公开(公告)号：US12085036B2

公开(公告)日：2024-09-10

申请号：US18368956

申请日：2023-09-15

申请人： SUBARU CORPORATION

发明人： Gaku Ito ,  Yoshifumi Yamazaki

IPC分类号： F02D41/40 ,  F02P5/15 ,  F02D41/38

CPC分类号： F02D41/401 ,  F02P5/1512 ,  F02D2041/389

摘要： An engine control apparatus includes a control system including one or more memories and one or more processors communicably coupled to one another, and controlling ignition timing of a spark plug. The one or more memories hold first and second ignition timing maps that provide setting of the ignition timing for each engine operation point. The one or more processors determine the number of injection stages of an injector. When the number of injection stages of the injector is the first number of injection stages, the one or more processors control the ignition timing of the spark plug based on the first ignition timing map. When the number of injection stages of the injector is the second number of injection stages greater than the first number of injection stages, the one or more processors control the ignition timing of the spark plug based on the second ignition timing map.

公开(公告)号：US12066350B2

公开(公告)日：2024-08-20

申请号：US18007477

申请日：2021-07-12

申请人： MAN Truck & Bus SE

发明人： Heiko Krauss ,  Torsten Gehrmann

IPC分类号： G01M15/05 ,  F02D41/00 ,  F02D41/14 ,  F02P5/15

CPC分类号： G01M15/05 ,  F02D41/005 ,  F02D41/1446 ,  F02D41/1454 ,  F02D41/1461 ,  F02P5/1502 ,  F02D2200/101 ,  F02D2200/70

摘要： A method for determining a combustion gas composition of a combustion gas for an internal combustion engine includes operating the engine, and establishing an operating point of the internal combustion engine during operation. The method also includes detecting a nitrogen oxide emission of the internal combustion engine at the operating point. The method further includes detecting an exhaust gas temperature of the internal combustion engine at the operating point, and detecting a combustion air ratio of the internal combustion engine at the operating point. The combustion gas composition of the combustion gas is determined based on the operating point, the detected nitrogen oxide emission, the detected exhaust gas temperature and the detected combustion air ratio.

公开(公告)号：US20240240602A1

公开(公告)日：2024-07-18

申请号：US18562524

申请日：2022-02-15

申请人： Hitachi Astemo, Ltd.

发明人： Hayato TAKEI ,  Shinya SATO ,  Akihiro KOMORI

IPC分类号： F02P5/15 ,  F02D41/00

CPC分类号： F02P5/1502 ,  F02D41/009 ,  F02D2200/024 ,  F02D2200/101

摘要： An internal combustion engine control device includes: a rotation speed calculating unit that calculates crank rotation speeds of an engine; an extreme timing calculating unit that calculates an extreme timing of the crank rotation speeds; and an average rotation speed calculating unit that calculates an average rotation speed of the crank rotation speeds; and a combustion state estimating unit that estimates a combustion state in the engine based on the extreme timing and the average rotation speed.

公开(公告)号：US12037956B1

公开(公告)日：2024-07-16

申请号：US18463076

申请日：2023-09-07

申请人： PACCAR Inc

发明人： Charles Wayne Reinhardt Swart ,  Stephen Anthony Ciatti ,  Nick Hertlein

IPC分类号： F02D41/06 ,  F02D13/02 ,  F02D41/30 ,  F02P5/15

CPC分类号： F02D41/062 ,  F02D13/0215 ,  F02D41/3076 ,  F02P5/1504 ,  F02D2200/021 ,  F02D2200/101

摘要： A method for starting a vehicle's engine includes: causing a crankshaft of the engine to begin to rotate and to rotate through a first plurality of rotations; and causing, for each combustion chamber of at least one combustion chamber of the engine, an exhaust valve of the combustion chamber to remain in an opened position while the crankshaft rotates through the first plurality of rotations and prior to fuel being injected into the combustion chamber.

