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

Air-fuel ratio feedback control method for internal combustion engines

US Patent 4617901 · Granted Oct 21, 1986

Estimated economic value: $2,746,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Processor and multiprocessor system2003
Valve operating system in internal combustion engine2002
Valve operating system in internal combustion engine2000
Valve operating system in internal combustion engine1999
Valve operation control device for internal combustion engine1989
Abnormality detecting method for exhaust gas concentration sensor for internal c1989
Intake air quality control method for internal combustion engines at termination1989
Method of selectively adapting an electronic control unit for internal combustio1989
Method for controlling by-pass air flow on deceleration of internal combustion e1988
Method of controlling the fuel supply to internal combustion engines at accelera1988
Method for controlling air/fuel ratio of fuel supply system for an internal comb1988
Fuel supply control method for internal combustion engines at operation in a low1988