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公开(公告)号:WO2004113691A2
公开(公告)日:2004-12-29
申请号:PCT/GB2004/002643
申请日:2004-06-18
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , ALLANSSON, Eive, Tord, Ronny , ANDREASSON, Anders, Klas , GOERSMANN, Claus, Friedrich , LAVENIUS, Mats , TWIGG, Martyn, Vincent , WALKER, Andrew, Peter
Inventor: ALLANSSON, Eive, Tord, Ronny , ANDREASSON, Anders, Klas , GOERSMANN, Claus, Friedrich , LAVENIUS, Mats , TWIGG, Martyn, Vincent , WALKER, Andrew, Peter
IPC: F01N3/02
CPC classification number: F01N3/0878 , B01D53/90 , B01D53/9495 , F01N3/0231 , F01N3/0233 , F01N3/035 , F01N3/0814 , F01N3/0821 , F01N3/0842 , F01N3/0871 , F01N3/206 , F01N3/208 , F01N3/2093 , F01N9/007 , F01N13/009 , F01N13/0097 , F01N13/011 , F01N2550/03 , F01N2560/026 , F01N2610/02 , F01N2610/03 , F02D41/0072 , F02D41/1404 , F02D41/1405 , F02D41/1446 , F02D41/1456 , F02D41/146 , F02D41/1462 , F02D2200/0406 , Y02A50/2325 , Y02C20/10 , Y02T10/24 , Y02T10/47
Abstract: An exhaust system (10) for a vehicular lean-bum internal combustion engine (12) comprises a NO x reduction catalyst (18), a source of reductant, means (20) for contacting the catalyst (18) with the reductant, means (TC1) for sensing the temperature of the exhaust gas and/or the catalyst bed and means, when in use, for controlling reductant addition, wherein the reductant addition control means supplies an amount of reductant to the catalyst at a rate corresponding to a measured temperature value of the exhaust gas and/or catalyst bed, which temperature value has been pre-determined to correlate, in use, with an amount of NO x in the exhaust gas.
Abstract translation: 用于车辆贫燃烧内燃机(12)的排气系统(10)包括NOx还原催化剂(18),还原剂源,用于使催化剂(18)与还原剂接触的装置(20),装置(TC1 ),用于感测废气和/或催化剂床的温度,并且在使用时用于控制还原剂添加的装置,其中还原剂添加控制装置以对应于测量的温度值的速率向催化剂供应一定量的还原剂 的废气和/或催化剂床,该温度值已经被预先确定,以在使用中与废气中的NOx的量相关联。
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公开(公告)号:WO2004113692A1
公开(公告)日:2004-12-29
申请号:PCT/GB2004/002645
申请日:2004-06-18
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , ALLANSSON, Eive, Tord, Ronny , ANDREASSON, Anders, Klas , LAVENIUS, Mats
IPC: F01N3/023
CPC classification number: F01N3/0233 , F01N3/0211 , F01N3/022 , F01N3/0231 , F01N3/035 , F01N3/2093 , F01N13/009 , F01N13/0093
Abstract: A process for treating an exhaust gas of a lean-bum reciprocating internal combustion engine comprising the steps of collecting particulate matter (PM) on a first filter (26) and combusting a carbon fraction thereof, periodically reversing the direction of gas flow through the first filter (20) thereby displacing uncombusted PM from the erstwhile upstream side thereof and collecting at least part of the displaced PM on a second filter (34).