公开(公告)号：US20240110530A1

公开(公告)日：2024-04-04

申请号：US18370232

申请日：2023-09-19

申请人： SUBARU CORPORATION

发明人： Shinji WAKAMOTO

IPC分类号： F02D41/06 ,  F02B19/12 ,  F02B19/18 ,  F02D41/40 ,  F02M23/10 ,  F02P5/15

CPC分类号： F02D41/068 ,  F02B19/12 ,  F02B19/18 ,  F02D41/401 ,  F02M23/10 ,  F02P5/1504 ,  F02D2041/389

摘要： An engine is configured to ignite an air-fuel mixture with an electric spark to ignite an air-fuel mixture. The engine includes: a cylinder head including a chamber partition wall having through holes and defining a main combustion chamber and a sub-combustion chamber; a fuel injector that injects fuel into the main combustion chamber; an air injector that injects air into the sub-combustion chamber; an ignition device causes an electric discharge between an ignition electrode and the chamber partition wall; and a control system that controls the fuel and air injectors, and the ignition device. At a compression stroke during a warm-up operation, the fuel is injected throughout a first period, and the air is injected throughout a second period at least partially overlapping the first period. At a power stroke during the warm-up operation, the electric discharge is caused after the fuel is injected.

公开(公告)号：US11932254B1

公开(公告)日：2024-03-19

申请号：US17977397

申请日：2022-10-31

申请人： FORD GLOBAL TECHNOLOGIES, LLC

发明人： Cory Benson LaRoche ,  Stephen Michael Cicala ,  Jianping Zhang ,  Bradley Dean Riedle ,  Jesse D. L. Brunais ,  Michael Simon ,  Leonard Dziubinschi

IPC分类号： B60W30/19 ,  B60W10/06 ,  B60W10/11 ,  F02D41/00 ,  F02D41/02 ,  F02P5/15 ,  F16H59/18 ,  F16H61/28 ,  F16H59/14

CPC分类号： B60W30/19 ,  B60W10/06 ,  B60W10/11 ,  F02D41/0087 ,  F02D41/022 ,  F02D41/023 ,  F02P5/1502 ,  F16H59/18 ,  F16H61/2807 ,  B60W2510/1025 ,  B60W2510/105 ,  B60W2540/10 ,  B60W2710/0666 ,  B60W2710/1005 ,  B60W2710/1077 ,  F16H2059/148

摘要： A vehicle includes an engine, a transmission, and a controller. The engine is configured to generate power. The transmission is configured to transfer power from the engine to at least one drive wheel to propel the vehicle. The controller is programmed to, in response to a command to shift the transmission and a corresponding command to decrease a torque of the engine to less than a threshold corresponding to a spark retard limit during the shift, (i) increase the pressure of an oncoming clutch to engage the oncoming clutch, (ii) retard an engine spark at the spark retard limit to reduce the torque of the engine to the threshold during the engagement of the oncoming clutch, and (iii) shutdown at least one cylinder of the engine to further reduce the torque of the engine to less than the threshold during the engagement of the oncoming clutch.

公开(公告)号：US11873769B2

公开(公告)日：2024-01-16

申请号：US17541911

申请日：2021-12-03

申请人： KUBOTA Corporation

发明人： Michisuke Iga ,  Masaharu Ono

IPC分类号： F02D41/00 ,  F02D13/06 ,  F02P5/152 ,  F02P5/15 ,  F02D41/14 ,  F02N11/08

CPC分类号： F02D41/0087 ,  F02D13/06 ,  F02D41/1498 ,  F02N11/0848 ,  F02P5/151 ,  F02P5/1504 ,  F02P5/1506 ,  F02P5/1522 ,  F02D2250/21 ,  F02N2200/023 ,  F02N2200/024 ,  F02N2300/2002

摘要： An engine-equipped vehicle capable of preventing gear noise and gear wear when the engine is started is provided. A multicylinder engine, a gear transmission that shifts power from the multicylinder engine by a shift operation, a centrifugal clutch arranged in a power transmission path from the multicylinder engine to the gear transmission, and an electronic control device that controls an operation of the multicylinder engine are included and the engine is configured to be started with a partial cylinder operation start where under control of the electronic control device, only some cylinders are operated and an operation of other cylinders is stopped.

公开(公告)号：US20230392572A1

公开(公告)日：2023-12-07

申请号：US18175814

申请日：2023-02-28

申请人： Save The Planet Co., Ltd.

