Outward opening fuel injector
    1.
    发明授权
    Outward opening fuel injector 有权
    向外打开燃油喷射器

    公开(公告)号:US08496192B2

    公开(公告)日:2013-07-30

    申请号:US13047010

    申请日:2011-03-14

    IPC分类号: F02M63/00 F02M61/08 F02M61/20

    摘要: A fuel injector provided with: an injection valve comprising an injection nozzle; a mobile needle for regulating the fuel flow through the injection valve and ending with a shutting head, which engages a valve seat of the injection valve, is arranged externally with respect to injection valve and presents a predetermined sealing diameter; an actuator for displacing the needle between a closing position and an opening position of the injection valve; a closing spring which tends to maintain the needle in the closing position of the injection valve pushing the shutting head against the valve seat itself in a sense contrary to the feeding sense of the fuel; and a supporting body having a tubular shape and presenting a feeding channel within which a needle is arranged; the needle, at an opposite end of the shutting head, is coupled to a balancing channel, which is at ambient pressure.

    摘要翻译: 一种燃料喷射器,具有:喷射阀,包括喷射喷嘴; 用于调节通过注射阀的燃料流动并且结束于与注射阀的阀座接合的关闭头的移动针相对于注射阀布置在外部并具有预定的密封直径; 致动器,用于在关闭位置和喷射阀的打开位置之间移动针; 倾向于将针保持在注射阀的关闭位置的关闭弹簧,其在与燃料的进给感觉相反的意义上将关闭头推向阀座本身; 以及具有筒状的支撑体,并具有配置针的送出通道; 在关闭头的相对端处的针联接到处于环境压力的平衡通道。

    Hydraulic circuit of a servo-assisted mechanical transmission
    3.
    发明授权
    Hydraulic circuit of a servo-assisted mechanical transmission 有权
    伺服辅助机械传动液压回路

    公开(公告)号:US08122713B2

    公开(公告)日:2012-02-28

    申请号:US12324117

    申请日:2008-11-26

    IPC分类号: F16D31/02 F15B7/06

    CPC分类号: F16H61/30 F16H2061/305

    摘要: A hydraulic circuit of a servo-assisted mechanical transmission, which is provided with a number of hydraulic actuators provided with corresponding actuation chambers adapted to be filled with pressurized oil; the hydraulic circuit is provided with: a number of solenoid valves, each of which is coupled to a corresponding actuation chamber of a hydraulic actuator; a tank, which contains the oil at atmospheric pressure and is provided with an upper loading aperture; the cap, which closes the loading aperture of the tank and is provided with a through venting hole which puts the tank into communication with the external environment; a filtering element, which is coupled to the cap and is arranged under the venting hole; a hydraulic accumulator containing the pressurized oil; and an electric pump which draws from the tank and feeds the hydraulic accumulator.

    摘要翻译: 一种伺服辅助机械变速器的液压回路,其具有多个液压致动器,该油压致动器具有适于充满加压油的相应致动室; 液压回路设有:多个电磁阀,每个电磁阀联接到液压致动器的相应致动室; 一个容器,它在大气压力下包含油,并设有一个上部装载孔; 盖子封闭箱体的装载孔,并设置有通孔,该通孔将罐与外部环境连通; 过滤元件,其连接到盖并布置在通风孔下方; 含有加压油的液压蓄能器; 以及从油箱抽出液压蓄能器的电动泵。

    Method and plant for filling a hydraulic circuit with a control fluid
    4.
    发明授权
    Method and plant for filling a hydraulic circuit with a control fluid 失效
    用控制流体填充液压回路的方法和设备

    公开(公告)号:US08091693B2

    公开(公告)日:2012-01-10

    申请号:US11707717

    申请日:2007-02-16

    IPC分类号: B65B31/00

    CPC分类号: F15B21/005 F15B21/044

    摘要: A method and a plant for filling a hydraulic circuit with a control fluid, in which a vacuum is generated within the hydraulic circuit, the control fluid is supplied to a degasification chamber, a vacuum is generated in the degasification chamber containing the control fluid and the control fluid is supplied under pressure from the degasification chamber to the hydraulic circuit while continuing to maintain the vacuum in the hydraulic circuit.

