Method for detecting knocking

Details Method for detecting knocking Method for detecting knocking

1996-04-01

1998-04-28

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

73 3505, G01M 1500, G01D 118, G01L 2322, G01H 100

Patent

active

057432333

ABSTRACT:
A method for detecting knocking provides for weighting or limitation of the knocking threshold. For this purpose, on the one hand a normal range of the reference level is defined and in the case of a deviation from this normal range the knocking threshold is multiplied by a weighting factor less than 1 and, alternatively, the knocking threshold is limited when a prescribable limit value is reached.

REFERENCES:
patent: 4391126 (1983-07-01), Van Zanten
patent: 4593553 (1986-06-01), Bonitz et al.
patent: 4699106 (1987-10-01), Haraguchi et al.
patent: 5115778 (1992-05-01), Holroyd
patent: 5140962 (1992-08-01), Iwata
patent: 5144929 (1992-09-01), Hosoya et al.
patent: 5460031 (1995-10-01), Fujishita et al.

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