Abstract translation: 一种用于处理贫燃循环内燃机的排气的方法,包括以下步骤:在第一过滤器(26)上收集颗粒物质(PM)并燃烧其碳分数,周期性地逆转通过第一 过滤器(20),从而将未燃烧的PM从其上游侧排出,并将至少部分位移的PM收集在第二过滤器(34)上。
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公开(公告)号:WO2009116902A1
公开(公告)日:2009-09-24
申请号:PCT/SE2008/050291
申请日:2008-03-17
Applicant: HUSQVARNA AB , LARSSON, Mikael , CARLSSON, Bo , LANDÉN, Björn , LAVENIUS, Mats
Inventor: LARSSON, Mikael , CARLSSON, Bo , LANDÉN, Björn , LAVENIUS, Mats
IPC: F02M17/12 , F01P1/02 , F02D41/08 , F02D41/34 , F02D43/00 , F02M23/03 , F02M37/02 , F02M63/00 , F02P17/02 , F02P5/02
CPC classification number: F02D37/02 , F02B63/02 , F02D9/105 , F02D9/1055 , F02D11/106 , F02D35/0007 , F02D35/0053 , F02D41/067 , F02D41/08 , F02D2200/0404 , F02D2400/06 , F02D2400/14 , F02M17/04 , F02M17/12 , F16K31/082 , F16K37/0033 , F16K37/0041 , G01D5/2492 , Y10T137/87507
Abstract: A fuel supply unit (1) is provided e.g. a carbu rettor or a low pressure injection system of an internal combustion engine. The fuel supply unit (1) include s a main air passage (3), which has a throttle valve (8, 9) mount ed therein and the throttle valve (8, 9) includes a throttle shaft (8 ) extending between two to one another opposite located shaft sides (6, 7). A control module (2) for th e fuel supply (2) is mounted to one (7) of the shaft sides (6, 7), which control modul e (2) includes throttl e position detecting means (30; 300) for monitoring the position of the throttle valve (8, 9), and fuel valve means (60) for controlling th e fuel supply to the main air passage (3). Also, an ignition system is provided which is able to control the ignition timing with respect to status of the at least one of the means (30; 300, 40, 60, 100) in the control module (2) in order to at least control the idle speed of the engine. The ignition system further being arranged to power at least one of the means (30; 300, 40, 60, 100) of the control module (2).
Abstract translation: 燃料供给单元(1) 内燃机的卡布脱水机或低压喷射系统。 燃料供给单元(1)包括具有安装在其中的节流阀(8,9)的sa主空气通路(3),节气门(8,9)包括在两对一之间延伸的节流轴(8) 另一个相对的位置轴侧(6,7)。 用于燃料供应(2)的控制模块(2)安装到一个(7)轴侧(6,7)中,该控制模块(2)包括用于位置检测装置(30; 300) 监视节气门(8,9)的位置,以及用于控制向主空气通路(3)供油的燃料阀装置(60)。 而且,提供一种点火系统,其能够相对于控制模块(2)中的至少一个装置(30; 300,40,60,100)的状态来控制点火正时,以至少 控制发动机的怠速。 点火系统还被布置成为控制模块(2)的装置(30; 300,40,60,100)中的至少一个供电。
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公开(公告)号:WO2008108693A1
公开(公告)日:2008-09-12
申请号:PCT/SE2007/000222
申请日:2007-03-05
Applicant: HUSQVARNA AKTIEBOLAG , LAVENIUS, Mats , TALEN, Bertil
Inventor: LAVENIUS, Mats , TALEN, Bertil
CPC classification number: F16K31/006 , F02M51/0603 , H01L41/0973
Abstract: A fluid valve comprising a valve body (1) having an chamber (2), the chamber (2) confined by a chamber lower end portion (7), a chamber upper end portion (8) and chamber wall(s) (6), the chamber (2) having at least a two ports (3, 4), a first port (3) and a second port (4) for communicating fluid to and from the chamber (2), and further a piezoelectric valve member (5) in the chamber (2) for controlling fluid flow between the at least two ports (3, 4), and the valve member (5) is a piezoelectric ring actuator of bender type which is aligned substantially parallel to the lower end portion (7) and at a distance (hi) from the lower end portion (7), the valve member (5) having a substantially centred opening (9).
