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    Internal combustion engine gas feeding system
    21.
    发明授权
    Internal combustion engine gas feeding system 失效
    内燃机供气系统

    公开(公告)号：US07036491B2

    公开(公告)日：2006-05-02

    申请号：US11054558

    申请日：2005-02-10

    申请人： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Claudio Amorese ,  Dario Manodoro ,  Raffaele Ricco

    发明人： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Claudio Amorese ,  Dario Manodoro ,  Raffaele Ricco

    IPC分类号： F02B43/00

    CPC分类号： F02M21/0239 ,  F02D19/022 ,  F02M21/0233 ,  F02M21/0242 ,  F02M21/0245 ,  G05D16/2093 ,  Y02T10/32

    摘要： In a gas-supply system for internal-combustion engines, a pressure-reducing valve is set between the reservoir of the gas and a distribution manifold or rail that feeds the gas to a series of electromagnetically controlled injectors associated to the various cylinders of the engine. The pressure-reducing valve brings about a pressure drop which depends upon a pilot-pressure signal that is sent thereto by a pilot solenoid valve. The electrical supply to the solenoid of said pilot solenoid valve is controlled by an electronic control unit according to the signal issued by a sensor of the pressure in the rail for the purpose of regulating the pressure in the rail at a desired level, according to the operating conditions of the engine.

    摘要翻译： 在用于内燃机的气体供应系统中，减压阀设置在气体储存器和分配歧管或轨道之间，该分配歧管或轨道将气体供给到与发动机的各个气缸相关联的一系列电磁控制的喷射器 。 减压阀产生一个压降，这取决于由先导电磁阀送到其上的先导压力信号。 根据由传感器发出的信号，由电子控制单元控制所述先导电磁阀的螺线管的电力供应，以便将轨道中的压力调节到期望的水平，根据 发动机的运行条件。

    Device for regulating pressure/flow in an internal combustion engine fuel injection system
    22.
    发明申请
    Device for regulating pressure/flow in an internal combustion engine fuel injection system 有权
    用于调节内燃机燃油喷射系统中的压力/流量的装置

    公开(公告)号：US20060000448A1

    公开(公告)日：2006-01-05

    申请号：US11096874

    申请日：2005-04-01

    申请人： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Annunziata Satriano ,  Raffaele Ricco

    发明人： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Annunziata Satriano ,  Raffaele Ricco

    IPC分类号： F02M63/00

    CPC分类号： F02D41/3863 ,  F02D2200/0602 ,  F02M63/0225 ,  F02M63/0245

    摘要： The injection system (1) includes a storage volume (6) of pressurized fuel supplied by a high-pressure pump (7) along a delivery pipe (8); and a control unit (16) for defining the required fuel pressure of the storage volume (6) as a function of the operating conditions of the engine (2). The regulating device includes a bypass solenoid valve (14); and a pair of non-return valves (32, 33) connected antiparallel and located between the bypass valve (14) and the storage volume (6). One of the non-return valves (32, 33) permits fuel drainage from the storage volume (6) to the bypass valve (14) when the control unit (16) defines a predetermined reduction (Δp) in the fuel pressure of the storage volume (6).

    摘要翻译： 注射系统（1）包括沿着输送管（8）由高压泵（7）供应的加压燃料的储存容积（6）; 以及用于根据发动机（2）的操作条件来定义存储容积（6）的所需燃料压力的控制单元（16）。 调节装置包括旁路电磁阀（14）; 以及一对逆并联并位于旁通阀（14）和存储容积（6）之间的止回阀（32,33）。 当控制单元（16）在存储器的燃料压力中限定预定的减小（Deltap）时，其中一个止回阀（32,33）允许从储存容积（6）到旁通阀（14）的燃料排放 卷（6）。

    Storage-volume fuel injection system for an internal combustion engine
    23.
    发明授权
    Storage-volume fuel injection system for an internal combustion engine 有权
    用于内燃机的储存体积燃料喷射系统