    摘要翻译: 一种用于在液压回路内产生真空的控制流体填充液压回路的方法和装置,将控制流体供给到脱气室,在包含控制流体的脱气室中产生真空, 控制流体在压力下从脱气室供给到液压回路,同时继续保持液压回路中的真空。

    Control method for a turbocharger supercharged internal combustion engine
    5.
    发明授权
    Control method for a turbocharger supercharged internal combustion engine 有权
    一种涡轮增压器增压内燃机的控制方法

    公开(公告)号:US08091358B2

    公开(公告)日:2012-01-10

    申请号:US12170094

    申请日:2008-07-09

    申请人: Marco Panciroli

    发明人: Marco Panciroli

    IPC分类号: F02D23/00

    摘要: A control method for an internal combustion engine supercharged by means of a turbocharger provided with a turbine and with a compressor; the control method contemplates the steps of: establishing at least one operating limit curve on a Reduced Mass Flow Rate/Compression Ratio map; establishing at least one intervention curve of a wastegate valve which adjusts a bypass pipe of the turbine on a Reduced Mass Flow Rate/Compression Ratio map; establishing at least one intervention curve of a Poff valve which adjusts a bypass pipe of the compressor on a Reduced Mass Flow Rate/Compression Ratio map; using the operating limit curve to limit the pressure target downstream of the compressor used by the engine control; controlling the opening of the wastegate valve if the intervention curve of the wastegate valve is exceeded; and controlling the opening of the Poff valve if the intervention curve of the Poff valve is exceeded.

    摘要翻译: 一种内燃机的控制方法,所述内燃机通过具有涡轮机的涡轮增压器和压缩机进行增压; 控制方法考虑以下步骤:在减少的质量流量/压缩比图上建立至少一个操作极限曲线; 建立在减少质量流量/压缩比图上调节涡轮机旁通管的废气门阀的至少一个介入曲线; 建立在减压质量流量/压缩比图上调节压缩机的旁通管的Poff阀的至少一个介入曲线; 使用操作极限曲线来限制发动机控制器使用的压缩机下游的压力目标; 如果超过废气门阀的干预曲线,则控制废气门阀的打开; 如果超过Poff阀的介入曲线,则控制Poff阀的打开。

    Method for controlling a power assisted propulsion system in a motor vehicle
    6.
    发明授权
    Method for controlling a power assisted propulsion system in a motor vehicle 有权
    用于控制机动车辆中的动力辅助推进系统的方法

    公开(公告)号:US07967725B2

    公开(公告)日:2011-06-28

    申请号:US11983805

    申请日:2007-11-09

    IPC分类号: B60W10/04

    摘要: A method for controlling a power assisted propulsion system in a motor vehicle so as to perform a transition from a lower gear to a higher gear without interrupting a driving torque applied to driving wheels; the propulsion system displays an internal combustion engine provided with a drive shaft and a power assisted transmission including: a power assisted mechanical gearbox provided with a primary shaft connectable to the drive shaft and a secondary shaft coupled to a transmission shaft which transmits motion to the driving wheels; a power assisted clutch interposed between the drive shaft and the primary shaft of the gearbox to couple and decouple the drive shaft to the primary shaft of the gearbox; a power assisted brake; and an epicycloidal gear having three rotating elements: a first rotating element coupled to the drive shaft, a second rotating element coupled to the secondary shaft of the gearbox, and a third rotating element coupled to the brake.

    摘要翻译: 一种用于控制机动车辆中的动力辅助推进系统以便在不中断施加到驱动轮的驱动转矩的情况下从低档转换到较高档位的方法; 所述推进系统显示设置有驱动轴和动力辅助变速器的内燃机,包括:动力辅助机械齿轮箱,其设置有可连接到所述驱动轴的主轴和联接到传动轴的副轴,所述传动轴将运动传递到所述驱动 车轮 动力辅助离合器,其插入在所述驱动轴和所述齿轮箱的主轴之间,以将所述驱动轴联接到所述齿轮箱的主轴; 动力辅助制动器; 以及具有三个旋转元件的外周齿轮:联接到所述驱动轴的第一旋转元件,联接到所述齿轮箱的次级轴的第二旋转元件以及联接到所述制动器的第三旋转元件。

    Control method for a direct injection system of the common-rail type provided with a shut-off valve for controlling the flow rate of a high-pressure
    7.
    发明授权
    Control method for a direct injection system of the common-rail type provided with a shut-off valve for controlling the flow rate of a high-pressure 有权
    具有用于控制高压燃料泵的流量的截止阀的共轨式直接喷射系统的控制方法

    公开(公告)号:US07856960B2

    公开(公告)日:2010-12-28

    申请号:US12235639

    申请日:2008-09-23

    IPC分类号: F02M57/02

    CPC分类号: F02D41/3854

    摘要: A control method of a direct injection system of the common-rail type provided with a shut-off valve for controlling the flow rate of a high-pressure fuel pump; the control method contemplates the steps of: feeding the pressurized fuel to a common rail by means of a high-pressure pump which receives the fuel through a shut-off valve; cyclically controlling the opening and closing of the shut-off valve for choking the flow rate of fuel taken in by the high-pressure pump; adjusting the flow rate of fuel taken in by the high-pressure pump by varying the ratio between the duration of the opening time and the duration of the closing time of the shut-off valve; determining a lower limit value of the opening time of the shut-off valve; and adjusting the driving frequency of the shut-off valve so that the real opening time of the shut-off valve is always over the lower limit value.

