专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 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。

12. 发明授权

US5328102A 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：US5328102A
公开(公告)日：1994-07-12
申请号：US102489
申请日：1993-08-05
申请人： Rudolf Babitzka , Marcello Cristiani , Gianni Fargnoli
发明人： Rudolf Babitzka , Marcello Cristiani , Gianni Fargnoli
IPC分类号： F02M51/06 , F02M61/16 , B05B1/00
CPC分类号： F02M51/0667 , F02M61/168
摘要： A valve substantially comprising a first tubular body having a wall of substantially constant thickness in which is formed at least a pair of openings; a second annular body incorporating an electromagnet and presenting a pair of radial projections, and a block forming a seat for an electric connecting element connected to the electromagnet, the projections being designed to fit inside the openings in the first body; and a third body defining an axial sleeve designed to fit inside the electromagnet for forming a core, and an annular collar projecting radially from the sleeve and designed to fit inside the wall of the first body.
摘要翻译：一种阀，其基本上包括具有基本上恒定厚度的壁的第一管状体，其中至少形成有一对开口; 包括电磁体并呈现一对径向突起的第二环形体，以及形成用于连接到所述电磁体的电连接元件的座的块，所述突起被设计成装配在所述第一体中的所述开口内; 以及限定轴向套筒的第三主体，所述第三主体被设计成装配在所述电磁体内部以形成芯部;以及环形套环，其从所述套筒径向伸出并设计成配合在所述第一主体的壁内。

13. 发明授权

US4778112A Electromagnetic fuel metering and atomizing valve for a supply device on an internal combustion engine 失效
标题翻译：用于内燃机供油装置的电磁燃料计量和雾化阀
公开(公告)号：US4778112A
公开(公告)日：1988-10-18
申请号：US15973
申请日：1987-02-18
申请人： Roberto De Concini , Marcello Cristiani
发明人： Roberto De Concini , Marcello Cristiani
IPC分类号： F02M51/06 , H01F7/16 , B05B1/30
CPC分类号： F02M51/0625 , F02M51/0653 , F02M51/0678 , H01F7/1607 , H01F7/1638
摘要： A valve having a body inside which slides a plugging member integral with a keeper forming part of a magnetic circuit, which circuit comprises the walls of the aforementioned body, and a core located inside the same. The body presents a bottom wall having a hole through which slides the aforementioned plugging member, and the keeper presents an annular projection located on one side in relation to the aforementioned wall and having an outside diameter greater than that of the aforementioned hole, so as to provide for substantially axial magnetic flow lines between the aforementioned bottom wall and the keeper.
摘要翻译：具有主体的阀，其内部滑动与形成磁路的一部分的保持器一体的堵塞构件，该电路包括上述主体的壁和位于其内的芯。主体具有一个底壁，该底壁具有一个孔，滑动上述堵塞件和保持件，相对于上述壁呈现位于一侧的环形凸起，其外径大于上述孔的外径，从而提供在上述底壁和保持器之间的基本上轴向的磁流线。

14. 发明申请

US20060060674A1 Fuel injector with injection valve provided with side feed 有权
公开(公告)号：US20060060674A1
公开(公告)日：2006-03-23
申请号：US11222225
申请日：2005-09-09
申请人： Marcello Cristiani , Michele Petrone
发明人： Marcello Cristiani , Michele Petrone
IPC分类号： F02M61/10
CPC分类号： F02M61/162 , F02M61/047 , F02M61/12 , F02M61/18 , F02M61/182 , F02M61/1826 , F02M61/188 , Y10S239/90
摘要： A fuel injector provided with an injection valve comprising a mobile plunger; an injection jet having a plurality of first through-holes made starting from a chamber arranged downstream from the injection valve; a supporting body having a tubular shape and comprising a supply channel; and a sealing body, in which a valve seat of the injection valve is defined and the injection jet is provided; the sealing body is monolithic and has a disc-shaped plug member passed through by the injection jet, and a guide member, which rises up from the plug member, is tubular in shape, receives within it the plunger and has an external diameter smaller than the internal diameter of the supply channel, so as to define an external annular channel for the fuel; in the lower part of the guide member there are provided a number of second through-holes which open into the valve seat.