    公开(公告)号：US07182067B2

    公开(公告)日：2007-02-27

    申请号：US11110300

    申请日：2005-04-20

    申请人： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Annunziata Anna Satriano ,  Raffaele Ricco

    发明人： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Annunziata Anna Satriano ,  Raffaele Ricco

    IPC分类号： F02M37/04

    CPC分类号： F02D41/3845 ,  F02D41/402 ,  F02M59/366 ,  F02M63/0225 ,  Y02T10/44

    摘要： The injection system (1) includes a pump (7) for supplying high-pressure fuel to a storage volume, defined for example by a common rail (6), for supplying a number of injectors (5). The pump (7) has at least one reciprocating pumping member (18) with a sinusoidal compression stroke (24). The injection system (1) includes at least one bypass solenoid valve (14) controlled by a control unit (16) having a chopper unit (28) for producing multiple deliveries (29, 31) at each compression stroke (24), so that the pressure in the common rail (6) is substantially level. Each pumping member (18) may be associated with a corresponding bypass solenoid valve (14).

    摘要翻译： 注射系统（1）包括用于将高压燃料供应到例如由共轨（6）限定的用于供应多个喷射器（5）的存储容积的泵（7）。 泵（7）具有至少一个具有正弦压缩冲程（24）的往复泵送构件（18）。 注射系统（1）包括由具有斩波器单元（28）的控制单元（16）控制的至少一个旁路电磁阀（14），用于在每个压缩冲程（24）下产生多个输送（29,31），使得 共轨（6）中的压力基本上是水平的。 每个泵送构件（18）可以与相应的旁路电磁阀（14）相关联。

    Fuel-control servo valve, and fuel injector provided with such servo valve
    25.
    发明申请
    Fuel-control servo valve, and fuel injector provided with such servo valve 有权
    燃油控制伺服阀和配有这种伺服阀的燃油喷射器

    公开(公告)号：US20060266846A1

    公开(公告)日：2006-11-30

    申请号：US11441641

    申请日：2006-05-26

    申请人： Mario Ricco ,  Raffaele Ricco ,  Annunziata Satriano ,  Sergio Stucchi ,  Onofrio De Michele

    发明人： Mario Ricco ,  Raffaele Ricco ,  Annunziata Satriano ,  Sergio Stucchi ,  Onofrio De Michele

    IPC分类号： F02M47/02

    CPC分类号： F02M47/027 ,  F02M63/0015 ,  F02M63/004 ,  F02M63/0043 ,  F02M63/007 ,  F02M63/0071 ,  F02M63/0073 ,  F02M63/008 ,  F02M2200/04 ,  F02M2200/28 ,  F02M2547/003

    摘要： A servo valve (7) for fuel control is provided with an actuator (14) and a valve body (8, 28), which is set in a fixed position and has a stem (33) that extends along a longitudinal axis (3) and defines an internal passage (26); said internal passage (26) has at least two radial channels (39), which give out into an outlet through an outer lateral surface (34) of the stem (33) and have respective first portions (43) of calibrated length and cross section; said first portions (42) are followed by respective second portions of larger diameter; the servo valve (7) is provided with an open/close element (17), which is coupled to the outer lateral surface (34) of the stem (33) substantially in a fluid-tight way and is axially movable under the action of the actuator (14) for opening/closing the internal passage (26) of the stem (33); in the closing position, the open/close element (17) is subject to a zero axial resultant force by the pressure of the fuel.

