Defect recognition device for internal-combustion engines and pr

Details Defect recognition device for internal-combustion engines and pr Defect recognition device for internal-combustion engines and pr

1998-07-31

2000-04-18

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123690, 123692, 123 9015, 60602, F02D 4100

Patent

active

060502509

ABSTRACT:
A defect recognition device is provided for internal-combustion engines, as well as a process for operating an internal-combustion engine having at least two exhaust gas trains, with one lambda probe respectively being in each exhaust gas train. A joint measuring device detects the supplied air and a joint timing device apportions the fuel. The lambda probes, which generate a continuous signal for the lambda value of the exhaust gas, are used to provide improved defect recognition. The defect recognition device recognizes a defect when the signals supplied by the lambda probes deviate from one another.

REFERENCES:
patent: 4127088 (1978-11-01), Ezoe
patent: 5247793 (1993-09-01), Yamada et al.

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