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公开(公告)号：US20180202339A1
公开(公告)日：2018-07-19
申请号：US15742823
申请日：2016-06-28
发明人： Jens NIEMEYER , Tim SPÄDER
摘要： A method for operating a system having an internal combustion engine and an exhaust aftertreatment system having an SCR catalyst, wherein the internal combustion engine is controlled on the basis of at least one process parameter that influences a nitrogen oxide raw emission, wherein aging detection is performed for the SCR catalyst, wherein in a first operating mode of the internal combustion engine, if aging of the SCR catalyst is detected, the at least one process parameter is changed in the direction of a reduced nitrogen oxide raw emission, wherein the internal combustion engine is controlled on the basis of the changed at least one process parameter.
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公开(公告)号：US20180195452A1
公开(公告)日：2018-07-12
申请号：US15740921
申请日：2016-07-07
发明人： Jan BOYDE , Wolfgang FIMML , Erika SCHÄFER
摘要： A method for compensating valve drift in an internal combustion engine having a variable valve train; in the method, an actual value of the current operating state of the internal combustion engine is determined in an air expenditure map and compared to a desired value of the air expenditure map, whereupon the air expenditure map is corrected.
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公开(公告)号：US20180149060A1
公开(公告)日：2018-05-31
申请号：US15570431
申请日：2016-04-21
发明人： Marc HEHLE , Olaf SCHÄFER-WELSEN , Claudia RIEDEL
CPC分类号： F01N3/2892 , F01N3/2066 , F01N2340/06 , F01N2570/14 , F01N2610/00 , F01N2610/1453 , F02B37/00 , Y02T10/24
摘要： An exhaust-gas aftertreatment system for an internal combustion engine, having a catalyst device, which is designed to catalytically react at least one exhaust-gas component with a reactant, and a reactant-metering device, which is arranged upstream of the catalyst device along a flow path of the exhaust gas through the exhaust-gas aftertreatment system. The reactant-metering device has at least one exhaust-gas flow nozzle.
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公开(公告)号：US09982633B2
公开(公告)日：2018-05-29
申请号：US14780912
申请日：2014-01-20
发明人： Andreas Flohr , Andreas Geller
IPC分类号： F02M21/04 , F02D41/00 , F02B29/04 , F02D19/02 , F02D19/10 , F02M43/00 , F02B37/16 , F02M25/07 , F02D41/14
CPC分类号： F02M21/04 , F02B29/0418 , F02B37/16 , F02D19/023 , F02D19/105 , F02D41/0027 , F02D2041/1433 , F02D2041/1434 , F02D2200/0402 , F02M21/047 , F02M25/0706 , F02M26/04 , F02M43/00 , Y02T10/144 , Y02T10/146 , Y02T10/32 , Y02T10/36
摘要： A gas internal combustion engine, having a gas mixer, an intake section and an engine to which a fuel mixture having a charging mixture is fed. The engine is operated in the gas mode with gas as the fuel in the charging mixture. By an input mixture portion, from an earlier mixture state, of a gas/air mixture, an output mixture portion, from a later mixture state, of the gas/air mixture is determined by an intake section model. The output mixture portion is determined at an engine feed, the input mixture portion is determined over a number of intermediate states of the mixture portion in a number of assigned volumes of the intake section. The intake mixture portion of a gas/air mixture is determined at the gas mixer, and an air stream and/or gas stream is set at the gas mixer in accordance with the input mixture portion.
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公开(公告)号：US09890720B2
公开(公告)日：2018-02-13
申请号：US14780939
申请日：2014-01-20
CPC分类号： F02D41/0007 , F02B37/16 , F02D19/0642 , F02D23/02 , F02D41/0025 , F02D41/0027 , F02D41/18 , F02D41/263 , F02D2041/1433 , F02D2200/0402 , Y02T10/36
摘要： A method for operating an internal combustion engine, which has: an intake section and an engine with an number of cylinders and a receiver which is arranged upstream of the cylinders wherein the intake section has: a supercharging system with a compressor and a bypass for bypassing the supercharging system, and wherein the receiver is assigned an engine throttle, and the bypass is assigned a compressor bypass throttle; and a setting of the engine throttle and/or of the compressor bypass throttle is set as a function of the operation in order to influence a charge fluid. The intake section is assigned an intake section model by which at least a mass flow and/or state of the charge fluid upstream of the engine are/is determined and on the basis of a determination result the compressor bypass throttle is set as a function of the engine throttle.
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公开(公告)号：US20180016996A1
公开(公告)日：2018-01-18
申请号：US15544953
申请日：2016-01-15
发明人： Alexander BERNHARD , Wolfgang FIMML
CPC分类号： F02D41/0007 , F02D41/10 , F02D41/2416 , F02D41/2422 , Y02T10/144
摘要： A method for operating an internal combustion engine having a turbocharger, wherein a fuel quantity is supplied to the combustion chamber of the engine in a stationary state, which fuel quantity is determined according to a first predetermined relationship between a load requirement to the engine and a rating determining a fuel quantity to be supplied to the combustion chamber, wherein a second predetermined relationship between the rating and the load requirement is used, wherein according to the second relationship, a given load requirement is assigned a larger quantity of fuel than according to the first relationship. In a transient state of the engine, the fuel quantity supplied to the combustion chamber is determined based on an interpolated value of the rating, which is determined for the rating by an interpolation between a value resulting from the first relationship and a value resulting from the second relationship.