    摘要翻译： 用于燃料控制的伺服阀（7）设置有致动器（14）和阀体（8,28），其被设置在固定位置并且具有沿着纵向轴线（3）延伸的杆（33） 并限定内部通道（26）; 所述内部通道（26）具有至少两个径向通道（39），所述至少两个径向通道（39）通过所述杆（33）的外侧表面（34）进入出口，并具有相应的具有校准长度和横截面的第一部分（43） ; 所述第一部分（42）之后是相应的较大直径的第二部分; 伺服阀（7）设置有开/关元件（17），其基本上以流体密封的方式联接到杆（33）的外侧表面（34），并且可在轴向移动的作用下 所述致动器（14）用于打开/关闭所述杆（33）的内部通道（26）; 在关闭位置，打开/关闭元件（17）经受燃料压力的零轴向合力。

    Fuel injection system with high repeatability and stability of operation for an internal-combustion engine
    26.
    发明授权
    Fuel injection system with high repeatability and stability of operation for an internal-combustion engine 有权
    具有高内燃机重复性和稳定性的燃油喷射系统

    公开(公告)号：US09140223B2

    公开(公告)日：2015-09-22

    申请号：US12624200

    申请日：2009-11-23

    申请人： Mario Ricco ,  Sergio Stucchi ,  Raffaele Ricco ,  Onofrio De Michele ,  Chiara Altamura ,  Domenico Lepore

    发明人： Mario Ricco ,  Sergio Stucchi ,  Raffaele Ricco ,  Onofrio De Michele ,  Chiara Altamura ,  Domenico Lepore

    IPC分类号： F02M45/08 ,  F02M47/02 ,  F02M63/00 ,  F02D41/20 ,  F02D41/40

    CPC分类号： F02M47/027 ,  F02D41/20 ,  F02D41/403 ,  F02M45/08 ,  F02M63/0024 ,  F02M63/004 ,  F02M63/007 ,  F02M63/0075 ,  F02M63/008 ,  F02M2200/306 ,  F02M2547/003

    摘要： The fuel injection system comprises a fuel injector controlled by commands of a control unit. The fuel injector comprises a metering servo valve having a control chamber provided with an outlet passage that is opened/closed by an open/close element that is axially movable. The open/close element is carried by an axial guide element that is separate from an armature of an electromagnet. The open/close element is held in the closing position by a spring acting through an intermediate body. In some instances, the strokes of the open/close element and of the armature are chosen so as to eliminate, upon closing of the servo valve, the rebounds of the open/close element subsequent to the first rebound. The control unit controls a fuel injection comprising a pilot fuel injection and a main fuel injection, via two distinct electrical commands, which are spaced apart by a dwell time such as to occur in an area of reduced variation of the amount of injected fuel. Therefore, the stability of operation of the fuel injection system increases as the dwell time varies.

    摘要翻译： 燃料喷射系统包括由控制单元的命令控制的燃料喷射器。 燃料喷射器包括计量伺服阀，其具有控制室，该控制室设置有通过可轴向移动的打开/关闭元件打开/关闭的出口通道。 开/关元件由与电磁体的电枢分离的轴向引导元件承载。 打开/关闭元件通过作用在中间体上的弹簧保持在关闭位置。 在某些情况下，选择打开/关闭元件和电枢的行程，以便在关闭伺服阀时消除在第一次回弹之后的打开/关闭元件的反弹。 控制单元经由两个不同的电气指令来控制包括先导燃料喷射和主燃料喷射的燃料喷射，其间隔开停留时间，以便发生在喷射燃料量的变化量减小的区域中。 因此，燃料喷射系统的运行稳定性随着停留时间的变化而增加。

    Fuel injector equipped with a metering servovalve for an internal combustion engine
    27.
    发明授权
    Fuel injector equipped with a metering servovalve for an internal combustion engine 有权
    燃油喷射器配备有用于内燃机的计量伺服阀

