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    • 4. 发明申请
    • SYSTEM AND METHOD FOR THE ON-BOARD PRODUCTION OF REDUCTANTS
    • 用于板上生产减速机的系统和方法
    • US20090173058A1
    • 2009-07-09
    • US11971259
    • 2008-01-09
    • Frederic VitseDan HancuBenjamin Hale WinklerGregg Anthony Deluga
    • Frederic VitseDan HancuBenjamin Hale WinklerGregg Anthony Deluga
    • F01N3/00F01N3/20F01N3/18
    • F01N3/208F01N11/00F01N2240/30F01N2560/026F01N2610/03F01N2610/06Y02T10/24Y02T10/47
    • A system is provided for the on-board production of reductants. The system comprises a fuel tank adapted to directly or indirectly supply a first fuel stream and a second fuel stream. An engine is in fluid communication with the fuel tank, and is configured to receive the first fuel stream and create an exhaust stream. The system further includes an emission treatment unit to treat the exhaust stream. A fuel conversion unit is configured to receive the second fuel stream, and also receive a stream comprising oxygen to partially oxidize at least a portion of the second fuel stream thereby forming reductants. In addition, the fuel conversion unit is configured to supply a reductant stream comprising the reductants to the exhaust stream. The invention further provides a method for the on-board production of reductants including supplying a first fuel stream to an engine, wherein the engine is configured to create an exhaust stream. A second fuel stream and a stream comprising oxygen are supplied to a fuel conversion unit. At least a portion of the second fuel stream is partially oxidized in the fuel conversion unit to form reductants, and a reductant stream comprising the reductants is supplied to the exhaust stream. The selective catalytic reduction of NOx present in the exhaust stream is performed.
    • 提供了用于车载生产还原剂的系统。 该系统包括适于直接或间接地供应第一燃料流和第二燃料流的燃料箱。 发动机与燃料箱流体连通,并且构造成接收第一燃料流并产生排气流。 该系统还包括用于处理废气流的排放处理单元。 燃料转换单元被构造成接收第二燃料流,并且还接收包含氧的流以部分地氧化至少一部分第二燃料流,从而形成还原剂。 此外,燃料转化单元构造成将包含还原剂的还原剂流供应到排气流。 本发明还提供一种用于车载生产还原剂的方法,包括向发动机提供第一燃料流,其中发动机被配置成产生排气流。 第二燃料流和包含氧气的流被供应到燃料转化单元。 第二燃料流的至少一部分在燃料转化单元中被部分氧化以形成还原剂,并且将包含还原剂的还原剂流供应到废气流中。 执行排气流中存在的NOx的选择性催化还原。