发明人： Mitsuhiro IZUMI

IPC分类号： F02P5/15

CPC分类号： F02P5/1502

摘要： An ignition device is used in an internal combustion engine that uses a flame-retardant fuel. The ignition device includes a spark plug, a discharge circuit, and a control unit. The spark plug is placed in a cylinder of the internal combustion engine. The discharge circuit induces a high voltage in the spark plug, to thereby discharge the spark plug. The control unit controls a timing at which the spark plug is discharged by the discharge circuit. The control unit causes the discharge circuit to discharge the spark plug a plurality of times while a piston performs a reciprocating operation once in the cylinder. As a result, even when a flame-retardant fuel is used for the internal combustion engine, the ignition rate of the fuel can be enhanced.

公开(公告)号：US20230378849A1

公开(公告)日：2023-11-23

申请号：US18222894

申请日：2023-07-17

申请人： Briggs & Stratton, LLC

发明人： Joshua Thurnbauer Cirillo ,  Philip Helwig ,  Sie Teong Lim ,  Mark Thomas Molinski ,  Kenny Jalmas Stair ,  Robert Townsend ,  Jeffrey H. Whitmore ,  Svetlana Byaliy

IPC分类号： H02K7/18 ,  F02B63/04 ,  F02B69/04 ,  F02P5/15 ,  H02K13/12 ,  H02K9/06 ,  H02K5/22 ,  H02P6/08 ,  H02P9/00 ,  H02P9/04 ,  H02P1/12 ,  H02P27/06

CPC分类号： H02K7/1815 ,  F02B63/044 ,  F02B69/04 ,  F02P5/1506 ,  H02K13/12 ,  H02K9/06 ,  H02K5/22 ,  H02P6/08 ,  H02P9/009 ,  H02P9/04 ,  H02P1/12 ,  H02P27/06 ,  F02B63/042 ,  H02P2101/25

摘要： A generator includes an internal combustion engine including an engine block including a cylinder including a piston, a crankshaft configured to rotate about a crankshaft axis in response to movement by the piston, and a spark plug configured to periodically generate a spark to ignite fuel in the cylinder to control the movement of the piston. The generator further includes an alternator including a rotor and a stator, the rotor configured to rotate with the rotation of the crankshaft to generate alternating current electrical power, a controller configured to control a rate of fuel supply to the internal combustion engine, and a switch configured to selectively enable the flow of a first type of fuel into the cylinder and disable the flow of a second type of fuel, wherein the controller is configured to receive an indication of a fuel type based on a position of the switch.

公开(公告)号：US20230313753A1

公开(公告)日：2023-10-05

申请号：US18104168

申请日：2023-01-31

申请人： INNIO Jenbacher GmbH & Co OG

发明人： Douglas Keith ,  Josef Thalhauser ,  Nikolaus Spyra

IPC分类号： F02D41/14 ,  F02B37/16 ,  F01N3/28 ,  F02B37/18 ,  F02B37/22 ,  F02D13/02 ,  F02D41/00 ,  F02D41/40 ,  F02P5/15

CPC分类号： F02D41/1448 ,  F01N3/2892 ,  F02B37/16 ,  F02B37/162 ,  F02B37/18 ,  F02B37/183 ,  F02B37/22 ,  F02D13/0234 ,  F02D41/0007 ,  F02D41/146 ,  F02D41/401 ,  F02P5/1502 ,  F02D2041/389

摘要： An internal combustion engine with an open-loop or closed-loop control device (2), wherein at least one combustion chamber (3) of the internal combustion engine (1) is designed to burn a fuel-air mixture using at least one combustion parameters that can be influenced by the open-loop or closed-loop control device (2), wherein the open-loop or closed-loop control device (2) has an emission control loop that is configured to actuate the at least one actuator that influences the at least one combustion parameter as a substitute parameter for NOx emissions by means of a functional relationship in such way that at last one combustion parameter can be set for each target or actual power rating of the internal combustion engine (1), wherein the functional relationship takes account of an influence of a change of the exhaust backpressure (p3’) affecting at least one combustion chamber (3).