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公开(公告)号：US20190242297A1
公开(公告)日：2019-08-08
申请号：US16245467
申请日：2019-01-11
发明人： Prashant Srinivasan , Hang Lu , Chandan Kumar , Karthikk R.
IPC分类号： F02B37/18 , F02B37/16 , F02B37/22 , F02B37/013
CPC分类号： F02B37/18 , F02B37/013 , F02B37/16 , F02B37/162 , F02B37/22 , F02D29/06 , F02D41/0007 , F02D2200/0406 , F02D2200/101
摘要： An internal combustion engine is provided having at least one turbocharger having a compressor and an exhaust gas turbine, at least two actuating members for controlling a boost pressure by the compressor, a measuring device for measuring at least one measurement signal, and a control device adapted to actuate the actuating members by varying a degree of opening of the actuating members. The control device of the internal combustion engine is configured to calculate a total degree of opening of the actuating members necessary to achieve a desired boost pressure provided by the compressor. This is in dependence on the at least one measurement signal. The control device is also configured to determine the total degree of opening split between each of the at least two actuating members, and to control each of the actuating members according to its individual degree of opening to reach the desired boost pressure.
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公开(公告)号：US20190232376A1
公开(公告)日：2019-08-01
申请号：US16312313
申请日：2017-07-07
发明人： Manuel Naschberger , Patrick Hotter
摘要： A tool for machining a groove of a rotation-symmetric component, preferably a piston of an internal combustion engine, is provided. The machining is carried out by a rotation of the tool around an axis of symmetry of the rotation-symmetric component to be machined. The tool includes at least one arm disposed in such a way that a circumference of the rotation-symmetric component can at least be partially enclosed. Also, a machining device for machining of the groove is provided on the at least one arm. At least one adjusting device is provided. With the help of the at least one adjusting device, a contact force on the rotation-symmetric component of the at least one machining device can be selected. Further, the tool includes an adjusting device with which the tool can be adapted to different diameters of a rotation-symmetric component.
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公开(公告)号：US20190040803A1
公开(公告)日：2019-02-07
申请号：US15750424
申请日：2016-09-05
摘要： An internal combustion engine having: at least one piston-cylinder unit, a turbocharger having an exhaust gas turbine, a catalytic converter connected between the at least one piston-cylinder unit and the exhaust gas turbine, and a control device, wherein the control device is designed to control a fluid-delivery device such that, when the internal combustion engine is in a state in which no combustion and/or ignition takes place in the at least one piston-cylinder unit, the fluid-delivery device delivers fuel-air mixture through the catalytic converter.
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公开(公告)号：US20190003415A1
公开(公告)日：2019-01-03
申请号：US15737446
申请日：2016-06-30
IPC分类号： F02F1/16
摘要： A cylinder liner for an internal combustion engine, with a collar, whereby the cylinder liner, on its lateral surface, is provided with a protruding flow-guiding device axially spaced from the collar, having at least one axial opening.
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公开(公告)号：US20180320618A1
公开(公告)日：2018-11-08
申请号：US15773576
申请日：2016-11-03
发明人： Raphael BURGMAIR , Dino IMHOF , Medy SATRIA
CPC分类号： F02D41/1402 , F02D29/00 , F02D41/1401 , F02D41/20 , F02D41/40 , F02D2041/1416 , F02D2041/143 , F02D2041/1434 , F02D2041/286 , F02D2200/0602 , F02D2200/0611 , F02D2200/0616 , F02D2200/063 , Y02T10/44
摘要： A combustion engine with at least one injector for the injection of liquid fuel into at least one combustion chamber is provided. The injector can be regulated by means of a regulating device through an actuator triggering signal, wherein the at least one injector has an outlet opening that can be closed by means of a needle. An algorithm is contained in the regulating device, which receives as an input value at least the actuator trigger signal, and which calculates via an injector model the mass of liquid fuel transferred via the outlet opening of the injector. The regulating device compares by means of the injector model, the calculated mass with a required target value ref of the mass of liquid fuel, to correct the actuator trigger signal.
