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Patent Searching and Data


Title:
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2011069263
Kind Code:
A
Abstract:

To provide a control device for an internal combustion engine inhibiting contamination of intake components such as an air flow meter and compressor surge when a failure of an LPL (Low Pressure Loop) throttle valve occurs.

When number of times of states that a calculated feedback coefficient is larger than an upper limit value or less than lower limit value is not less than predetermined prescribed number of times, it is considered as a failure of an LPL throttle valve 204, LPL throttle valve opening is set to a default state by stopping control of the LPL throttle valve 204, and control of LPL-EGR is stopped.


Inventors:
OGAWA MASARU
Application Number:
JP2009219757A
Publication Date:
April 07, 2011
Filing Date:
September 24, 2009
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F02D21/08; F02D9/02; F02M25/07
Domestic Patent References:
JP2000087806A2000-03-28
JPH07166971A1995-06-27
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada