Procedure for the determination of the Lambda values with a...

Details Procedure for the determination of the Lambda values with a... Procedure for the determination of the Lambda values with a...

2006-06-21

2011-12-13

Hendricks, Keith (Department: 1724)

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For oxygen or oxygen containing compound

C205S783500, C205S784000, C204S424000, C073S023310, C073S023320

Reexamination Certificate

active

08075759

ABSTRACT:
A procedure to calculate the Lambda value with a wideband Lambda sensor of an internal combustion engine of a motor vehicle is thereby characterized, in that from the measured pumping electricity and the sensitivities of the wideband Lambda sensor as well as the gas concentration ratios, in the lean operation an oxygen concentration and in the rich operation an oxygen deficit are determined and from these respectively a conclusion is drawn about the Lambda value using the Pischinger Formula.

REFERENCES:
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patent: 5249453 (1993-10-01), Usami et al.
patent: 5265458 (1993-11-01), Usami et al.
patent: 2001/0052341 (2001-12-01), Sasaki et al.
patent: 102 16 724 (2002-04-01), None
patent: 4-369471 (1992-12-01), None
patent: 6-273381 (1994-09-01), None

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