Low Pressure Fuel Injection TRIZ Cases

Sheet-metal mounting brackets bond to a forged stainless steel base body, reducing material removal and weight while maintaining mechanical strength.

Segmenting the seal into a brazed collar, threaded cap, and gasket distributes stress to prevent breakage at high injection pressures.

Segmented pin and cup mounting restricts inlet body rotation relative to the holder, resolving alignment precision versus complexity trade-offs.

Transverse holes in a tubular shield filter debris from high-pressure fuel, preventing damage to the sensitive control valve seat.

Milled shoulders on a tubular rail enable secure coaxial gripping, eliminating bulky brackets and reducing system weight.

Flexible members deflect into air chambers to dampen fuel pressure pulsations, ensuring accurate injector delivery.

A fluid conduit damper features a sealed vent to release trapped gases during assembly.

Metering passage creates pressure differential to stabilize fuel flow rate independent of inlet pressure variations.

An atmospheric air intake valve prevents sub-atmospheric pressure in the fuel conduit during cooling cycles, eliminating fuel leakage and vapor migration.

A fuel safety valve uses a piston with a through hole and a discharge duct restriction to control flow rate.

Fluid delivery skid stages manage pressurization and discharge via independent valve control to regulate flow rates.

A sheet metal connecting part integrates holding and hydraulic components via brazing to reinforce the fuel injection assembly.

Screwing a cap-nut end cap onto a brazed collar generates axial force that seals the pipe opening without stressing the brazed joint.

A separate feed bore connects the lance directly to the high-pressure accumulator, promoting fuel turbulence and efficient circulation.

Segmented electroactive actuator drives needle resonance, isolating sensitive components from combustion chamber heat to maintain operational reliability.

An inductive heating coil vaporizes fuel within the injector to eliminate complex electrical connections and reduce cold start emissions.

Reciprocating valve with metered chambers decouples fuel flow from inlet pressure variations for stable electronic control.

A fuel injector intensifier stores pressurized fluid in a dedicated cavity to enable rapid injection cycles.

An adjustable venturi mechanism in a fuel injection servo resolves manufacturing precision trade-offs while improving throttle response.

Inclined secondary injectors direct fuel toward a vertical throttle body, reducing lateral vehicle frame width while maintaining engine response.

A compact intensifier piston arrangement increases fuel injection pressure within the injector body.

Segmented fuel joint with positioning grooves adapts to varying hose angles without increasing component volume.

Elongated spray discharge orifices oriented toward the spark plug center electrode concentrate fuel around the ignition source to improve combustion stability.

Integrating pressure control, relief, and sensing valves inside the fuel pump housing reduces device complexity while maintaining ease of manufacture.

An adaptive fuel delivery module adjusts pump voltage based on engine demand to optimize energy usage.

An inlet check valve isolates the low-pressure feed channel from pressure pulses, ensuring stable delivery to PFI systems.

An asymmetric fuel supply branch with orthogonal inflow and outflow directions reduces pressure pulsation amplification while maintaining stable fuel pressure.

Segmenting the injector allows deep insertion while an overmolded latch protects contacts from corrosion and simplifies assembly.

An integrated holding device merges structural support and wiring protection to resolve space restrictions and damage risks in combustion engines.

Mounting a fuel injector on the lower side of an air cleaner outlet tube preserves internal volume while directing spray toward an internal partition wall.

A fuel derivation circuit directs excess flow to maintain stable pressure in the low pressure supply loop.

A fuel rail damper support applies a biasing force to prevent axial movement, reducing pressure pulsation amplitude.

A fuel distributor uses a thin-walled insert element to separate inflow and damping areas within the base body interior.

Forward injector placement on a motorcycle throttle body reduces intake pipe bends, improving airflow efficiency and engine output.

A two-part closure bolt uses an insert to seal high-pressure fuel lines.

An internal combustion engine fuel supply device uses an airbox-mounted delivery pipe to reduce intake pressure drop and maintain volumetric capacity.

A connector uses an elastic sealing member and urging body to reduce fluid pulsation.

Heated fluid circulation reduces fuel viscosity during cold starts, preventing flow limiter closures and ensuring rapid engine startup.

Separate control base assembly simplifies manufacturing by decoupling bypass valve integration from throttle body machining.

A fuel distributor rail uses separate connecting pieces attached to a main tube via material bonding.

Multi-bore segmentation replaces mechanical carburetors, resolving adaptability versus complexity trade-offs in EFI retrofits.

A tubular bypass valve chamber mates with a sliding valve body to control engine air intake volume through precise metering hole regulation.

A controlled nozzle injection apparatus maintains elevated fuel pressure using a high pressure manifold and dynamic control valve.

Segmented design resolves assembly flexibility versus holding force trade-offs while reducing noise through decoupling.

Resilient dampeners mechanically isolate fuel injectors from engine blocks, reducing noise caused by high-pressure pulsations.

A fuel supply heater offsets laterally from the main frame to secure necessary spacing within tight vehicle dimensions.

A fuel rail assembly uses movable connecting elements and laterally adjustable bracket elements secured by filler material joints.

A fuel system integrates a Venturi nozzle into the pressure control valve's control line to utilize diverted fuel quantity.

A sliding valve body adjusts the opening degree of an intake passage via a seal plane interface.

A fuel supply pressure damper synchronizes reference pressures to maintain the damping membrane at its neutral position for stable operation.