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1. 发明授权

EP1882845B1 Fuel injector for a direct injection internal combustion engine 失效转让
标题翻译：燃油喷射阀的直喷式内燃机
公开(公告)号：EP1882845B1
公开(公告)日：2010-03-17
申请号：EP06425530.0
申请日：2006-07-27
申请人： Magneti Marelli S.p.A.
发明人： Petrone, Michele , Mattioli, Massimo , Lolli, Massimo , Loperfido, Francesco Paolo
IPC分类号： F02M61/20 , F02M61/18 , F02M61/12 , F02M61/16
CPC分类号： F02M61/188 , F02M61/12 , F02M61/162 , F02M61/18 , F02M61/205

2. 发明公开

EP0972933A1 Fuel supply unit for an endothermal engine 有权
标题翻译： KraftstoffversorgungseinheitfürBrennkraftmaschine
公开(公告)号：EP0972933A1
公开(公告)日：2000-01-19
申请号：EP99113854.6
申请日：1999-07-15
申请人： MAGNETI MARELLI S.p.A.
发明人： Cristiani, Marcello , Lolli, Massimo
IPC分类号： F02M59/44 , F02M63/02
CPC分类号： F02M59/442 , F02M37/0052 , F02M63/0225
摘要： A unit (1) for supplying fuel to an endothermal engine (3), the unit comprising a manifold (4) to which injectors (13) are connected in order to supply fuel to the engine (3), a high pressure pumping device (6) which has its output (6m) connected to the manifold (4) and its intake (6a) connected to an extraction pump (10) adapted to transfer fuel from the storage tank (5) to this device (6) and a pressure regulator (11) adapted to regulate the pressure of the fuel supplied to the pumping device (6) by supplying surplus fuel along a bleed duct (12) communicating with the tank (5), the pumping device (6) having at least one piston (18) moving axially within a respective cylinder (17) in order to define a variable volume pumping chamber (19).
The supply unit has a leakage channel (51) provided with a first mouth (51b) communicating with the cylinder (17) below the pumping chamber (19) and a second mouth (51a) communicating with the bleed duct (12), and an ejector (52) disposed in the bleed duct (12) at the location of the second mouth (51a) in order to recall along the leakage channel (51) fuel leaking from the pumping chamber (19) between the piston (18) and the cylinder (17).
摘要翻译：一种用于向吸热发动机（3）供应燃料的单元（1），该单元包括连接注射器（13）的歧管（4），以向发动机（3）供应燃料;高压泵送装置 6），其输出（6m）连接到歧管（4），其入口（6a）连接到适于将燃料从储罐（5）转移到该装置（6）的抽吸泵（10）调节器（11），其适于通过沿着与所述罐（5）连通的排放管道（12）供应剩余燃料来调节供应到所述泵送装置（6）的燃料的压力，所述泵送装置（6）具有至少一个活塞（18）在相应的气缸（17）内轴向移动，以便限定可变体积泵送室（19）。供给单元具有设置有与泵送室（19）下方的气缸（17）连通的第一口（51b）和与排出管（12）连通的第二口（51a）的泄漏通道（51）在第二口（51a）的位置处设置在排放管道（12）中的喷射器（52），以便沿着泄漏通道（51）回收从活塞（18）和活塞（18）之间的泵送室（19）泄漏的燃料气缸（17）。

