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Patent Searching and Data


Title:
EXHAUST GAS REFLUX CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JPH06257517
Kind Code:
A
Abstract:

PURPOSE: To supply the optimum EGR quantity even when the temperature of an EGR valve is in a transient condition.

CONSTITUTION: A reflux pipe 4 for circulating the exhaust gas of an internal combustion engine 1 to an intake pipe 2 via an EGR(exhaust gas reflux) valve 5 is provided and a temperature detection means 9 is provided at the EGR valve 5. And controllers 6, 8 are also provided for calculating the opening of the EGR valve 5 based on rotational speed and a fuel injection quantity of the internal combustion engine 1, and for opening/closing the EGR valve 5 based on the calculated result.


Inventors:
Takamatsu, Masashi
Application Number:
JP1993000043969
Publication Date:
September 13, 1994
Filing Date:
March 04, 1993
Export Citation:
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Assignee:
TOYOTA AUTOM LOOM WORKS LTD
International Classes:
F02M25/07; (IPC1-7): F02M25/07
Attorney, Agent or Firm:
恩田 博宣