Combustion control by particle filter regeneration
The present invention relates to a process and to a device for controlling the regeneration of a system for collecting carbon-containing elements, such as a particle filter installed on a gaseous flow system, for example in an internal-combustion engine, by means of differential measurement of the f...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
02.12.2003
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Online Access | Get full text |
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Abstract | The present invention relates to a process and to a device for controlling the regeneration of a system for collecting carbon-containing elements, such as a particle filter installed on a gaseous flow system, for example in an internal-combustion engine, by means of differential measurement of the fuel/air ratio of the gas at the boundaries of the filtering element.
Process and device for controlling the regeneration of an element filtering oxidable particles carried along by a gaseous stream, by periodic combustion of these particles, such as, for example, the carbon-containing particles carried along in the exhaust gas of a thermal engine (), retained in an exhaust silencer ().In an application to a thermal engine, the process comprises detecting the variation, measured by detectors (), in the oxygen content of the gaseous stream between at least a first point located upstream, in relation to the direction of flow, from filtering element () receiving the stream and at least a second point located downstream from the first one, resulting from a reaction of combustion of the particles accumulated in the filtering element, initiated by a management element () acting for example on the running of engine (), which allows the latter to adjust with precision the stage of regeneration of the filtering element and therefore to limit overconsumption as far as possible. |
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AbstractList | The present invention relates to a process and to a device for controlling the regeneration of a system for collecting carbon-containing elements, such as a particle filter installed on a gaseous flow system, for example in an internal-combustion engine, by means of differential measurement of the fuel/air ratio of the gas at the boundaries of the filtering element.
Process and device for controlling the regeneration of an element filtering oxidable particles carried along by a gaseous stream, by periodic combustion of these particles, such as, for example, the carbon-containing particles carried along in the exhaust gas of a thermal engine (), retained in an exhaust silencer ().In an application to a thermal engine, the process comprises detecting the variation, measured by detectors (), in the oxygen content of the gaseous stream between at least a first point located upstream, in relation to the direction of flow, from filtering element () receiving the stream and at least a second point located downstream from the first one, resulting from a reaction of combustion of the particles accumulated in the filtering element, initiated by a management element () acting for example on the running of engine (), which allows the latter to adjust with precision the stage of regeneration of the filtering element and therefore to limit overconsumption as far as possible. |
Author | Bouchez, Matthias Dementhon, Jean-Baptiste |
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References | Kurihara et al. (4631076) 19861200 Maaseidvaag et al. (6167696) 20010100 Hardy (4677823) 19870700 Araki et al. (5850735) 19981200 Hasegawa et al. (4574589) 19860300 Stiglic et al. (5050376) 19910900 Muller et al. (4715179) 19871200 Hirota et al. (6233927) 20010500 Shinzawa et al. (4567725) 19860200 Adamczyk, et al. (5524433) 19960600 Okude et al. (6272848) 20010800 |
References_xml | – year: 19860200 ident: 4567725 contributor: fullname: Shinzawa et al. – year: 19960600 ident: 5524433 contributor: fullname: Adamczyk, et al. – year: 20010500 ident: 6233927 contributor: fullname: Hirota et al. – year: 19910900 ident: 5050376 contributor: fullname: Stiglic et al. – year: 19871200 ident: 4715179 contributor: fullname: Muller et al. – year: 20010100 ident: 6167696 contributor: fullname: Maaseidvaag et al. – year: 19860300 ident: 4574589 contributor: fullname: Hasegawa et al. – year: 19861200 ident: 4631076 contributor: fullname: Kurihara et al. – year: 20010800 ident: 6272848 contributor: fullname: Okude et al. – year: 19870700 ident: 4677823 contributor: fullname: Hardy – year: 19981200 ident: 5850735 contributor: fullname: Araki et al. |
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Snippet | The present invention relates to a process and to a device for controlling the regeneration of a system for collecting carbon-containing elements, such as a... |
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Title | Combustion control by particle filter regeneration |
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