3. 发明授权

EP2792877B1 Electromagnetic fuel injector with braking device 有权
标题翻译：电磁式燃料喷射阀，其具有一制动装置
公开(公告)号：EP2792877B1
公开(公告)日：2015-10-07
申请号：EP14164844.4
申请日：2014-04-16
申请人： Magneti Marelli S.p.A.
发明人： Petrecchia, Stefano , Lolli, Massimo , Mattioli, Massimo , Vezzani, Enrico , De Vita, Daniele
IPC分类号： F02M51/06 , F02M61/18 , F16K15/16 , F02M61/20
CPC分类号： F02M61/20 , B05B15/40 , F02M1/14 , F02M51/061 , F02M51/0614 , F02M51/0621 , F02M51/0671 , F02M61/188 , F02M2200/26 , F02M2200/304 , F16K15/16 , Y10S239/90
摘要： A fuel injector (1) provided with an injection nozzle (3); an injection valve (7), which has a movable needle (17) to adjust the flow of fuel through the injection nozzle (3); and an electromagnetic actuator (6), which is adapted to move the needle (17) between a closing position and an opening position of the injection valve (7) and is provided with a movable plunger (9) which is mechanically connected to the needle (17) and has at least one feeding through hole (30) for the passage of fuel towards the injection nozzle (3); the plunger (9) is provided with a braking device (36) of the hydraulic type, which is coupled to the feeding hole (30) and has the function of hydraulically dissipating kinetic energy to slow down the opening stroke of the needle (17) when the needle (17) moves towards the opening position of the injection valve (7).

4. 发明公开

EP2792877A1 Electromagnetic fuel injector with braking device 有权
标题翻译： Elektromagnetisches Kraftstoffeinspritzventil mit Bremsvorrichtung
公开(公告)号：EP2792877A1
公开(公告)日：2014-10-22
申请号：EP14164844.4
申请日：2014-04-16
申请人： Magneti Marelli S.p.A.
发明人： Petrecchia, Stefano , Lolli, Massimo , Mattioli, Massimo , Vezzani, Enrico , De Vita, Daniele
IPC分类号： F02M51/06 , F02M61/18 , F16K15/16
CPC分类号： F02M61/20 , B05B15/40 , F02M1/14 , F02M51/061 , F02M51/0614 , F02M51/0621 , F02M51/0671 , F02M61/188 , F02M2200/26 , F02M2200/304 , F16K15/16 , Y10S239/90
摘要： A fuel injector (1) provided with an injection nozzle (3); an injection valve (7), which has a movable needle (17) to adjust the flow of fuel through the injection nozzle (3); and an electromagnetic actuator (6), which is adapted to move the needle (17) between a closing position and an opening position of the injection valve (7) and is provided with a movable plunger (9) which is mechanically connected to the needle (17) and has at least one feeding through hole (30) for the passage of fuel towards the injection nozzle (3); the plunger (9) is provided with a braking device (36) of the hydraulic type, which is coupled to the feeding hole (30) and has the function of hydraulically dissipating kinetic energy to slow down the opening stroke of the needle (17) when the needle (17) moves towards the opening position of the injection valve (7).
摘要翻译：一种设置有喷嘴（3）的燃料喷射器（1）; 喷射阀（7），其具有用于调节通过喷嘴（3）的燃料流动的可移动针（17）; 以及电磁致动器（6），其适于在所述注射阀（7）的关闭位置和打开位置之间移动所述针（17），并且设置有可移动的柱塞（9），所述可动柱塞机械地连接到所述针（17），并且具有至少一个进给通孔（30），用于使燃料通向喷嘴（3）; 柱塞（9）设置有液压式的制动装置（36），其联接到进给孔（30）并且具有液压驱动动能以减慢针（17）的打开行程的功能，当针（17）朝向喷射阀（7）的打开位置移动时。

