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1. 发明申请

US20050207912A1 Fuel pump for an internal combustion engine 审中-公开
标题翻译：用于内燃机的燃油泵
公开(公告)号：US20050207912A1
公开(公告)日：2005-09-22
申请号：US10991564
申请日：2004-11-18
申请人： Massimo Lolli , Marcello Cristiani , Paolo Pasquali , Cecilia Lamberti , Massimo Mattioli
发明人： Massimo Lolli , Marcello Cristiani , Paolo Pasquali , Cecilia Lamberti , Massimo Mattioli
IPC分类号： F04B43/00 , F04B43/067 , F04B9/08 , F04B35/02
CPC分类号： F04B43/067 , F04B43/0054
摘要： In a fuel pump for an internal combustion engine, a pumping device is adapted to vary the volume of a first chamber containing the fuel and is formed by a second chamber adapted to contain oil, a deformable diaphragm for the leak-tight separation of the chambers from one another, and by a piston mounted to slide within the second chamber and comprising an active end surface bounding this second chamber; the diaphragm being adapted to be deformed to vary the volume of the first chamber under the action of the thrust exerted by the oil contained in the second chamber following an alternating movement of the piston within this second chamber.
摘要翻译：在用于内燃机的燃料泵中，泵送装置适于改变容纳燃料的第一室的体积，并且由适于容纳油的第二室形成，用于密封室分离的可变形隔膜并且通过安装成在第二腔室内滑动的活塞并且包括限定该第二腔室的活动端面; 所述隔膜适于在所述活塞在所述第二室内的交替运动之后，在由所述第二室中容纳的油施加的推力的作用下变形以改变所述第一室的体积。

2. 发明授权

US6112727A Fuel supply unit for an endothermal engine 失效
标题翻译：用于吸热发动机的燃油供应单元
公开(公告)号：US6112727A
公开(公告)日：2000-09-05
申请号：US353846
申请日：1999-07-15
申请人： Marcello Cristiani , Massimo Lolli
发明人： Marcello Cristiani , Massimo Lolli
IPC分类号： F02M59/44 , F02M63/02 , F02M37/04
CPC分类号： F02M59/442 , F02M37/0052 , F02M63/0225
摘要： A unit for supplying fuel to an endothermal engine, the unit comprising a manifold to which injectors are connected in order to supply fuel to the engine, a high pressure pumping device which has its output connected to the manifold and its intake connected to an extraction pump adapted to transfer fuel from the storage tank to this device and a pressure regulator adapted to regulate the pressure of the fuel supplied to the pumping device by supplying surplus fuel along a bleed duct communicating with the tank, the pumping device having at least one piston moving axially within a respective cylinder in order to define a variable volume pumping chamber. The supply unit has a leakage channel provided with a first mouth communicating with the cylinder below the pumping chamber and a second mouth communicating with the bleed duct, and an ejector disposed in the bleed duct at the location of the second mouth in order to recall along the leakage channel fuel leaking from the pumping chamber between the piston and the cylinder.
摘要翻译：用于向吸热发动机供应燃料的单元，该单元包括连接注射器以将燃料连接到发动机的歧管，高压泵送装置，其输出连接到歧管，其进气口连接到抽气泵适于将燃料从储罐转移到该装置;以及压力调节器，其适于通过沿着与罐连通的排放管道供应多余的燃料来调节供给到所述泵送装置的燃料的压力，所述泵送装置具有至少一个活塞轴向地在相应的气缸内，以便限定可变体积泵送室。所述供应单元具有泄漏通道，所述泄漏通道设置有与所述泵送室下方的气缸连通的第一口和与所述排出管连通的第二口，以及在所述排出管中在所述第二口的位置处设置的喷射器，以便回忆泄漏通道燃料从活塞和气缸之间的泵送室泄漏。

