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1. 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。

2. 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。

3. 发明授权

US07506827B2 Fuel injector with an antirebound device 失效
标题翻译：燃油喷射器带有一个反引导装置
公开(公告)号：US07506827B2
公开(公告)日：2009-03-24
申请号：US10546063
申请日：2004-02-20
申请人： Michele Petrone , Luca Cagnolati , Luca Mancini , Marcello Cristiani , Mauro Venturoli
发明人： Michele Petrone , Luca Cagnolati , Luca Mancini , Marcello Cristiani , Mauro Venturoli
IPC分类号： F02M51/00
CPC分类号： F02M51/0671 , F02M55/004 , F02M61/162 , F02M2200/306
摘要： A fuel injector (1) having an injection valve (7) with a movable pin (15); and an actuator (5) for moving the pin (15) between a closed position and an open position; the actuator (5) has a movable armature (10), and an antirebound device (20) interposed between the movable armature (10) and the pin (15) to connect the movable armature (10) and the pin (15) mechanically; the antirebound device (20) has a deformable elastic plate (32; 45; 48) which is annular in shape, is connected centrally to the pin (15), and is connected laterally to the armature (10) to transmit at least the closing movement of the injection valve (7) from the armature 15 (10) to the pin (15).
摘要翻译：一种燃料喷射器（1），其具有带有可动销（15）的喷射阀（7）。以及用于使销（15）在关闭位置和打开位置之间移动的致动器（5）所述致动器（5）具有可移动衔铁（10）和插入在所述可移动衔铁（10）和所述销（15）之间的机械地连接所述可动电枢（10）和所述销（15）的反向引导装置（20）所述反引导装置（20）具有环形形状的可变形弹性板（32; 45; 48），其中心连接到所述销（15），并且横向连接到所述电枢（10）以至少传递所述闭合注射阀（7）从电枢15（10）移动到销（15）。

4. 发明申请

US20060192035A1 Fuel injector with an antirebound device 失效
标题翻译：燃油喷射器带有一个反引导装置
公开(公告)号：US20060192035A1
公开(公告)日：2006-08-31
申请号：US10546063
申请日：2004-02-20
申请人： Michele Petrone , Luca Cagnolati , Luca Mancini , Marcello Cristiani , Mauro Venturoli
发明人： Michele Petrone , Luca Cagnolati , Luca Mancini , Marcello Cristiani , Mauro Venturoli
IPC分类号： F02M51/00
CPC分类号： F02M51/0671 , F02M55/004 , F02M61/162 , F02M2200/306
摘要： A fuel injector (1) having an injection valve (7) with a movable pin (15); and an actuator (5) for moving the pin (15) between a closed position and an open position; the actuator (5) has a movable armature (10), and an antirebound device (20) interposed between the movable armature (10) and the pin (15) to connect the movable armature (10) and the pin (15) mechanically; the antirebound device (20) has a deformable elastic plate (32; 45; 48) which is annular in shape, is connected centrally to the pin (15), and is connected laterally to the armature (10) to transmit at least the closing movement of the injection valve (7) from the armature 15 (10) to the pin (15).
摘要翻译：一种燃料喷射器（1），其具有带有可动销（15）的喷射阀（7）。以及用于使销（15）在关闭位置和打开位置之间移动的致动器（5）所述致动器（5）具有可移动衔铁（10）和插入在所述可移动衔铁（10）和所述销（15）之间的机械地连接所述可动电枢（10）和所述销（15）的反向引导装置（20）所述反引导装置（20）具有环形形状的可变形弹性板（32; 45; 48），其中心连接到所述销（15），并且横向连接到所述电枢（10）以至少传递所述闭合注射阀（7）从电枢15（10）移动到销（15）。

