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    System and method for feeding LPG to an internal combustion engine
    1.
    发明申请
    System and method for feeding LPG to an internal combustion engine 失效
    向内燃机供油的系统和方法

    公开(公告)号：US20030051711A1

    公开(公告)日：2003-03-20

    申请号：US10244675

    申请日：2002-09-17

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco

    IPC: F02B043/00

    CPC classification number: F02M21/0221 ,  F02D19/022 ,  F02D19/027 ,  F02M21/0212 ,  F02M21/0245 ,  F02M37/10 ,  Y02T10/32

    Abstract: A GPL fuel system for an internal combustion engine, including a GPL fuel tank and a pump immersed in the fuel tank and driven by an electric motor, the pump being kept constantly running when the temperature is below 0null C. or above 80null C., whilst the supply voltage of the electric motor driving the pump is chopper-controlled when the temperature is between the two said values.

    Abstract translation: 一种用于内燃机的GPL燃料系统，包括GPL燃料箱和浸在燃料箱中并由电动机驱动的泵，当温度低于0℃或高于80℃时，泵保持恒定运行 当温度在两个所述值之间时，驱动泵的电动机的电源电压被斩波控制。

    Connector member for electrical connections through a wall of a fuel tank, particularly for the LPG fuel tank of a motor vehicle
    2.
    发明申请
    Connector member for electrical connections through a wall of a fuel tank, particularly for the LPG fuel tank of a motor vehicle 失效
    用于通过燃料箱壁的电连接的连接器构件，特别是用于汽车的液化石油气燃料箱

    公开(公告)号：US20040188121A1

    公开(公告)日：2004-09-30

    申请号：US10799887

    申请日：2004-03-15

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco ,  Sisto Luigi De Matthaeis ,  Claudio Amorese ,  Onofrio De Michele ,  Annunziata Anna Satriano

    IPC: H02G003/08

    CPC classification number: H01R13/5202 ,  F17C13/04 ,  F17C2205/0326 ,  F17C2205/0332 ,  F17C2221/035 ,  F17C2227/0135 ,  F17C2227/0178 ,  F17C2250/0417 ,  F17C2265/066 ,  F17C2270/0168 ,  H01R13/521 ,  H01R13/748 ,  H01R2201/26 ,  Y10T16/05 ,  Y10T16/063

    Abstract: A fuel tank for motor vehicles, for example an LPG fuel tank, contains inside it at least one electrical component and has a wall or a plate bearing at least one connector for connection of the electrical component with an electrical line external to the tank. The electrical connector has a body made of synthetic material or of elastomer material directly moulded on one or more conductor pins so as to guarantee hermetic sealing of the tank even in the presence of a pressure jump between the internal cavity of the tank and the external environment. In the case where the body of the connector is made of synthetic material, it bears seats for seal rings made of elastomer material. In the case where it is made of elastomer material, it guarantees directly the function of tightness. In either case, there are provided means for exerting an axial compressive force on the part that performs the tightness function.

    Abstract translation: 用于机动车辆的燃料箱（例如LPG燃料箱）在其内部包含至少一个电气部件，并且具有至少一个连接器的壁或板轴承，用于将电气部件与外部的电线连接。 电连接器具有由合成材料制成的主体或直接模制在一个或多个导体销上的弹性体材料，以便即使在储罐的内部空腔和外部环境之间存在压力跳跃的情况下也能保证罐的气密密封 。 在连接器的主体由合成材料制成的情况下，它承载由弹性体材料制成的密封环。 在由弹性体材料制成的情况下，它直接保证紧密的功能。 在这两种情况下，提供了在执行紧密功能的部件上施加轴向压缩力的装置。

    System and method for feeding LPG by injection for an internal combustion engine
    4.
    发明申请
    System and method for feeding LPG by injection for an internal combustion engine 失效
    用于内燃机注射进料LPG的系统和方法

    公开(公告)号：US20040149270A1

    公开(公告)日：2004-08-05

    申请号：US10747081

    申请日：2003-12-30

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco ,  Sisto Luigi ,  Claudio Amorese ,  Onofrio De Michele

