Test method for an exhaust gas catalytic converter and a...

Details Test method for an exhaust gas catalytic converter and a... Test method for an exhaust gas catalytic converter and a...

2005-04-12

2005-04-12

McCall, Eric S. (Department: 2855)

Measuring and testing

Turbine engine

Compressor

C073S118040

Reexamination Certificate

active

06877366

ABSTRACT:
A test method for an exhaust gas catalytic converter (8) of an internal combustion engine (1) comprises the steps of: test injection of fuel during the expansion stroke and/or during the exhaust stroke of the internal combustion engine (1), conversion in the exhaust gas catalytic converter (8) of at least a part of the unburned fuel contained in the exhaust gas of the internal combustion engine, determination of the quantity of fuel not converted by the exhaust gas catalytic converter (8) and determination from the quantity of unconverted fuel of the operating capacity of the exhaust gas catalytic converter (8).

REFERENCES:
patent: 5431011 (1995-07-01), Casarella et al.
patent: 5553450 (1996-09-01), Schnaibel et al.
patent: 5842339 (1998-12-01), Bush et al.
patent: 5847271 (1998-12-01), Poublon et al.
patent: 6354269 (2002-03-01), Saito et al.
patent: 41 00 397 (1991-08-01), None

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