公开(公告)号：US06250286B1

公开(公告)日：2001-06-26

申请号：US09361922

申请日：1999-07-27

Applicant: Guenter Hoenig ,  Dirk Mentgen ,  Bernd Herrmann ,  Andreas Eichendorf ,  Hansjoerg Bochum ,  Ulf Pischke ,  Juergen Eckhardt ,  Reinhard Gantenbein ,  Jürgen Ulm

Inventor： Guenter Hoenig ,  Dirk Mentgen ,  Bernd Herrmann ,  Andreas Eichendorf ,  Hansjoerg Bochum ,  Ulf Pischke ,  Juergen Eckhardt ,  Reinhard Gantenbein ,  Jürgen Ulm

IPC: F02M5100

CPC classification number: H01F7/1816 ,  F02D41/20 ,  F02D2041/2006 ,  F02D2041/201 ,  F02D2041/2027 ,  F02D2041/2044 ,  F02D2041/2058 ,  F02D2041/2075

Abstract: A method and a device for driving at least one solenoid valve used for controlling the injection of fuel into an internal combustion engine. At the start of the driving (activation), the solenoid valve is supplied with a booster voltage that is elevated as compared to that used for the further driving. The energy and/or power output received by the solenoid valve at the start of the driving is able to be influenced as a function of the operating state of the internal combustion engine.

Abstract translation: 一种用于驱动至少一个电磁阀的方法和装置，用于控制向内燃机喷射燃料。 在启动（启动）开始时，电磁阀被提供与用于进一步驱动相比提升的升压电压。 在驱动开始时由电磁阀接收的能量和/或功率输出能够作为内燃机的运行状态的函数而受到影响。

公开(公告)号：US6142124A

公开(公告)日：2000-11-07

申请号：US132806

申请日：1998-08-13

Applicant: Werner Fischer ,  Dietbert Schoenfelder

Inventor： Werner Fischer ,  Dietbert Schoenfelder

IPC: F02M51/00 ,  F02D41/20 ,  F02D41/24 ,  H01H47/00

CPC classification number: F02D41/20 ,  F02D41/2438 ,  F02D41/247 ,  F02D2041/2017 ,  F02D2041/2027 ,  F02D2041/2044 ,  F02D2041/2058

Abstract: A method and a device for controlling a load, in particular a solenoid valve for controlling the quantity of fuel to be injected. The load receives a bias current value before being activated. This bias current value is adapted.

Abstract translation: 用于控制负载的方法和装置，特别是用于控制要喷射的燃料量的电磁阀。 负载在被激活之前接收偏置电流值。 该偏置电流值适应。

公开(公告)号：US4350132A

公开(公告)日：1982-09-21

申请号：US256753

申请日：1981-04-23

Applicant: Klaus Harsch ,  Peter Schulzke

Inventor： Klaus Harsch ,  Peter Schulzke

IPC: F02D41/20 ,  H03K17/64 ,  F02B3/00 ,  H01H47/32

CPC classification number: F02D41/20 ,  H03K17/64 ,  F02D2041/2017 ,  F02D2041/2044 ,  F02D2200/503

Abstract: An apparatus is proposed for driving electromagnetic devices, in particular electromagnetic injection valves in internal combustion engines. The apparatus includes a signal source for actuating pulses and is characterized in that at least one timing circuit is provided for advanced magnetization, preferably dependent on operating characteristics, of the electromagnetic device. The apparatus achieves the most linear possible relationship between the duration of the actuating pulse and, for example, the opening time of the injection valve. In this manner, the fuel quantity to be supplied to the internal combustion engine can be more precisely dosed and the operational behavior of the engine can be made optimal. Because of the advanced magnetization, the electromagnetic injection valve, for example, attracts more rapidly at the onset of the actuating pulse, because the magnetic coil has already stored a certain amount of energy, which lies somewhat below that amount which is required for attraction on the part of the magnetic core and thus for the ejection of fuel.