    IPC: F02M037/04 ,  F02B013/00

    CPC classification number: F02M21/0221 ,  F02D19/025 ,  F02D19/026 ,  F02D19/027 ,  F02M21/0212 ,  F02M21/0245 ,  F02M37/10 ,  Y02T10/32

    Abstract: In a system for feeding LPG by injection for an internal combustion engine, sensor means are provided for measuring the electrical current absorbed by the electric motor for driving the feed pump. The operation of said electric motor is interrupted when the measured electrical current absorbed drops below a predetermined threshold value. The system thereby prevents the operation of the motor-pump assembly, which is immersed in the LPG within the LPG tank, when the level of LPG in the tank drops below a minimum admissible value. Simultaneously to the interruption of the operation of the electric motor an auxiliary petrol feed system is activated.

    Abstract translation: 在用于通过内燃机喷射进料LPG的系统中，提供传感器装置，用于测量用于驱动进给泵的电动机吸收的电流。 当被测量的电流下降到预定阈值以下时，所述电动机的操作被中断。 因此，当液舱中的液化石油气液位低于最小允许值时，该系统可防止浸没在液化石油气储罐内的液化石油气中的电动泵组件的运行。 在电动机的操作中断的同时，启动辅助汽油供给系统。

    Method of producing fuel injectors, and relative fuel injector
    5.
    发明申请
    Method of producing fuel injectors, and relative fuel injector 失效
    生产燃料喷射器的方法和相对燃料喷射器

    公开(公告)号：US20020130203A1

    公开(公告)日：2002-09-19

    申请号：US10034634

    申请日：2001-12-28

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco

    IPC: F02M039/00

    CPC classification number: F02M63/0031 ,  F02M47/027 ,  F02M55/005 ,  F02M61/168 ,  F02M2200/16 ,  F02M2200/9015 ,  F02M2547/003 ,  Y10T29/49771

    Abstract: A method of producing fuel injectors for internal combustion engines provides for establishing a working life of each injector conforming with the working life of the internal combustion engine on which it is installed. Each injector has an injector body having a seat; a valve body housed inside the seat so as to form an annular chamber, for receiving high-pressure fuel, and a gap communicating with the annular chamber; and a seal housed inside the annular chamber to seal the gap. The seal is sized as a function of the permanent deformation to which the seal is subjected during use of the injector, so as to achieve a working life of the injector substantially equal to the working life of the engine.

    Abstract translation: 一种生产用于内燃机的燃料喷射器的方法，提供了符合其所安装的内燃机的使用寿命的每个喷射器的使用寿命。 每个喷射器具有具有座的喷射器主体; 容纳在所述座内的阀体，以形成用于接收高压燃料的环形室，以及与所述环形室连通的间隙; 以及密封件，其容纳在环形室内部以密封间隙。 密封件的大小与密封件在使用注射器期间经受的永久变形的大小相一致，以便实现喷射器的使用寿命基本上等于发动机的使用寿命。

    Method of producing a fuel injector, and relative fuel injector
    6.
    发明申请
    Method of producing a fuel injector, and relative fuel injector 失效
    燃料喷射器的制造方法以及相对燃料喷射器

    公开(公告)号：US20020125344A1

    公开(公告)日：2002-09-12

    申请号：US10034631

    申请日：2001-12-28

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco ,  Adriano Gorgoglione

    IPC: F02M039/00

    CPC classification number: F02M63/0031 ,  F02M47/027 ,  F02M61/168 ,  F02M63/0036 ,  F02M2200/80 ,  F02M2200/8061 ,  F02M2200/8092 ,  F02M2547/003 ,  Y10T29/49412 ,  Y10T29/49945

    Abstract: A fuel injector has an injector body extending along a given axis; a tubular valve body housed inside a hole in the injector body and coaxial with the injector body; and an annular chamber defined by the injector body and the valve body. The method of producing the injector includes connecting the valve body to the injector body, and fixing the valve body in a given position along the axis with respect to the injector body by means of a driving operation to interference fit the valve body inside the hole in the injector body.

