Method for detecting lean limit by means of ionic current in an

Details Method for detecting lean limit by means of ionic current in an Method for detecting lean limit by means of ionic current in an

1993-07-14

1995-09-26

Raevis, Robert

Measuring and testing

Test stand

For engine

G01M 1500

Patent

active

054526035

ABSTRACT:
An object of the invention is to detect an upper limit of a lean burn zone in an internal combustion engine in each ignition. The lean limit is detected on the basis of the characteristics of the ionic current in a cylinder of the engine immediately after ignition.

REFERENCES:
patent: 4125374 (1978-11-01), Bode et al.
patent: 4574627 (1986-03-01), Sakurai et al.
patent: 5180984 (1993-01-01), Murata et al.
patent: 5271268 (1993-12-01), Ikeuchi et al.

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