About 14 results
https://drivepatents.com/patents/937990 · 14 Sep 2016
The purpose of the present invention is to provide an engine with which calculation errors related to EGR gas weight can be inhibited on the basis of an operation state. Accordingly, provided is an engine 1 which is provided with an EGR device 8 for recirc...
https://drivepatents.com/patents/957807 · 9 Sep 2015
It is an object of the present invention to improve estimation accuracy of an air excess ratio within a fuel spray and quickly cause the air excess ratio to approximate to a target value when the engine load factor rises. An internal combustion engine cont...
https://drivepatents.com/patents/962310 · 18 Mar 2015
An internal combustion engine includes an EGR system 10 having an EGR valve 12 and a reed valve 13 in an EGR passage Eg, and is provided with a control device 20 that expresses a relationship between an opening degree x egr of the EGR valve 12 and a mass f...
https://drivepatents.com/patents/967015 · 26 Nov 2014
A control apparatus for an internal combustion engine having a throttle valve disposed in an intake passage of the engine is provided. A wide-open intake air amount, which is an intake air amount corresponding to a state where the throttle valve is fully o...
https://drivepatents.com/patents/976832 · 2 Apr 2014
An object of the invention is to provide an internal combustion engine control apparatus that can restrain an EGR amount from becoming excessive, and restrain destabilization of combustion...First, in response to a change of an operation condition, operati...
https://drivepatents.com/patents/979412 · 22 Jan 2014
A method of determining a correction amount of an opening degree of an EGR valve, comprising: a basic correction amount map generating step of generating a basic correction amount map BCM indicating a correlation between the rotating speed, the load factor...
https://drivepatents.com/patents/980419 · 25 Dec 2013
An exhaust gas recycling control system comprising a combustion device (10) having an exhaust end (12) connected with a recycling tube (30) to an inlet end (11), the recycling tube (30) including a control valve (40) to control the recycling tube (30) bein...
https://drivepatents.com/patents/992635 · 27 Feb 2013
The recirculation device (1) has a main exhaust gas return line (4) and an auxiliary main exhaust gas return line (7) that are separated by separate lines of exhaust gas side (16) of combustion engine. Exhaust gas manifold end regions (10,11) are arranged ...
https://drivepatents.com/patents/998193 · 19 Sep 2012
Disclosed is a control device (80) for an internal combustion engine that is used with an internal combustion engine (10) having an EGR catalyst (64) and an EGR valve (70) in an EGR path (62) for connecting an exhaust path (44) to an intake path (12), and ...
https://drivepatents.com/patents/1000772 · 4 Jul 2012
A determination is made more simply as to a malfunction of a low pressure EGR device that supplies an EGR gas from a low pressure EGR passage connecting between an exhaust passage at a location downstream of a turbine and an intake passage. Provision is ma...