Apparatus and method for detecting combustion conditions of an i

Details Apparatus and method for detecting combustion conditions of an i Apparatus and method for detecting combustion conditions of an i

1996-05-07

1998-04-07

Dombroske, George M.

Measuring and testing

Vehicle chassis

Steering

G01M 1500

Patent

active

057366349

ABSTRACT:
Top dead center (TDC) is obtained by counting the number of unit angle signals from a reference angle signal for each cylinder, and combustion conditions of the engine are then detected based on fluctuations in the period of the top dead center. Here the unit angle signals occurring from after the reference angle signal until the TDC following the subsequent reference angle signal are counted, and the count number of the unit angle signals from after the reference angle signal until when the TDC is obtained, is modified based on a difference between the counted number and a reference value.

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patent: 5361629 (1994-11-01), McCombie
patent: 5387253 (1995-02-01), Remboski, Jr. et al.
patent: 5440921 (1995-08-01), Matsuno et al.
patent: 5481909 (1996-01-01), Deutsch et al.
patent: 5548995 (1996-08-01), Clinton et al.
patent: 5561600 (1996-10-01), McCombie
patent: 5574217 (1996-11-01), McCombie

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