Segmenting valve operators allows selective intake closure without complex exhaust mechanisms, lowering manufacturing costs and engine pumping losses.
A fuel injection control method modulates cylinder-specific fuel amounts using oxygen sensor roughness to correct air-fuel ratio deviations.
Engine control logic estimates three-way catalyst oxygen storage capacity using measured CO, H2, and O2 concentrations at the inlet and outlet.
Merging post-injection events reduces fuel dilution and pollution while maintaining particulate filter temperature.
A cylinder injection valve delivers fuel during specific crank angle sections to promote vaporization and stabilize combustion in internal combustion engines.
Adjusts direct injection timing after overrun cutoff to reduce particle emissions and prevent piston wetting while maintaining driving comfort.
A vehicle controller manages start-stop coasting and idle stop-go functions using sensor data to activate engine stopping.
Disables the high-pressure fuel pump to compare sensor readings against feed pressure, correcting measurement inaccuracies below 2 MPa.
A digital hydraulic engine uses a heat exchanger to preheat intake air before combustion.
Dynamic throttle adjustment balances restartability against vibration levels by varying opening degree according to real-time vehicle operating conditions.
Fuel injection valves inject fuel into the scavenging port to achieve stratified scavenging and suppress blow-by emissions without high-pressure systems.
Segmented protrusions generate vortices that enhance combustion efficiency while reducing device complexity.
A closed loop control device regulates turbocharger actuators to maintain compressor operating points within a safe zone.
Dynamic valve overlap control reduces pumping loss while preventing premature ignition across varying engine speed ranges.
A control device sets target acceleration to produce highest jerk at specific accelerator openings.
A fuel injection device divides the combustion chamber into multiple zones to precisely control in-cylinder pressure and thermal efficiency.
A multi-cylinder internal combustion engine couples pistons to a crankshaft for rotational motion.
A processing sub-system computes position-force trajectories for free-piston assemblies to achieve desired engine performance.
Secondary air injection into enriched exhaust gases creates an exotherm to heat a gasoline particulate filter.
A compressed gas valve extracts gas from an internal combustion engine during deceleration to power mechanical functions.
Symmetric port geometry and variable compression ratio resolve emission penalties while increasing power density and thermal efficiency.
An engine speed governor limits rotation below clutch engagement thresholds during startup.
A water jet propulsion boat speed control device manages mode transitions between regular and set states using a dedicated controller.
A derate strategy manages coolant temperature in exhaust gas recirculation coolers by adjusting engine fuel delivery.
Segmented actuation fluid circuits enable independent fuel pressure control, resolving common-rail adaptability limits.
A control valve method measures upstream pressure profiles to determine fluid density and precise fuel volume flow rates.
Relocating the fuel quantity control valve to a separate control surface resolves maintenance access issues while keeping hydraulic connections compact.
Statistical analysis of knock intensity distributions enables dynamic engine control parameter adjustments for optimized combustion management.
Electronic control system processes fluid-dynamic models to estimate effective EGR percentage and lambda.
A valve with a bypass notch guides exhaust flow over an oxygen sensor to increase gas velocity, resolving low signal-to-noise ratios during light engine loads.
A control system calculates optimal engine torque directly from real-time operating conditions using provisional intake air amounts.
Multiple Hall sensors compare flux densities to reject disturbance magnetic fields and ensure accurate throttle opening detection.
A variable valve timing system uses minimum speed positions to calculate camshaft phase shifts without direct position sensors.
A controller measures line-to-line voltages during motor free-spinning to determine rotor position without continuous variable speed drive power.
Segmented fuel injection strategies enhance air utilization in diesel engines while preventing premature ignition risks.
Intermittent direct injector operation prevents high-pressure fuel rail stagnation and vaporization, reducing metering errors and NVH issues.
Modifying scavenging gas composition via a fuel reformer reduces nitrogen oxide emissions while maintaining combustion efficiency.
A fuel injection control device analyzes coil current frequency spectra to detect valve-opening timing with high precision.
A pressure controller adjusts voltage applied to a fuel pump motor using a provisional target value during engine ignition wait periods.
Dynamic control system adapts engine operation to varying fuel compositions, eliminating the need for multiple static calibrations.
A control system calculates surge margins using engine sensors to adjust operating parameters before instability occurs.
An air-bypass valve control unit increases opening degree to reduce supercharging pressure in turbocharged engines.
Propulsion engines operate in generator mode to charge vessel batteries, eliminating standalone generators that create noise and occupy space.
On-board control system reads unique electronic trim files from fuel injectors to populate a data structure upon activation.
A solenoid valve armature plate uses a weakened zone to deflect against thermal expansion, maintaining consistent fuel injection stroke.
A turbocharger waste gate valve control system adjusts opening degrees to manage exhaust flow during engine operation.
Feed-forward control calculates turbine flow from total boost pressure to eliminate time lag in two-stage turbochargers without relying on closed-loop feedback.
A compression-ignition engine control system uses a spark plug to ignite a stratified air-fuel mixture for stable combustion.
A control system manages liquid and gaseous fuel delivery across various engine operating points to maintain optimal performance.
A control unit adjusts electric current pulse duration to minimize kinetic energy at impact in electromagnetic actuators.