    Abstract translation: 燃料喷射器具有沿给定轴线延伸的喷射器主体; 管状阀体，容纳在喷射器主体的孔内并与喷射器主体同轴; 以及由喷射器主体和阀体限定的环形室。 制造喷射器的方法包括将阀体连接到喷射器主体，并且通过驱动操作将阀体相对于喷射器主体沿着轴线固定在给定位置，以将阀体过盈配合在孔内部 注射器体。

    INTERNAL COMBUSTION ENGINE FUEL INJECTOR
    8.
    发明申请
    INTERNAL COMBUSTION ENGINE FUEL INJECTOR 有权
    内燃机燃油喷射器

    公开(公告)号：US20020096581A1

    公开(公告)日：2002-07-25

    申请号：US10034632

    申请日：2001-12-28

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco ,  Adriano Gorgoglione

    IPC: F02M051/00

    CPC classification number: F02M47/027 ,  F02M63/0017 ,  F02M63/0075 ,  F02M2200/26

    Abstract: The injector has a hollow body housing a fuel metering valve closed by a closing spring; and a support housing an electromagnet controlling an armature. The support is connected to the hollow body, and the armature provides for opening the valve. The armature is fitted inside the hollow body by means of a leaf spring hinge having an annular portion fixed between the hollow body and the support, and a projecting radial tongue fixed to a central portion of the armature. The tongue, together with at least one radial appendix of the leaf spring hinge, provides for arresting the armature with a predetermined clearance with respect to the core of the electromagnet.

    Abstract translation: 注射器具有容纳由关闭弹簧封闭的燃料计量阀的中空体; 以及支撑件，其容纳控制电枢的电磁体。 支撑件连接到中空体，衔铁提供打开阀门。 电枢通过具有固定在中空本体和支撑件之间的环形部分的片簧弹簧铰链装配在中空本体内部，以及固定到电枢的中心部分的突出的径向舌片。 舌片与板簧铰链的至少一个径向附件一起提供相对于电磁体的芯部以预定的间隙阻止电枢。

    Internal combustion engine fuel injection system
    10.
    发明申请
    Internal combustion engine fuel injection system 有权
    内燃机燃油喷射系统

    公开(公告)号：US20020096145A1

    公开(公告)日：2002-07-25

    申请号：US10034629

    申请日：2001-12-28

    Applicant: C.R.F. SOCIETA CONSORTILE PER AZIONI

    Inventor： Mario Ricco ,  Alfonso Di Meo ,  Silvio Canale

    IPC: F02M001/00

    CPC classification number: F02M63/0052 ,  F02D41/38 ,  F02D41/3809 ,  F02M45/02 ,  F02M59/08 ,  F02M59/102 ,  F02M59/366 ,  F02M63/0225

    Abstract: The system has a high-pressure pump having a number of mechanical pumping elements for pumping high-pressure fuel to a common rail; and a number of injectors communicating with the rail and activated to inject a quantity of fuel sequentially into the corresponding cylinders of the engine. Each pumping element has a delivery at least equal to the maximum draw of each injector, and is activated in phase with at least one of the injectors to minimize the variations in fuel pressure in the rail. Each pumping element may be activated by a cam, which may even have a segmented profile to effect a portion of the travel of the respective pumping element in phase with a corresponding injector.

    Abstract translation: 该系统具有高压泵，其具有用于将高压燃料泵送到共轨的多个机械泵送元件; 以及多个喷射器，其与轨道连通并被激活以将一定量的燃料顺序地喷射到发动机的相应气缸中。 每个泵送元件具有至少等于每个喷射器的最大吸力的输送，并且与至少一个喷射器同相激活，以最小化轨道中的燃料压力的变化。 每个泵送元件可以被凸轮激活，凸轮甚至可以具有分段轮廓以实现相应泵送元件与相应的喷射器同相的行进的一部分。

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