5. 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。

6. 发明授权

US06467441B2 Electromagnetic actuator for the actuation of the valves of an internal combustion engine 失效
标题翻译：用于致动内燃机的阀的电磁致动器
公开(公告)号：US06467441B2
公开(公告)日：2002-10-22
申请号：US09887948
申请日：2001-06-22
申请人： Marcello Cristiani , Massimo Marchioni , Nicola Morelli
发明人： Marcello Cristiani , Massimo Marchioni , Nicola Morelli
IPC分类号： F01L904
CPC分类号： F01L9/04 , F01L2009/0409 , H01F7/081 , H01F7/145
摘要： An electromagnetic actuator for the actuation of the intake or exhaust valves of an internal combustion engine in which an oscillating arm has a first end hinged on a support frame secured to the engine head and a second end in abutment on the upper end of the stem of the intake or exhaust valve; two electromagnets being provided in order to move, on command, the oscillating arm in order axially to displace the valve between a closed position and a position of maximum opening, the oscillating arm comprising a central plate positioned in the space between the polar heads of the two electromagnets, a cylindrical tubular member rigid with a lateral edge of the central plate and a projection extending in a projecting manner from the central plate on the side opposite the cylindrical tubular member, the central plate being formed by a pack of sheets of ferromagnetic material stacked on one another and seam welded on the outer lateral surface of the cylindrical tubular member and by a stiffening rib welded to the pack of sheets on the side opposite the cylindrical tubular member.
摘要翻译：一种用于致动内燃机的进气门或排气门的电磁致动器，其中摆动臂具有铰链在固定到发动机头上的支撑框架上的第一端，并且第二端邻接在杆的上端进气阀或排气阀; 提供两个电磁体，以便根据命令移动摆动臂以轴向移动以在闭合位置和最大开口位置之间移动阀，所述摆动臂包括定位在第二极性极性头部之间的空间中的中心板两个电磁体，具有中心板的侧边缘刚性的圆柱形管状构件和从中心板在与圆柱形管状构件相对的一侧以突出方式延伸的突起，该中心板由一堆铁磁材料片形成彼此堆叠并且缝合在圆柱形管状构件的外侧表面上并且通过焊接到与圆柱形管状构件相对的一侧上的片材组的加强肋。

7. 发明授权

US06427649B1 Electromagnetic actuator of an improved type for controlling the valves of an internal-combustion engine 失效
标题翻译：用于控制内燃机的阀的改进型的电磁致动器
公开(公告)号：US06427649B1
公开(公告)日：2002-08-06
申请号：US09666336
申请日：2000-09-21
申请人： Marcello Cristiani , Domenico Cannone , Massimo Marchioni
发明人： Marcello Cristiani , Domenico Cannone , Massimo Marchioni
IPC分类号： F01L904
CPC分类号： F01L9/04 , F01L2009/0409
摘要： Electromagnetic actuator of an improved type for controlling the valves for induction or exhaust of an internal-combustion engine, wherein an oscillating arm has a first end which is pivoted on a support frame which is secured to the head of the engine, and a second end which abuts the upper end of the stem of the valve for induction or exhaust; two electromagnets being provided to move the oscillating arm by command, such as to displace the said valve axially, between a position of closure and a position of maximum opening; the frame being pivoted on the head of the engine, such as being able to rotate around an axis of rotation, which is perpendicular to the axis of movement of the valve for induction or exhaust, and the electromagnetic actuator also being provided with a device to regulate the position of the frame relative to the head, which device can rotate the said frame by command around the said axis of rotation, such as to be able to maintain at a pre-determined value the mechanical play which exists between the second end of the oscillating arm, and the upper end of the stem of the valve.
摘要翻译：一种用于控制用于内燃机的感应或排气的阀的改进型的电磁致动器，其中摆动臂具有第一端，该第一端在固定到发动机的头部的支撑框架上枢转，第二端其邻接用于感应或排气的阀杆的上端; 两个电磁铁被提供以通过命令来移动摆动臂，例如在所述闭合位置和最大开口位置之间轴向移动所述阀; 框架在发动机的头部上枢转，例如能够围绕垂直于用于感应或排气的阀的运动轴线的旋转轴线旋转，并且电磁致动器还设置有设备调节框架相对于头部的位置，该装置可以围绕所述旋转轴线通过命令旋转所述框架，以便能够将预定值保持在第二端之间存在的机械游隙摆动臂和阀杆的上端。

