METHOD AND DEVICE FOR IDENTIFYING KNOCKING OF INTERNAL COMBUSTION ENGINE HAVING AT LEAST ONE CYLINDER

Title:

METHOD AND DEVICE FOR IDENTIFYING KNOCKING OF INTERNAL COMBUSTION ENGINE HAVING AT LEAST ONE CYLINDER

Document Type and Number:

Japanese Patent JP2011140960

Kind Code:

A

Abstract:

To provide a method and a corresponding device for identifying knocking of an internal combustion engine having at least one cylinder, for improving reliability in knocking identification in a switching phase of a filter characteristic.

A corner frequency on the upper side of a passing band of a band-pass filter and/or a corner frequency on the lower side, are changed properly to the cylinder and/or by depending on a rotating speed.

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Inventors:

SAULER JUERGEN
FRANKE STEFFEN
UNLAND STEFAN
TORNO OSKAR
HEINSTEIN AXEL
KLUTH CARSTEN
HAEMING WERNER
BAEUERLE MICHAEL

Application Number:

JP2011096360A

Publication Date:

July 21, 2011

Filing Date:

April 22, 2011

Export Citation:

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Assignee:

BOSCH GMBH ROBERT

International Classes:

F02P5/152; F02D35/00; G01L23/22; F02D45/00

Domestic Patent References:

JPH07103856A	1995-04-21
JPS6454227A	1989-03-01
JPH06200859A	1994-07-19

Attorney, Agent or Firm:

Takuya Kuno
Toshio Yano
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard

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