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公开(公告)号：US20170218805A1
公开(公告)日：2017-08-03
申请号：US15500790
申请日：2015-08-04
发明人： Arndt VON DRATHEN , Hubert OHMAYER , Hennig BÖHLE
CPC分类号： F01N1/065 , F01N3/02 , F01N2230/00 , F01N2260/02 , F01N2270/02 , F01N2470/08
摘要： An emission signature modification device for modifying an acoustic signature of an exhaust gas stream, including an exhaust gas guiding device that guides the exhaust gas stream in the flow direction thereof from an inlet area to an outlet area. An active acoustic emission modification device modifies the acoustic emission of the exhaust gas stream in predetermined operating states. If an actuator system of the active acoustic emission modification device is designed such that in a circumferential direction, the actuator system is surrounded by more than 30% of the guided exhaust gas stream, the actuating system can be protected against harmful influences from the environment by way of the exhaust gas guiding device on the one hand, and on the other hand, the required space signifier can be reduced as compared to a lateral, external arrangement of the actuating system.
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78.发明申请公开(公告)号：US20170067409A1
公开(公告)日：2017-03-09
申请号：US15122830
申请日：2015-06-26
发明人： Armin DÖLKER
摘要： A method for operating an internal combustion engine having an injection system which has a high-pressure accumulator, wherein a high pressure in the high-pressure accumulator is regulated via a suction throttle on the low-pressure side as a first pressure control member in a first high-pressure control loop, wherein in a normal operation a high-pressure disturbance variable is produced via a pressure control valve on the high-pressure side as a second pressure control member, via which fuel is redirected from the high-pressure accumulator to a fuel reservoir. For this purpose, the high pressure in a safety operation is regulated by the pressure control valve via a second high pressure control loop, or, in the safety operation, a maximum fuel volume flow is continuously redirected from the high pressure accumulator to the fuel reservoir via the pressure control valve.
摘要翻译： 一种操作具有喷射系统的内燃机的方法，所述喷射系统具有高压蓄能器，其中所述高压蓄能器中的高压通过所述低压侧上的抽吸节流阀作为第一压力控制构件调节 第一高压控制回路，其中在正常操作中，通过作为第二压力控制构件的高压侧上的压力控制阀产生高压干扰变量，通过该第二压力控制构件将燃料从高压蓄能器重新定向到 燃油箱 为此，安全操作中的高压通过第二高压控制回路由压力控制阀调节，或者在安全操作中，最大燃料体积流量从高压蓄能器连续地重新定向到燃料储存器 通过压力控制阀。
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公开(公告)号：US09574508B2
公开(公告)日：2017-02-21
申请号：US14573088
申请日：2014-12-17
发明人： Tim Späder
CPC分类号： F02D41/0052 , F01N9/00 , F01N9/002 , F02D35/0007 , F02D41/024 , F02D41/027 , F02D41/029 , F02D41/1445 , F02D41/1446 , F02D41/2451 , F02D2041/286 , F02D2200/0812
摘要： The invention relates to a method and an arrangement for operating an internal combustion engine. In the method a first distribution of values for at least one variable is used, the variable describing a physical property of the internal combustion engine, and over a second time period values for this variable are recorded and classified, such that a second distribution is determined. The first distribution is then compared with the second distribution such that the behavior of the internal combustion engine can be adapted on the basis thereof.
摘要翻译： 本发明涉及一种操作内燃机的方法和装置。 在该方法中，使用至少一个变量的值的第一分布，描述内燃机的物理属性的变量，并且在第二时间段内记录和分类该变量的值，使得确定第二分布 。 然后将第一分配与第二分配进行比较，使得内燃机的行为可以在其基础上进行调整。
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公开(公告)号：US20160312726A1
公开(公告)日：2016-10-27
申请号：US15104048
申请日：2014-12-08
发明人： Armin DÖLKER
CPC分类号： F02D41/107 , F02D19/06 , F02D31/007 , F02D41/0025 , F02D41/14 , F02D41/1458 , F02D41/3005 , F02D2041/1409 , F02D2041/1422 , F02D2200/0611 , F02D2200/101 , F02D2250/18 , Y02T10/36
摘要： A method for controlling the speed of an internal combustion engine and a speed control circuit for carrying out the method. For controlling, fuel energy is used as an output variable. The control units are calculated in accordance with a stationary proportion gain which is calculated proportionally to the fuel energy and inversely proportional to the engine speed.
摘要翻译： 一种用于控制内燃机的速度的方法和用于执行该方法的速度控制电路。 为了控制，燃料能量被用作输出变量。 控制单元根据与燃料能量成比例地计算并与发动机转速成反比的固定比例增益来计算。
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