3. 发明授权

US07850100B2 Electromagnetic fuel injector for a direct injection internal combustion engine 有权
标题翻译：用于直喷式内燃机的电磁燃油喷射器
公开(公告)号：US07850100B2
公开(公告)日：2010-12-14
申请号：US12001998
申请日：2007-12-12
申请人： Luca Cagnolati , Massimo Mattioli , Marcello Cristiani
发明人： Luca Cagnolati , Massimo Mattioli , Marcello Cristiani
IPC分类号： F02M51/00
CPC分类号： F02M51/0614 , F02M51/0671 , F02M61/188 , Y10S239/19 , Y10S239/90 , Y10T29/4902
摘要： An embodiment of a fuel injector comprising: an injection valve provided with a mobile needle for regulating the fuel flow through an injection nozzle; a supporting body having a tubular shaft and displaying a feeding channel which ends with the injection valve; and an electromagnetic actuator comprising a spring which tends to maintain the needle in a closing position and an electromagnet, which comprises a coil arranged outside the supporting body, a fixed magnetic armature arranged within the supporting body, and a keeper which is arranged within the supporting body, is magnetically attracted by the magnetic armature against the bias of the spring, and is mechanically connected to the needle; the coil displaying a toroidal shape having an internal annular surface, which is directly in contact with an external surface of the supporting body without the interposition of any intermediate element.
摘要翻译：一种燃料喷射器的实施例，包括：喷射阀，其设置有用于调节通过喷嘴的燃料流的移动针; 支撑体，其具有管状轴并且显示与所述喷射阀结合的供给通道; 以及电磁致动器，其包括倾向于将针保持在关闭位置的弹簧和包括布置在支撑体外部的线圈的电磁体，布置在支撑体内的固定磁性衔铁，以及配置在支撑体内的保持器主体被磁性衔铁抵抗弹簧的偏压磁吸引，并机械地连接到针上; 该线圈显示具有内部环形表面的环形形状，其直接与支撑体的外表面接触而不插入任何中间元件。

4. 发明授权

US06354272B1 High pressure pumping device 有权
标题翻译：高压泵送装置
公开(公告)号：US06354272B1
公开(公告)日：2002-03-12
申请号：US09354439
申请日：1999-07-16
申请人： Marcello Cristiani , Massimo Lolli
发明人： Marcello Cristiani , Massimo Lolli
IPC分类号： F02M4100
CPC分类号： F02M59/442 , F02M37/0052 , F02M55/00 , F02M59/366 , F02M63/0225
摘要： A high pressure pumping device having a body provided with a cylindrical seat and a piston mounted in an axially sliding manner in the seat in order to form a variable volume pumping chamber; the chamber being in communication with an intake duct, via which it is supplied with a fluid, and with a delivery duct along which there is disposed a one-way non-return valve in order to allow the fluid to flow from the pumping chamber along this delivery duct; the pumping device further comprising an electrovalve whose opening and closing is controlled, disposed along the intake duct in order to enable the fluid to flow from and to the pumping chamber, and a control unit adapted to control the opening of the electrovalve in order to cause a controlled quantity of fluid to flow back from the chamber to the intake duct, enabling the regulation of the quantity of fluid pumped, at high pressure, along the delivery duct.
摘要翻译：一种高压泵送装置，其具有设置有圆柱形座椅的主体和以轴向滑动方式安装在座椅中以便形成可变容积泵送室的活塞; 该室与进气管道连通，通过该进气管道供应流体，并且具有输送管道，沿着该输送管道设置有单向止回阀，以允许流体从泵送室沿着流动该输送管道; 所述泵送装置还包括电动阀，所述电阀的开闭被控制，沿所述进气管道设置，以使流体能够从所述泵送室流出;以及控制单元，其适于控制所述电阀的打开以便引起控制量的流体从腔室返回到进气管道，使得能够调节沿着输送管道在高压下泵送的流体的量。