Abstract translation: 提出一种用于驱动电磁装置，特别是内燃机中的电磁喷射阀的装置。 该装置包括用于致动脉冲的信号源，其特征在于，提供至少一个定时电路用于高级磁化，优选地取决于电磁装置的工作特性。 该装置在致动脉冲的持续时间和例如喷射阀的打开时间之间达到最线性的可能关系。 以这种方式，可以更精确地给予供给到内燃机的燃料量，并且可以使发动机的操作性能最佳化。 由于高级磁化，电磁喷射阀例如在启动脉冲开始时更快地吸引，因为电磁线圈已经储存了一定量的能量，该能量稍微低于吸引所需的量 磁芯的一部分，因此用于喷射燃料。

公开(公告)号：US20190162128A1

公开(公告)日：2019-05-30

申请号：US16192345

申请日：2018-11-15

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yuta OCHI

IPC: F02D41/20 ,  F02D41/38 ,  F02D41/02

CPC classification number: F02D41/20 ,  F02D41/0255 ,  F02D41/38 ,  F02D41/3845 ,  F02D41/402 ,  F02D2041/2003 ,  F02D2041/2044 ,  F02D2041/389 ,  F02D2200/0602

Abstract: A controller of an internal combustion engine includes processing circuitry configured to execute a peak current command value calculating process of calculating a peak current command value, which is a command value of a peak current flowing through a coil, based on a detection value of a pressure in a delivery pipe, and a peak control process of controlling a value of the peak current at the peak current command value. The in-cylinder injection valve is configured to execute multi-stage injection including a first injection and a second injection carried out at a timing toward a retarding side from the first injection. A peak current command value for the second injection is larger than the peak current command value for the first injection.

公开(公告)号：US10072596B2

公开(公告)日：2018-09-11

申请号：US15036631

申请日：2014-11-17

Applicant: SENTEC LTD

Inventor： Andrew Dames ,  Hilary Meanwell ,  Jerome Dilley ,  James Evett ,  Christian Wehrenfennig ,  Alice Burrell

IPC: F02D41/20 ,  F02D41/40 ,  F02M51/06

CPC classification number: F02D41/20 ,  F02D41/40 ,  F02D2041/2003 ,  F02D2041/2027 ,  F02D2041/2037 ,  F02D2041/2044 ,  F02D2041/2051 ,  F02D2041/2055 ,  F02D2041/2058 ,  F02M51/061 ,  F02M2200/50 ,  Y02T10/44

Abstract: A control unit (2) for a fuel injector (3) comprising a solenoid actuator (31) having an armature (33), the control unit configured to drive a current through an electromagnet coil (34) of the solenoid actuator in a voltage mode during at least a portion of an injection cycle.

公开(公告)号：US20180230932A1

公开(公告)日：2018-08-16

申请号：US15950647

申请日：2018-04-11

Applicant: CONTINENTAL AUTOMOTIVE GMBH

Inventor： Christian Hauser

IPC: F02D41/40 ,  F02D41/20 ,  F02M51/06 ,  F02D41/24

CPC classification number: F02D41/40 ,  F02D41/20 ,  F02D41/2467 ,  F02D2041/2044 ,  F02D2041/2051 ,  F02D2041/2055 ,  F02D2041/2058 ,  F02M51/061 ,  Y02T10/44

Abstract: A method for determining a time at which a fuel injector, for an internal combustion engine of a motor vehicle, is in a predetermined opening state comprises applying a predetermined electrical voltage profile to the solenoid drive, detecting the temporal profile of the current strength of a current flowing through the coil of the solenoid drive, detecting the temporal profile of the voltage across the coil, determining a function based on the temporal profile of the current strength and the temporal profile of the voltage, wherein the function represents the interlinked magnetic flux or a temporal derivative of the interlinked magnetic flux in the solenoid drive, and determining the time as the time at which the function has a characteristic feature.

公开(公告)号：US20180223763A1

公开(公告)日：2018-08-09

申请号：US15944974

申请日：2018-04-04

Applicant: Continental Automotive GmbH

Inventor： Christian HAUSER

IPC: F02D41/24 ,  F02D41/20

CPC classification number: F02D41/2467 ,  F02D41/20 ,  F02D2041/2044 ,  F02D2041/2051 ,  F02D2041/2055 ,  F02D2041/2058 ,  F02D2200/063

Abstract: A method for determining a first time at which a fuel injector having a solenoid drive is in a first predetermined opening state. The method includes the following: (a) determining a second time at which the fuel injector is in a second predetermined state, (b) determining a stroke value of a moving component of the fuel injector, which stroke value corresponds to a movement path of the moving component which is covered when the fuel injector transitions between the first predetermined opening state and the second predetermined opening state, and (c) determining the first time at which the fuel injector is in the first predetermined opening state, on the basis of the second time and the stroke value. A method for actuating a fuel injector having a solenoid drive, an engine controller and a computer program.