Abstract translation: 一种流体阀,包括具有腔室(2)的阀体(1),由腔室下端部分(7)限定的腔室(2),腔室上端部分(8)和腔室壁(6) ,所述腔室(2)具有至少两个端口(3,4),第一端口(3)和第二端口(4),用于将流体连通到所述腔室(2),并且还具有压电阀构件 5)在用于控制至少两个端口(3,4)之间的流体流动的腔室(2)中,并且阀构件(5)是基本上平行于下端部分的弯曲器类型的压电环致动器 7),并且在与下端部(7)的距离(hi)处,阀构件(5)具有大致中心的开口(9)。
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公开(公告)号:WO2004113693A1
公开(公告)日:2004-12-29
申请号:PCT/GB2004/002612
申请日:2004-06-18
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , ALLANSSON, Eive, Tord, Ronny , ANDREASSON, Anders, Dlas , LAVENIUS, Mats
IPC: F01N3/08
CPC classification number: F01N13/0097 , B01D53/9481 , B01D53/96 , F01N3/0231 , F01N3/0233 , F01N3/035 , F01N3/0814 , F01N3/0821 , F01N3/0842 , F01N3/0871 , F01N3/0878 , F01N3/2093 , F01N13/009 , F01N13/011 , F01N2610/02 , F01N2610/03 , F01N2610/04 , F02M26/15 , F02M26/16 , F02M26/71 , F02M63/0225
Abstract: A method of treating an exhaust gas of a lean-burn reciprocating engine comprises sorbing NO x on at least one NO x sorber (30A; 30B) when the exhaust gas is lean, intermittently contacting the at least one NO x sorber with an agent effective to convert NO x to N 2 , thereby to regenerate the at least one NO x sorber and feeding effluent of said intermittent contacting step to the engine inlet (14).
Abstract translation: 一种处理贫燃往复式发动机的废气的方法包括当排气稀的时候在至少一个NOx吸附器(30A; 30B)上吸附NOx,间歇地使至少一个NOx吸附剂与有效转化NOx的试剂接触 从而使所述至少一个NOx吸附器再生并将所述间歇接触步骤的流出物进料到所述发动机入口(14)。
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公开(公告)号:WO2004113691A3
公开(公告)日:2004-12-29
申请号:PCT/GB2004/002643
申请日:2004-06-18
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , ALLANSSON, Eive, Tord, Ronny , ANDREASSON, Anders, Klas , GOERSMANN, Claus, Friedrich , LAVENIUS, Mats , TWIGG, Martyn, Vincent , WALKER, Andrew, Peter
Inventor: ALLANSSON, Eive, Tord, Ronny , ANDREASSON, Anders, Klas , GOERSMANN, Claus, Friedrich , LAVENIUS, Mats , TWIGG, Martyn, Vincent , WALKER, Andrew, Peter
IPC: F01N3/02
Abstract: An exhaust system (10) for a vehicular lean-bum internal combustion engine (12) comprises a NO x reduction catalyst (18), a source of reductant, means (20) for contacting the catalyst (18) with the reductant, means (TC1) for sensing the temperature of the exhaust gas and/or the catalyst bed and means, when in use, for controlling reductant addition, wherein the reductant addition control means supplies an amount of reductant to the catalyst at a rate corresponding to a measured temperature value of the exhaust gas and/or catalyst bed, which temperature value has been pre-determined to correlate, in use, with an amount of NO x in the exhaust gas.
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公开(公告)号:WO2003081000A1
公开(公告)日:2003-10-02
申请号:PCT/GB2003/001165
申请日:2003-03-19
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY , ALLANSSON, Ronny , LAVENIUS, Mats, Ragnar, Frederik , WALKER, Andrew, Peter
IPC: F01N3/023
CPC classification number: F01N3/0235 , B01D53/9431 , B01D53/9495 , F01N3/0231 , F01N3/08 , F01N3/0814 , F01N3/0821 , F01N3/0842 , F01N9/002 , F01N2260/14 , F01N2570/14 , F02B2075/125 , Y02T10/47
Abstract: An exhaust gas aftertreatment system for an internal combustion engine comprises a conduit for carrying a flowing exhaust gas, at least one filter for particulate matter, an oxidation catalyst for oxidising nitrogen monoxide (NO) to nitrogen dioxide (N0 2 ) which catalyst is disposed upstream of the at least one filter, means for limiting flow of an exhaust gas in the conduit comprising a cut-off valve disposed in the conduit and control means selectively to operate the means for increasing the back-pressure thereby to increase the temperature in the system.
Abstract translation: 用于内燃机的废气后处理系统包括用于承载流动废气的管道,至少一个颗粒物质过滤器,用于将一氧化氮(NO)氧化成二氧化氮(NO 2)的氧化催化剂,该催化剂位于 所述至少一个过滤器用于限制管道中排气的流动的装置,包括设置在管道中的截止阀和控制装置,以选择性地操作用于增加背压的装置,从而增加系统中的温度。
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