    公开(公告)号：US08459575B2

    公开(公告)日：2013-06-11

    申请号：US12491938

    申请日：2009-06-25

    申请人： Mario Ricco ,  Raffaele Ricco ,  Sergio Stucchi ,  Onofrio De Michele

    发明人： Mario Ricco ,  Raffaele Ricco ,  Sergio Stucchi ,  Onofrio De Michele

    IPC分类号： F02M51/06 ,  F02M51/00 ,  B05B1/30 ,  F16K31/02

    CPC分类号： F02M63/004 ,  F02M47/027 ,  F02M63/0042 ,  F02M63/007 ,  F02M63/008 ,  F02M2200/16 ,  F02M2200/27 ,  F02M2200/28 ,  F02M2547/003

    摘要： A fuel injector has an injector body and a control rod, which is movable in the injector body along an axis to control the opening/closing of a nozzle that injects fuel into a cylinder of the engine; the injector body houses a metering servovalve having a control chamber, which is axially delimited by the control rod and communicates with an inlet and with a discharge channel; the metering servovalve is provided with a shutter, which slides axially on an axial guide, from which the discharge channel exits, to open and close the discharge channel and, in consequence, vary the pressure in the control chamber; the discharge channel has at least two restrictions having calibrated passage sections and arranged in series with each other to divide the pressure drop along the discharge channel.

    摘要翻译： 燃料喷射器具有喷射器主体和控制杆，其可以沿着轴线在喷射器主体中移动，以控制将燃料喷射到发动机气缸中的喷嘴的打开/关闭; 注射器主体容纳具有控制室的计量伺服阀，该控制室由控制杆轴向限定并与入口和排放通道连通; 计量伺服阀设有挡板，其在轴向引导件上轴向滑动，排放通道从该导向器滑出，以打开和关闭排放通道，并因此改变控制室中的压力; 排出通道具有至少两个具有校准通道部分的限制并且彼此串联布置以沿着排出通道分开压降。

    Fuel injector with balanced metering servovalve, for an internal combustion engine
    28.
    发明授权
    Fuel injector with balanced metering servovalve, for an internal combustion engine 有权
    燃油喷射器具有平衡计量伺服阀，用于内燃机

    公开(公告)号：US07954787B2

    公开(公告)日：2011-06-07

    申请号：US12021531

    申请日：2008-01-29

    申请人： Mario Ricco ,  Raffaele Ricco ,  Antonio Gravina ,  Marcello Gargano ,  Sergio Stucchi ,  Onofrio De Michele

    发明人： Mario Ricco ,  Raffaele Ricco ,  Antonio Gravina ,  Marcello Gargano ,  Sergio Stucchi ,  Onofrio De Michele

    IPC分类号： F16K31/02

    CPC分类号： F02M47/027 ,  F02M63/004 ,  F02M63/007 ,  F02M63/008 ,  F02M2200/28 ,  F02M2547/003

    摘要： The injector comprises a balanced metering servovalve to control a rod for the opening/closing of a nozzle. La servovalve has a valve body with a control chamber radially delimited by a tubular portion and fitted with an outlet passage that is opened/closed by an axially movable shutter. The servovalve is also integral with an axial stem, provided with a lateral surface, through which the outlet channel exits. The shutter is coupled to the stem in an axially sliding manner and, when it closes the outlet passage, it is subjected to substantially null axial fuel pressure. The outlet passage has a calibrated segment distanced from the shutter and close to a bottom wall of the control chamber. The calibrated segment is carried by an element fixed to the valve body in correspondence to an axial segment of the outlet passage.

    摘要翻译： 喷射器包括平衡计量伺服阀，用于控制用于打开/关闭喷嘴的杆。 La伺服阀具有阀体，其具有由管状部分径向限定的控制室，并且装配有由可轴向移动的快门打开/关闭的出口通道。 伺服阀还与轴向杆成一体，轴向杆具有侧面，出口通道通过该侧面离开。 快门以轴向滑动方式联接到杆上，并且当其关闭出口通道时，其受到基本上无效的轴向燃料压力。 出口通道具有远离闸门并靠近控制室的底壁的校准段。 校准段由与出口通道的轴向段对应的固定到阀体的元件承载。