5. 发明授权

US4971291A Electromagnetic fuel metering and atomizing valve 失效
标题翻译：电磁燃料计量和雾化阀
公开(公告)号：US4971291A
公开(公告)日：1990-11-20
申请号：US513052
申请日：1990-04-10
申请人： Marcello Cristiani , Massimo Lolli
发明人： Marcello Cristiani , Massimo Lolli
IPC分类号： F02M51/06 , F02M51/08 , F02M53/04
CPC分类号： F02M53/04 , F02M51/0667 , F02M51/0678 , F02M2051/08
摘要： The present invention is a valve comprising a cylindrical supporting body having a first axial cavity housing an electromagnet and a core, and an axial hole communicating with the cavity and housing an anchor integral with a mobile plugging member; and a nozzle secured to the supporting body and in which is formed a fuel outlet hole controlled by the aforementioned plugging member. The supporting body presents a first and second series of holes designed to enable external communication, through the lateral surface of the supporting body, of the axial hole formed inside the body itself; the holes in one series being separated from those of the other in the direction of the body axis. The present invention provides for efficient metering and atomizing performance under all operating conditions.

6. 发明申请

US20080156906A1 Electromagnetic fuel injector for a direct injection internal combustion engine 有权
标题翻译：用于直喷式内燃机的电磁燃油喷射器
公开(公告)号：US20080156906A1
公开(公告)日：2008-07-03
申请号：US12001998
申请日：2007-12-12
申请人： Luca Cagnolati , Massimo Mattioli , Marcello Cristiani
发明人： Luca Cagnolati , Massimo Mattioli , Marcello Cristiani
IPC分类号： F02M51/06 , H01F7/06 , B29C45/14
CPC分类号： F02M51/0614 , F02M51/0671 , F02M61/188 , Y10S239/19 , Y10S239/90 , Y10T29/4902
摘要： An embodiment of a fuel injector comprising: an injection valve provided with a mobile needle for regulating the fuel flow through an injection nozzle; a supporting body having a tubular shaft and displaying a feeding channel which ends with the injection valve; and an electromagnetic actuator comprising a spring which tends to maintain the needle in a closing position and an electromagnet, which comprises a coil arranged outside the supporting body, a fixed magnetic armature arranged within the supporting body, and a keeper which is arranged within the supporting body, is magnetically attracted by the magnetic armature against the bias of the spring, and is mechanically connected to the needle; the coil displaying a toroidal shape having an internal annular surface, which is directly in contact with an external surface of the supporting body without the interposition of any intermediate element.
摘要翻译：一种燃料喷射器的实施例，包括：喷射阀，其设置有用于调节通过喷嘴的燃料流的移动针; 支撑体，其具有管状轴并且显示与所述喷射阀结合的供给通道; 以及电磁致动器，其包括倾向于将针保持在关闭位置的弹簧和电磁体，其包括布置在支撑体外部的线圈，布置在支撑体内的固定磁性衔铁，以及配置在支撑体内的保持器主体被磁性衔铁抵抗弹簧的偏压磁吸引，并机械地连接到针上; 该线圈显示具有内部环形表面的环形形状，其直接与支撑体的外表面接触而不插入任何中间元件。

7. 发明授权

US07546961B2 Fuel injector with electromagnetic actuator 有权
标题翻译：带电磁执行器的燃油喷射器
公开(公告)号：US07546961B2
公开(公告)日：2009-06-16
申请号：US11414717
申请日：2006-04-28
申请人： Marcello Cristiani , Paolo Pasquali
发明人： Marcello Cristiani , Paolo Pasquali
IPC分类号： F02M51/00
CPC分类号： F02M61/12 , F02M51/0671 , F02M61/08 , F02M61/162 , F02M61/168 , F02M61/18
摘要： A fuel injector equipped with an injection valve comprising a mobile plunger ending with a sealing head; a support body having a tubular shape and comprising a feed channel; and a sealing body, in which is defined a valve seat of the injection valve; the sealing head is of a frustoconical shape, is arranged externally relative to the guide element, is thrust by a spring against said guide element in a direction contrary to the direction of feed of the fuel; the valve seat has a frustoconical shape which is a negative reproduction of the frustoconical shape of the sealing head in order to impart an internally hollow conical shape to the injected fuel.
摘要翻译：一种配备有注射阀的燃料喷射器，包括以密封头为末端的活动柱塞; 具有管状形状并包括进料通道的支撑体; 以及密封体，其中限定了所述喷射阀的阀座; 密封头具有截头圆锥形形状，相对于引导元件布置在外部，在与所述燃料的进给方向相反的方向上被弹簧推靠在所述引导元件上; 阀座具有截头圆锥形状，其是密封头的截头圆锥形状的负再现，以便向注入的燃料赋予内部中空的圆锥形形状。