    摘要翻译: 一种共轨型直喷系统的控制方法,其具备用于控制高压燃料泵的流量的切断阀; 控制方法考虑了以下步骤:借助于通过截止阀接收燃料的高压泵将加压燃料供给到共轨; 循环地控制截止阀的打开和关闭,以阻止由高压泵吸入的燃料的流量; 通过改变打开时间的持续时间与截止阀的关闭时间的持续时间之间的比率来调节由高压泵吸入的燃料的流量; 确定截止阀的打开时间的下限值; 并且调节截止阀的驱动频率,使截止阀的实际打开时间始终超过下限值。

    Electromagnetic valve for the dosage of fuel in an internal combustion engine
    8.
    发明授权
    Electromagnetic valve for the dosage of fuel in an internal combustion engine 有权
    用于内燃机燃料剂量的电磁阀

    公开(公告)号:US07845617B2

    公开(公告)日:2010-12-07

    申请号:US12040233

    申请日:2008-02-29

    IPC分类号: F16K31/02

    摘要: An electromagnetic valve for the dosage of fuel in an internal combustion engine; the electromagnetic valve is provided with: a cylindrical tubular valve body; an obturator, which is arranged within the tubular valve body and is mobile between an open position and a closed position; and an electromagnetic actuator to shift the obturator and comprising a coil arranged outside the tubular valve body, a fixed magnetic pole is arranged within the tubular valve body, a mobile keeper arranged within the tubular valve body, mechanically connected to the obturator and is adapted to be magnetically attracted by the magnetic pole when the coil is excited, a tubular magnetic armature arranged outside the tubular valve body around the coil, and a magnetic washer having an annular shape arranged above the coil between the tubular valve body and the tubular magnetic armature to guide the closing of the magnetic flow around the coil.

    摘要翻译: 一种内燃机燃料用量的电磁阀; 电磁阀设有:圆柱形管状阀体; 封闭器,其布置在管状阀体内并且在打开位置和关闭位置之间移动; 以及用于移动所述闭塞器并且包括布置在所述管状阀体外部的线圈的电磁致动器,在所述管状阀体内布置有固定磁极,设置在所述管状阀体内的移动式保持器,机械地连接到所述封闭器,并且适于 当线圈被激励时被磁极吸引,管状磁性电枢布置在管状阀体周围的管状磁性衔铁,以及环形形状的磁性垫圈,其布置在管状阀体和管状磁性衔铁之间的线圈之上, 引导线圈周围的磁流的闭合。

    Electronic-injection fuel-supply system
    9.
    发明授权
    Electronic-injection fuel-supply system 有权
    电子注射燃料供应系统

    公开(公告)号:US07802557B2

    公开(公告)日:2010-09-28

    申请号:US11973785

    申请日:2007-10-10

    IPC分类号: F02M57/02 F02M37/04

    摘要: Described herein is an electronic-injection fuel-supply system for an internal-combustion engine having at least one injector and a fuel pump; the fuel pump is provided with: a variable-volume pumping chamber; a one-way intake valve; a one-way delivery valve; a mobile piston that integrates within it the intake valve and is coupled to the pumping chamber to vary cyclically the volume of the pumping chamber itself; and an actuator device that impresses a reciprocating motion on the piston and has an electromagnetic actuator for actuating the piston during an intake phase and a spring for actuating the piston during a delivery phase.

    摘要翻译: 这里描述的是具有至少一个喷射器和燃料泵的用于内燃机的电子喷射燃料供应系统; 燃油泵设有:可变体积泵送室; 单向进气阀; 单向输送阀; 移动式活塞,其在其内部集成有进气门并联接到泵送室,以周期性地改变泵送室本身的体积; 以及致动器装置,其在活塞上施加往复运动,并且具有用于在进气阶段期间致动活塞的电磁致动器和用于在输送阶段期间致动活塞的弹簧。