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公开(公告)号：US20180252171A1
公开(公告)日：2018-09-06
申请号：US15736152
申请日：2016-06-14
摘要： A method for a knock control for an internal combustion engine with at least one cylinder, which is assigned to at least one intake valve, when knocking occurs in at least one cylinder by actuation of the intake valve associated with the cylinder detected as knocking, in such a way that the temperature of the charge of the cylinder detected as knocking is reduced, the knocking in the cylinder is reduced, on actuating the intake valve associated with the cylinder detected as knocking, a cylinder-specific and/or a global measure for power compensation of the internal combustion engine is performed.
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公开(公告)号：US20180209394A1
公开(公告)日：2018-07-26
申请号：US15578384
申请日：2016-05-20
发明人： Jochen FUCHS , Christoph WEIGL , Michael ROLL
摘要： A method of operating an internal combustion engine with at least one piston-cylinder unit, and preferably a plurality of the piston-cylinder units, whereby, in a detection mode of the internal combustion engine one or more knock-promoting measures are taken until knocking has occurred in at least one piston-cylinder unit, and the measure(s) is/are intensified until a termination criterion is reached, whereby it is detected in which of the piston-cylinder units knocking has occurred, and whereby, in piston-cylinder units detected as knocking, the ignition time for a normal operating mode of the internal combustion engine is retarded.
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公开(公告)号：US10018129B2
公开(公告)日：2018-07-10
申请号：US14876040
申请日：2015-10-06
CPC分类号： F02D41/0027 , F02D19/061 , F02D19/105 , F02D35/027 , F02D41/0007 , F02D41/0025 , F02D41/3047 , Y02T10/36
摘要： In a method of controlling a dual fuel engine in which power in the form of a first gaseous fuel and in the form of a self-igniting second fuel is fed to at least one combustion chamber, a knock signal representative of the combustion chamber is detected. When a knock signal indicating a knock of at least a first intensity is detected, the amount of first fuel fed to the combustion chamber of the engine is increased, the increased introduction of power into the combustion chamber caused by the increase in the amount of first fuel being compensated by a corresponding reduction in the power contribution of the second fuel. When a knock signal indicating a knock of at least a second intensity greater than the first intensity is detected, the amount of first fuel is reduced.
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公开(公告)号：US20180163612A1
公开(公告)日：2018-06-14
申请号：US15577834
申请日：2016-05-04
IPC分类号： F02B37/00 , F02D41/00 , F02D9/04 , F02B37/007 , F02B37/013
CPC分类号： F02B37/005 , F01N5/02 , F01N2240/36 , F02B1/12 , F02B37/004 , F02B37/007 , F02B37/013 , F02B39/10 , F02D9/04 , F02D13/0265 , F02D41/0007 , F02D41/0047 , F02D41/006 , F02D41/0065 , F02D2250/34 , F02M26/01 , F02M26/05 , F02M26/06 , Y02T10/144 , Y02T10/16 , Y02T10/163 , Y02T10/18 , Y02T10/47
摘要： A method of operating an internal combustion engine, whereby a quantity of an exhaust gas remaining in combustion chambers of the internal combustion engine is varied, whereby the quantity of remaining exhaust gas is varied by controlling or regulating an exhaust-gas backpressure (poutlet) adjacent to outlet valves of the combustion chambers of a turbo-compound system arranged in an exhaust pipe of the internal combustion engine.
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公开(公告)号：US20180135484A1
公开(公告)日：2018-05-17
申请号：US15573264
申请日：2016-05-09
发明人： Friedhelm HILLEN , Max MEHRING
CPC分类号： F01N3/04 , F01N3/20 , F01N3/2046 , F01N11/002 , F01N2260/022 , F01N2270/02 , F01N2900/1602 , Y02T10/26 , Y02T10/47
摘要： A method for flushing an exhaust-gas cleaning system of an internal combustion engine having a catalytic converter with at least one catalyst bed, whereby an exhaust gas from the internal combustion engine is supplied to the exhaust-gas cleaning system in an active operating phase of the exhaust-gas cleaning system, and no exhaust gas is supplied to the exhaust-gas cleaning system in a passive operating phase of the exhaust-gas cleaning system, whereby a temperature of the at least one catalyst bed is determined and the flushing is performed depending on the determined temperature, whereby the exhaust-gas cleaning system is flushed in the passive operating phase of the exhaust-gas cleaning system by a flushing device, which is connected directly to an exhaust-gas line.
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