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139 条记录 (耗时 0.018 秒)

    METHOD FOR MANAGING START UP OF A FOUR-STROKE ENGINE
    2.
    发明公开
    METHOD FOR MANAGING START UP OF A FOUR-STROKE ENGINE 审中-公开

    公开(公告)号：EP4219925A3

    公开(公告)日：2023-08-09

    申请号：EP23153349.8

    申请日：2023-01-25

    申请人： BRP-Rotax GmbH & Co. KG

    发明人： HOFMAIR, Matthias ,  WINKOFF, Richard

    IPC分类号： F02D41/00 ,  F02D41/06 ,  F02P5/15 ,  F02D41/14 ,  F02P7/067

    摘要： A method for managing start up of a four-stroke engine, the method being performed by a controller communicatively connected to the engine. The method includes determining, using a crankshaft sensor, an angular orientation of the crankshaft, the crankshaft being rotated by a starter motor prior to ignition of the engine; determining, using the crankshaft sensor, at least one engine speed variation as the crankshaft rotates through at least one measurement window; and identifying a working cycle phase of the crankshaft including in response to an absolute value of the at least one engine speed variation being above a threshold, determining that the crankshaft is in an ignition revolution of a two revolution working cycle of the engine in the measurement window, subsequent ignition of the engine being based on determination of the angular orientation and the working cycle phase of the crankshaft.

    ENGINE UNIT AND VEHICLE
    4.
    发明公开
    ENGINE UNIT AND VEHICLE 审中-公开

    公开(公告)号：EP3767095A1

    公开(公告)日：2021-01-20

    申请号：EP20181163.5

    申请日：2014-12-18

    申请人： Yamaha Hatsudoki Kabushiki Kaisha

    发明人： NISHIKAWA, Takahiro ,  HINO, Haruyoshi

    IPC分类号： F02D29/06 ,  H02J7/16 ,  H02P9/40 ,  H02P21/00 ,  F02N11/04 ,  H02J7/14 ,  H02P9/08 ,  H02P9/48 ,  F02B75/02 ,  F02N11/08 ,  F02N11/06 ,  F02P7/067

    摘要： The present invention provides, for example, an engine unit that is able to ensure an amount of power generation with a high efficiency even if the rotation speed of a crankshaft is lowered when a vehicle is stopped, without any need to increase the size of a generator. The engine unit includes: a four-stroke engine body; a generator; an inverter including a plurality of switching parts; and a control device. When the vehicle is stopped and a voltage outputted from the generator is lower than the voltage of a battery, the control device performs a vector control on the plurality of switching parts so as to raise the voltage outputted from the generator that is lower than the voltage of the battery to a voltage higher than the voltage of the battery, to charge the battery.

    METHOD FOR CONTROLLING AN ENGINE UNIT FOR A STRADDLED VEHICLE, ENGINE UNIT AND STRADDLED VEHICLE
    6.
    发明公开
    METHOD FOR CONTROLLING AN ENGINE UNIT FOR A STRADDLED VEHICLE, ENGINE UNIT AND STRADDLED VEHICLE 审中-公开

    公开(公告)号：EP3533995A1

    公开(公告)日：2019-09-04

    申请号：EP19158250.1

    申请日：2019-02-20

    申请人： YAMAHA HATSUDOKI KABUSHIKI KAISHA

    发明人： SEKIGUCHI, Junya

    IPC分类号： F02P5/04 ,  F02N19/00 ,  F02D41/06 ,  F02P5/15 ,  F02N3/00 ,  F02N3/04 ,  F02N11/04 ,  F02N11/08 ,  F02D41/00 ,  F02D41/34 ,  F02P7/067

    摘要： An engine unit (EU) to be included in a straddled vehicle (1) is provided. The engine unit (EU) includes a four-stroke engine (10), a rotating electrical machine (20) that is used in common as a starter motor and a generator, an electromagnetic pickup (50) that generates a detection signals in accordance with a rotation of the rotating electrical machine (20), and a controller (60). The controller (60) has a combustion controller (63) for controlling a combustion operation of the engine (10) and a rotating electrical machine controller (62) for controlling the rotating electrical machine (20). The controller (60) executes a position specifying processing (S50) of specifying a position of a crankshaft (15), an idle stop control (S17, S18), a restart control (S41, S42), and a swing back control (S19). In the restart control (S41 to S43; S50 to S52), the controller (60) executes a start asynchronous injection control (S44 to S47) of making a fuel injector (18) perform asynchronous injection (S47) after beginning drive of the crankshaft (15) in a forward rotation direction by the rotating electrical machine (20).

