Patent · US Expired

Air fuel ratio control

US5899191A · kind A · utility

23Cited by
11References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1996
Grant dateMay 4, 1999
Priority date
Expiry dateDec 13, 2016

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02D2400/08
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An engine management system comprising engine control unit (17) which receives throttle position signals from at least two throttle position sensors (15); compares the signals; selects a preferred signal in response to a discrepancy between the signals; and operates the engine using that preferred signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.