公开(公告)号：US09835105B2

公开(公告)日：2017-12-05

申请号：US15314121

申请日：2015-04-27

Applicant: DENSO CORPORATION

Inventor： Keisuke Yanoto

IPC: F02M1/00 ,  F02D41/20

CPC classification number: F02D41/20 ,  F02D2041/2003 ,  F02D2041/2034 ,  F02D2041/2044 ,  F02D2041/2058

Abstract: An ECU, which applies a predetermined high voltage for valve-opening operation and subsequently applies a predetermined low voltage to maintain the valve-opening and thus energizes a fuel injector for fuel injection by the fuel injector, includes a current detection section that detects an energizing current flowing through the fuel injector, a drive IC that, after start of energization of the fuel injector, when a detection current detected by the current detection section arrives at a beforehand determined target peak value, switches the voltage applied to the fuel injector from the high voltage to the low voltage, and a microcomputer that calculates a slope of change in current in the detection current while the high voltage is applied to the fuel injector, and performs correction processing to correct shift of a peak point of an actual current flowing through the fuel injector based on the slope of change in current.

公开(公告)号：US09773602B2

公开(公告)日：2017-09-26

申请号：US14414250

申请日：2013-07-01

Applicant: Schaeffler Technologies AG & Co. KG

Inventor： David Vopel

IPC: H01F7/06 ,  F01L1/047 ,  F01L13/00 ,  H01F7/16 ,  H01F7/18 ,  F02D41/20 ,  F02D41/00 ,  F02D41/24

CPC classification number: H01F7/064 ,  F01L1/047 ,  F01L13/0015 ,  F01L13/0036 ,  F01L2013/0052 ,  F01L2013/0078 ,  F02D41/0002 ,  F02D41/20 ,  F02D41/2464 ,  F02D2041/001 ,  F02D2041/2044 ,  F02D2041/2055 ,  H01F7/1615 ,  H01F7/1805 ,  H01F7/1844 ,  H01F2007/185 ,  Y02T10/42

Abstract: A method for operating an electromagnetic actuator (10) with an actuating pin (9) is proposed which comprises the following steps: —determining a pin actuation actual dead time (t11), during which the magnetic armature (15) is substantially immobile while a magnetic coil (12) is supplied with current, wherein the actual dead time ends with the current break-in at the magnetic coil, as a result of counter induction of the magnetic armature overcoming the magnetic force threshold; —determining, before a subsequent pin actuation, the starting time of the magnetic coil current supply, wherein the starting point of the current is advanced compared with that of the target movement start of the pin out of the actuator housing (13) and the determined actual dead time.

公开(公告)号：US09726100B2

公开(公告)日：2017-08-08

申请号：US14645391

申请日：2015-03-11

Applicant: GM GLOBAL TECHNOLOBY OPERATIONS LLC

Inventor： Suresh Gopalakrishnan ,  Chandra S. Namuduri ,  Thomas Wolfgang Nehl ,  Avoki M. Omekanda

IPC: F02D41/20 ,  F02D41/14 ,  H03K17/64 ,  F02M51/06

CPC classification number: F02D41/20 ,  F02D41/1401 ,  F02D2041/141 ,  F02D2041/2044 ,  F02D2041/2058 ,  F02M51/061 ,  H03K17/64

Abstract: An electromagnetic actuation system includes an actuator having an electrical coil, a magnetic core, and an armature. The system further includes a controllable bi-directional drive circuit for selectively driving current through the electrical coil in either of two directions. The control module provides an actuator command to the drive circuit effective to drive current through the electrical coil in a first direction to actuate the armature and in a second direction subsequent to armature actuation to oppose residual flux within the actuator. The control module includes a residual flux feedback control module configured to adapt the actuator command to converge residual flux within the actuator to a preferred flux level.