    ENGINE SYSTEM AND SADDLE-STRADDLING TYPE MOTOR VEHICLE
    7.
    发明公开
    ENGINE SYSTEM AND SADDLE-STRADDLING TYPE MOTOR VEHICLE 有权
    发动机系统和鞍式牵引式机动车

    公开(公告)号：EP2909462A1

    公开(公告)日：2015-08-26

    申请号：EP14736467.3

    申请日：2014-06-06

    申请人： Yamaha Hatsudoki Kabushiki Kaisha

    发明人： MAEBASHI, Kosei ,  NISHIMURA, Tetsuhiko

    IPC分类号： F02D41/00 ,  F02D41/04 ,  F02D41/22 ,  F02N11/08 ,  F02P7/06 ,  F02P7/067 ,  F02P7/073

    CPC分类号： F02D41/009 ,  F02D41/062 ,  F02D41/221 ,  F02D2041/0092 ,  F02D2400/08 ,  F02N11/0825 ,  F02N2200/021 ,  F02P7/061 ,  Y02T10/40 ,  Y02T10/48

    摘要： An engine is controlled in a normal mode or an idle stop mode. The ignition of a fuel-air mixture is performed in the normal mode, and the ignition of the fuel-air mixture is not performed in the idle stop mode. A detection subject that is rotated together with a crank shaft is provided at the crank shaft. At the time of the re-start of the engine, the ignition of the fuel-air mixture compressed in a first compression stroke is performed based on the detection of the detection subject by a reference angle sensor. When the operation abnormality of the reference angle sensor is detected, the change from the normal mode to the idle stop mode is not performed.

    摘要翻译： 发动机被控制在正常模式或怠速停止模式下。 在正常模式下执行燃料空气混合物的点火，并且在怠速停止模式下不执行燃料空气混合物的点火。 在曲轴上设置与曲轴一起旋转的检测对象。 在发动机重新启动时，基于通过参考角度传感器检测到检测对象来执行在第一压缩冲程中压缩的燃料空气混合物的点火。 当检测到参考角度传感器的操作异常时，不执行从正常模式到怠速停止模式的改变。

    Inductive ignition control system
    9.
    发明公开
    Inductive ignition control system 审中-公开
    InduktivesZündsteuerungssystem

    公开(公告)号：EP1705370A3

    公开(公告)日：2006-11-22

    申请号：EP06251463.3

    申请日：2006-03-20

    申请人： R.E. Phelon Company, Inc.

    发明人： McLaughlin, Bryant ,  Gray, Larry O. ,  Canestrari, David W.

    IPC分类号： F02P3/045 ,  F02P5/15 ,  F02P7/067

    CPC分类号： F02P3/0456 ,  F02D41/009 ,  F02D2041/0092 ,  F02D2200/0404 ,  F02D2200/503 ,  F02P5/145 ,  F02P5/1502 ,  F02P5/1514 ,  F02P5/155 ,  F02P7/067 ,  F02P7/077 ,  Y02T10/46

    摘要： An apparatus for producing an ignition spark in an internal combustion engine. The apparatus comprises an inductive ignition device having a primary coil and a secondary coil, flow of current through the primary coil being controlled by an electronic switching element (e.g., a transistor) responsive to a triggering signal. A rotatable body (e.g., the engine flywheel) having detectable features on a periphery thereof is also provided. A sensor device is located adjacent to the rotatable body at a fixed position and is operative to produce an output in response to the detectable features. The apparatus also includes a controller operative to receive an output from the sensor device and responsively produce the triggering signal so as to have a selected dwell time and ignition position.

    摘要翻译： 一种用于在内燃机中产生点火火花的装置。 该装置包括具有初级线圈和次级线圈的感应点火装置，响应于触发信号，通过初级线圈的电流由电子开关元件（例如，晶体管）控制。 还提供了在其周边具有可检测特征的可旋转体（例如，发动机飞轮）。 传感器装置位于固定位置的可转动体附近，并且可操作地响应于可检测特征产生输出。 该装置还包括控制器，其操作以接收来自传感器装置的输出并且响应地产生触发信号以具有选定的驻留时间和点火位置。