Method and arrangement for monitoring an air-mass measuring...

Details Method and arrangement for monitoring an air-mass measuring... Method and arrangement for monitoring an air-mass measuring...

2005-08-09

2005-08-09

Argenbright, Tony M. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S103000, C701S109000, C701S110000, C073S118040

Reexamination Certificate

active

06928360

ABSTRACT:
An arrangement for monitoring an air-mass measuring device (1) includes an electrically driven compressor (10) in an air supply of an internal combustion engine (5). The arrangement makes possible a precise modeling of the air mass flow. An air mass flow in the air supply is modeled in dependence upon a compressor rpm and a compressor pressure ratio and is compared to an air mass flow measured by the air-mass measuring device (1). The invention is also directed to a method for monitoring the air-mass measuring device (1).

REFERENCES:
patent: 5771476 (1998-06-01), Mufford et al.
patent: 6041593 (2000-03-01), Karlsson et al.

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