15. 发明授权

US06932284B2 Electromagnetic fuel injector for an internal combustion engine with a monolithic tubular member 失效
标题翻译：具有整体式管状构件的内燃机的电磁燃料喷射器
公开(公告)号：US06932284B2
公开(公告)日：2005-08-23
申请号：US10732810
申请日：2003-12-11
申请人： Marcello Cristiani , Mirco Vignoli
发明人： Marcello Cristiani , Mirco Vignoli
IPC分类号： F02M51/06 , F02M61/16 , B05B1/30
CPC分类号： F02M61/166 , F02M51/0664 , F02M51/0667 , F02M61/16 , Y10S239/90
摘要： An electromagnetic fuel injector for an internal combustion engine, comprising a main body having a central cylindrical cavity adapted to act as a duct for the fuel, a valve which is disposed to close an end of the central cylindrical cavity and is provided with a moving shutter, an electromagnetic actuator which is provided with a coil, a fixed armature, and a moving armature mechanically connected to the shutter and adapted to be magnetically attracted by the fixed armature against the action of a spring, and a monolithic tubular member which is disposed coaxially within the central cylindrical cavity and houses the fixed armature and the moving armature.
摘要翻译：一种用于内燃机的电磁燃料喷射器，包括主体，其具有适于作为燃料管道的中心圆柱形空腔;阀，其设置成封闭中心圆柱形空腔的端部，并设置有活动快门，电磁致动器，其具有线圈，固定电枢和移动电枢，机械地连接到闸门并适于克服弹簧的作用被固定电枢磁力吸引，同轴地设置的整体式管状构件在中心圆柱形腔内，并容纳固定电枢和移动电枢。

16. 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。

17. 发明授权

US5263649A Electromagetically actuated fuel atomising and metering valve of very small dimensions 失效
标题翻译：电动燃料雾化和计量阀尺寸非常小
公开(公告)号：US5263649A
公开(公告)日：1993-11-23
申请号：US959715
申请日：1992-10-13
申请人： Rudolf Babitzka , Marcello Cristiani
发明人： Rudolf Babitzka , Marcello Cristiani
IPC分类号： F02M51/06 , F02M61/16 , F16K31/06 , B05B1/32
CPC分类号： F02M51/0667 , F02M51/0614 , F02M61/168
摘要： The valve substantially comprises a ferromagnet element provided with a flat bottom wall in which is formed an injection orifice, a first annular wall, adapted to house a movable shutter member and at least partially house an armature fixed to the member itself, and a second annular wall coaxial with the first and adapted to house the lower end of a core and a sealing ring interposed between the wall and the core; the valve further includes a tubular casing of sheet metal adapted to contain an electromagnet and the core, and the lower end of the casing overlying at least a part of the wall of the ferromagnet element and being fixed to this by laser welding.

18. 发明授权

US4834295A Fuel atomisation and metering valve for a fuel injection device of an internal combustion engine 失效
标题翻译：用于内燃机的燃料喷射装置的燃料雾化和计量阀
公开(公告)号：US4834295A
公开(公告)日：1989-05-30
申请号：US197709
申请日：1988-05-23
申请人： Marcello Cristiani , Nicola Martoccia
发明人： Marcello Cristiani , Nicola Martoccia
IPC分类号： F02M51/00 , F02M51/06 , F02M61/16 , H01F7/16
CPC分类号： F02M51/005 , F02M51/0614 , F02M51/0678 , F02M61/168 , H01F7/1607
摘要： The valve comprises a casing, a shutter member axially movable within it, a core of magnetic material also disposed within the casing, an armature fixed to the shutter member and an excitation winding disposed within a cavity of annular form defined between the casing, the core and the armature; a predetermined clearance is left between the surfaces which delimit the excitation winding and the surfaces of the said cavity in such a way as to form channels for the passage of fuel to allow this to wash completely over the surfaces which delimit the excitation winding.
摘要翻译：阀包括壳体，在其内可轴向移动的活门构件，还设置在壳体内的磁性材料芯，固定到活门构件的电枢和设置在壳体内的环形形式的空腔内的励磁绕组，芯体和电枢; 在限定激励绕组的表面和所述腔的表面之间留有预定的间隙，以形成用于燃料通过的通道，以允许其在限定激励绕组的表面上完全洗涤。

19. 发明授权

US07980492B2 Outward opening fuel injector 有权
标题翻译：向外打开燃油喷射器
公开(公告)号：US07980492B2
公开(公告)日：2011-07-19
申请号：US12150639
申请日：2008-04-30
申请人： Luca Mancini , Michele Petrone , Marcello Cristiani
发明人： Luca Mancini , Michele Petrone , Marcello Cristiani
IPC分类号： B05B1/30 , F02M51/00 , F02M61/08
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。

20. 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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式