.

Dual central valves replace complex spool mechanisms in the phaser, reducing mechanical complexity and oil leakage while maintaining precise camshaft timing.

Auxiliary ground electrodes block gas flow to reduce multiple discharge, extending service life and lowering ignition voltage.

A sleeve shields turbine conduit sections from direct fluid contact to manage heat transfer coefficients.

A gas sensor element uses a porous protective layer with controlled porosity standard deviation to ensure structural integrity.

Segmented blades use centrifugal forces to feather the rotor, reducing fatigue loads while maintaining power generation capacity.

A dental handpiece control apparatus adjusts forward and backward rotation angles based on real-time load torque.

A single piston valve integrates air venting and anti-drainback to reduce pump pressure requirements and extend fuel filter service life.

An inclined flange joint connects segmented rotor hub parts, reducing transport height while maintaining structural integrity.

A variable geometry stem adjusts tether angles to widen sail wingspan for reliable airborne deployment.

Sheet metal mounting bracket with reinforcement rib secures fuel injector sockets to high pressure delivery pipe.

Relocating the fuel pump to the tank rear overlapping the cylinder assembly reduces pipe length, lowers gravity center, and balances mass distribution.

A one-piece elastic connecting port merges fuel and air channels into a single flange interface to accommodate engine vibration.

A constriction in the discharge port increases pressure loss to separate oil mist from blow-by gas.

Switching circuits compensate for age-related threshold voltage drift in low-cost transistors, enabling independent EAP actuator control.

Pressure-differential actuator means open and close inlet and drainage outlets based on crankcase vacuum, maintaining engine vacuum without a PRV valve.

Segmented ducts route warm and cold air to separate filter zones, preventing snow ingestion without active valves.

A brake actuating device uses a provisional plug to hold the unit in position during installation.

Antenna evaluates transmission characteristics via ceramic wall sections to detect seal breaches, resolving complexity and reliability contradictions.

A filter coupling device uses latching means and control surfaces to engage the element.

An external heating module with an electric coating preheats engine oil, reducing emissions and simplifying manufacturing.

Rib inside coolant passage prevents stream collisions, reducing pressure drop and improving cooling efficiency.

Merging the EGR plenum with the intake manifold reduces packaging volume and minimizes exhaust gas recirculation imbalance.

A replaceable filter element mounted in the reservoir bottom wall removes particulates while a bypass passage maintains flow when the filter blocks.

Heating the adhesive bond below cure temperature allows shear stress from blade weight to separate the cuff without damaging the composite structure.

A blade connector interconnects spiral blades to provide a tilted support structure that stabilizes the assembly.

Intake manifold uses front-side low rigidity couplings to absorb collision loads and protect rear-mounted fuel pipes.

Polyacetal resin composition incorporating ultrahigh-molecular-weight polyethylene and metal oxides maintains weight retention after hydrochloric acid exposure.

An airbreathing plasma propulsion system accelerates ions using electromagnetic fields to generate thrust.

An acoustic measurement system replaces hazardous radioactive sources to determine liquid metal levels without compromising operator safety.

Preliminary surface height measurement eliminates discharge noise interference during probe lowering, improving analysis throughput.

An electronic control unit manages fuel pressure through a dedicated valve, reducing energy consumption and hydraulic leaks in low-power diesel engines.

A clamped composite unites the injection nozzle and control valve into a single unit for simplified mounting.

A flexible retaining clip couples split fairing sections to maintain radial alignment.

Grounded tank electrode detects fluid level by comparing applied voltage against a threshold, eliminating sludge interference and electrical corrosion.

Switching device selects pulse or FMCW modes to reduce noise and improve sensitivity across varying fill levels.

A piston manufacturing method uses segmented forging to form excess material in the combustion depression dome region for precise volume adjustment.

A stator cover unit uses a form-fitting projection and recess to align components without direct gripping.

A gas sensor control device calculates component concentration using a correction expression based on cumulative operating time and initial offset.

Magnetic alignment and a spring-loaded latching mechanism reduce torsion angles in fuel injection valves, improving soot emissions.

A hydraulic damper increases effective chamber volume to absorb pressure spikes in variable valve train modules.

A segmented rotor blade extension uses load-inhibiting interfaces to reduce structural strain on wind turbine blades.

A capacitive liquid level gauge uses insulated probes to measure dielectric constants.

A wave energy conversion assembly uses a freewheel ratchet to transform oscillating buoy motion into unidirectional rotation.