Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Air-fuel ratio control method and apparatus for internal combustion engines

Air-fuel ratio control method and apparatus for internal combustion engines

US Patent 4400944 · Granted Aug 30, 1983

Estimated economic value: $49,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pressure ring2020
Flow rate controller of internal combustion engine2016
Internal combustion engine exhaust gas system and control method of the same2012
Fuel injection system of compression ignition internal combustion engine2012
Fuel injection control apparatus and fuel injection control method for internal 2012
Fuel injection control apparatus and fuel injection control method2011
Exhaust gas purification system for internal combustion engine2008
Information processing apparatus, menu processing method and recording medium st2007
Exhaust gas purifying device and method for internal combustion engine2007
Exhaust gas purification system for internal combustion engine2007
Exhaust emission control apparatus and method for internal combustion engine2005
Variable-nozzle type turbo charger1999