8. 发明授权

US08496192B2 Outward opening fuel injector 有权
标题翻译：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
申请人： Luca Mancini , Michele Petrone , Marcello Cristiani
发明人： Luca Mancini , Michele Petrone , Marcello Cristiani
IPC分类号： F02M63/00 , F02M61/08 , F02M61/20
CPC分类号： F02M51/0653 , F02B1/08 , F02M51/0621 , F02M61/08 , F02M61/12 , F02M61/161 , F02M61/162 , F02M61/205 , F02M63/0019 , F02M63/0021 , F02M63/0075 , F02M2200/16 , F02M2200/26 , F02M2200/8092
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。

9. 发明授权

US06286770B1 Fuel injection of an improved type 有权
标题翻译：改进型燃油喷射器
公开(公告)号：US06286770B1
公开(公告)日：2001-09-11
申请号：US09670409
申请日：2000-09-26
申请人： Maurizio Boaro , Marcello Cristiani , Massimo Neretti
发明人： Maurizio Boaro , Marcello Cristiani , Massimo Neretti
IPC分类号： B05B130
CPC分类号： F02M51/0667 , F02M2200/306
摘要： Fuel injector, comprising a main tubular body, provided with at least one through pipe which ends in a spray nozzle which can spray the fuel present inside the through pipe, and a shutter unit, which is mobile axially inside the through pipe, from and towards a position of closure, in which the shutter unit itself abuts a sealing surface provided on the spray nozzle, and seals it in a fluid-tight manner; the shutter unit being made of a cup-type body, the base of which is defined by a sealing disc made of flexible material, on which there are provided an annular sealing projection and an annular stop projection, which is co-axial relative to the former; the annular stop projection having a height which is lower than the annular sealing projection, such as to abut the sealing surface of the spray nozzle only temporarily, subject to resilient deformation of the sealing disc itself.
摘要翻译：燃料喷射器，包括主管体，其设置有至少一个贯通管，末端在可喷射存在于通管内的燃料的喷嘴中，以及可沿轴向移动穿过管内的活门单元，闭合位置，其中快门单元本身邻接设置在喷嘴上的密封表面，并以流体密封的方式密封; 快门单元由杯形体制成，其基部由柔性材料制成的密封盘限定，其上设置有环形密封突起和环形止动突起，所述环形密封突起和环形止动突起相对于前任的; 该环形止动突起具有比环形密封突起低的高度，仅临时地抵接喷嘴的密封表面，受到密封盘本身的弹性变形。

10. 发明授权

US06182620B2 Internal combustion engine with electromagnetically actuated valves 失效
标题翻译：具有电磁阀的内燃机
公开(公告)号：US06182620B2
公开(公告)日：2001-02-06
申请号：US09409880
申请日：1999-10-01
申请人： Marcello Cristiani , Andrea Davitti , Carlo Orlandi
发明人： Marcello Cristiani , Andrea Davitti , Carlo Orlandi
IPC分类号： F01L904
CPC分类号： F01L9/026 , F01L9/04
摘要： An internal combustion engine with electromagnetically actuated valves comprising a variable volume combustion chamber, at least one suction duct connecting the combustion chamber with the suction manifold of the engine and at least one exhaust duct connecting the combustion chamber with the exhaust manifold of the engine, the internal combustion engine further comprising, for each suction and exhaust duct, a respective mushroom valve that can move from and to a closed position in which it closes the duct and an electromagnetic actuator adapted on command to move the valve to and from the closed position, the internal combustion engine further comprising, for at least one of the valves, a device for balancing the pressures exerted on the head of the valve and adapted to balance the pressure forces that tend to oppose the opening of this valve.
摘要翻译：一种具有电磁致动阀的内燃机，包括可变体积燃烧室，将燃烧室与发动机的吸入歧管连接的至少一个吸气管道和连接燃烧室与发动机的排气歧管的至少一个排气管道，内燃机还包括用于每个吸入和排出管道的相应的蘑菇阀，其能够从其关闭管道的关闭位置移动，以及适于根据命令将阀门移动到关闭位置和从关闭位置移动的电磁致动器，所述内燃机还包括用于至少一个所述阀的装置，用于平衡施加在所述阀头上的压力并适于平衡倾向于与所述阀的开口相对的压力。

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