8. 发明申请

US20070001033A1 Fuel injector 失效
公开(公告)号：US20070001033A1
公开(公告)日：2007-01-04
申请号：US11454767
申请日：2006-06-16
申请人： Paolo Pasquali , Luigi Gagliardi , Marcello Cristiani
发明人： Paolo Pasquali , Luigi Gagliardi , Marcello Cristiani
IPC分类号： F02M51/00
CPC分类号： F02M61/161 , F02M51/06 , F02M51/0653 , F02M51/0671 , F02M61/08
摘要： A fuel injector has an injection valve having a movable pin terminating with a shutter head; a tubular supporting body having a feed channel; and a sealing body, in which a valve seat of the injection valve is defined; the shutter head is truncated-cone-shaped, is located outside the sealing body, and, in a closed position, is pushed against the sealing body in the opposite direction to the fuel feed direction; the pin has a stop member, which is integral with the pin and comes to rest on a top surface of the sealing body, when the pin is in the open position opening the injection valve, so as to determine travel of the pin.

9. 发明授权

US07204434B2 Fuel injector 失效
标题翻译：喷油器
公开(公告)号：US07204434B2
公开(公告)日：2007-04-17
申请号：US11454767
申请日：2006-06-16
申请人： Paolo Pasquali , Luigi Gagliardi , Marcello Cristiani
发明人： Paolo Pasquali , Luigi Gagliardi , Marcello Cristiani
IPC分类号： F02M51/00
CPC分类号： F02M61/161 , F02M51/06 , F02M51/0653 , F02M51/0671 , F02M61/08
摘要： A fuel injector has an injection valve having a movable pin terminating with a shutter head; a tubular supporting body having a feed channel; and a sealing body, in which a valve seat of the injection valve is defined; the shutter head is truncated-cone-shaped, is located outside the sealing body, and, in a closed position, is pushed against the sealing body in the opposite direction to the fuel feed direction; the pin has a stop member, which is integral with the pin and comes to rest on a top surface of the sealing body, when the pin is in the open position opening the injection valve, so as to determine travel of the pin.
摘要翻译：燃料喷射器具有喷射阀，该喷射阀具有终止于快门头的可动销; 具有进料通道的管状支撑体; 以及密封体，其中限定了所述喷射阀的阀座; 快门头是截锥形的，位于密封体外部，并且在关闭位置沿与燃料供给方向相反的方向被推靠在密封体上; 销具有止动构件，该销与销成一体，并且当销处于打开位置以打开所述注射阀时停止在所述密封体的顶表面上，以便确定所述销的行程。

10. 发明申请

US20060255185A1 Fuel injector with electromagnetic actuator 有权
公开(公告)号：US20060255185A1
公开(公告)日：2006-11-16
申请号：US11414717
申请日：2006-04-28
申请人： Marcello Cristiani , Paolo Pasquali
发明人： Marcello Cristiani , Paolo Pasquali
IPC分类号： F02M61/08
CPC分类号： F02M61/12 , F02M51/0671 , F02M61/08 , F02M61/162 , F02M61/168 , F02M61/18
摘要： A fuel injector equipped with an injection valve comprising a mobile plunger ending with a sealing head; a support body having a tubular shape and comprising a feed channel; and a sealing body, in which is defined a valve seat of the injection valve; the sealing head is of a frustoconical shape, is arranged externally relative to the guide element, is thrust by a spring against said guide element in a direction contrary to the direction of feed of the fuel; the valve seat has a frustoconical shape which is a negative reproduction of the frustoconical shape of the sealing head in order to impart an internally hollow conical shape to the injected fuel.

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