Measuring and testing – Vehicle chassis – Steering
Patent
1993-05-14
1994-10-25
Raevis, Robert
Measuring and testing
Vehicle chassis
Steering
73116, G01M 1500
Patent
active
053577884
ABSTRACT:
A misfire detection system for an internal combustion engine is disclosed with the system being used to evaluate wheel rpm fluctuations. This system detects a rough roadway over which the misfire detection is to be inhibited. This detection is made with the aid of wheel rpm signals; that is, signals as they are present for all motor vehicles equipped with anti-locking brake systems and for motor vehicles which utilize the wheel rpm signal for determining road speed. In motor vehicles of this kind, the advantage is provided that the wheel rpm signal has a double use. The advantage is provided that a reliable detection of a rough roadway is possible for all motor vehicles independently of whether wheel rpm signals are used for inhibiting the misfire detection or not.
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Kantschar Anton
Klenk Martin
Kohler Christian
Olsen James M.
Ottesen Walter
Raevis Robert
Robert & Bosch GmbH
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