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Patent Searching and Data


Title:
CONTROL METHOD AND CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2003138976
Kind Code:
A
Abstract:

To precisely control and adjust an exhaust gas post-treatment system without an air mass sensor in a control method of an internal combustion engine by obtaining a first quantity W1 expressing the flow resistance of a first component 115 in the exhaust gas post-treatment system based on a first measured quantity DP1 and a volume flow rate VS.

The volume flow rate VS is found based on a second quantity W2 expressing the flow resistance of a second component 120 of the exhaust gas system, F1 and F2.


Inventors:
PLOTE HOLGER
KRAUTTER ANDREAS
MANSBART MATTHIAS
WALTER MICHAEL
SOJKA JUERGEN
STEGMAIER MATTHIAS
ZEIN THOMAS
Application Number:
JP2002270577A
Publication Date:
May 14, 2003
Filing Date:
September 17, 2002
Export Citation:
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Assignee:
BOSCH GMBH ROBERT
International Classes:
F02D45/00; F01N3/00; F01N3/02; F01N3/18; F01N3/24; F01N9/00; F02D41/02; F02D21/08; (IPC1-7): F02D45/00; F01N3/00; F01N3/02; F01N3/18; F01N3/24
Attorney, Agent or Firm:
Toshio Yano (2 outside)