5. 发明公开

EP0972935A1 High pressure pumping device 有权
标题翻译： Hochdruckpumpvorrichtung
公开(公告)号：EP0972935A1
公开(公告)日：2000-01-19
申请号：EP99113852.0
申请日：1999-07-15
申请人： MAGNETI MARELLI S.p.A.
发明人： Christiani, Marcello , Lolli, Massimo
IPC分类号： F02M63/02 , F02M59/44 , F02M59/36 , F02M55/00
CPC分类号： F02M59/442 , F02M37/0052 , F02M55/00 , F02M59/366 , F02M63/0225
摘要： A high pressure pumping device (10) having a body (28) provided with a cylindrical seat (29) and a piston (30) mounted in an axially sliding manner in the seat (29) in order to form a variable volume pumping chamber (31); the chamber (31) being in communication with an intake duct (52), via which it is supplied with a fluid, and with a delivery duct (44) along which there is disposed a one-way non-return valve (32) in order to allow the fluid to flow from the pumping chamber (31) along this delivery duct (44); the pumping device (11) further comprising an electrovalve (51) whose opening and closing is controlled, disposed along the intake duct (52) in order to enable the fluid to flow from and to the pumping chamber (31), and a control unit (36) adapted to control the opening of the electrovalve (51) in order to cause a controlled quantity of fluid to flow back from the chamber (31) to the intake duct (52), enabling the regulation of the quantity of fluid pumped, at high pressure, along the delivery duct (44).
摘要翻译：一种高压泵送装置（10），其具有设置有圆柱形座（29）的主体（28）和以轴向滑动方式安装在所述座（29）中的活塞（30），以形成可变容积泵送室 31）; 所述腔室（31）与进气管道（52）连通，通过所述进气管道供应流体，并且具有输送管道（44），所述输送管道沿着所述输送管道设置有单向止回阀（32），所述单向止回阀以便允许流体沿着该输送管道（44）从泵送室（31）流出; 所述泵送装置（11）还包括电动阀（51），其开闭被控制，沿着所述进气管道（52）设置，以使流体能够从所述泵送室（31）流出并且到达所述泵送室（31）;以及控制单元（36），其适于控制所述电阀（51）的打开，以便使受控量的流体从所述腔室（31）流回到所述进气管道（52），使得能够调节泵送的流体的量，在高压下，沿着输送管道（44）。

6. 发明公开

EP0949416A1 Fuel supply arrangement to at least one combustion chamber of an internal combustion engine 审中-公开
标题翻译： Brennstoffzufuhrvrichrichtungfürwenigstens eine Brennkammer einer Brennkraftmaschine
公开(公告)号：EP0949416A1
公开(公告)日：1999-10-13
申请号：EP99106831.3
申请日：1999-04-06
申请人： MAGNETI MARELLI S.p.A.
发明人： Cristiani, Marcello , Lolli, Massimo , Pasquali, Paolo
IPC分类号： F02M63/02
CPC分类号： F02D33/006 , F02M37/0029 , F02M37/0058 , F02M63/0225 , F02M69/54
摘要： Arrangement for the supply (1) of the fuel provided by a fuel manifold (5) to which are connected a plurality of injectors (8) each of which is able to supply on demand a given quantity of fuel to a respective combustion chamber (2); the supply arrangement (1) also being provided with a pump (7) to transfer fuel from the reservoir (6) to the fuel manifold (5), a recirculation duct (10) each connecting together the output (7a) and the intake (7b) of the pump (7), a solenoid valve (12) with controlled opening and closing located along the recirculation duct (10), and a piloting unit able to control the solenoid valve (12) to regulate the flow of fuel along the recirculation duct (10) in such a manner as to control the fuel pressure inside the fuel manifold (5).
摘要翻译：由燃料歧管（5）提供的燃料的供给装置（1），连接多个喷射器（8），每个喷射器能够根据需要向相应的燃烧室（2）提供给定量的燃料）; 供应装置（1）还设置有用于将燃料从储存器（6）传送到燃料歧管（5）的泵（7），每个将输出（7a）和进气口（7a）连接在一起的再循环管道（10）（7）的电磁阀（12），具有沿着再循环管道（10）设置的受控开启和关闭的电磁阀（12），以及能够控制电磁阀（12）以调节沿着燃料流循环管道（10）以控制燃料歧管（5）内的燃料压力的方式。

7. 发明授权

EP0651156B1 An air-assisted single jet injector 失效
标题翻译：一台空气辅助单喷射器
公开(公告)号：EP0651156B1
公开(公告)日：1999-04-28
申请号：EP94116846.0
申请日：1994-10-25
申请人： MAGNETI MARELLI S.p.A.
发明人： Armaroli, Massimo , Consolini, Roberto , Lolli, Massimo
IPC分类号： F02M69/04 , F02M69/08 , F02M51/06 , F02M61/18
CPC分类号： F02M61/1853 , F02M51/0667 , F02M69/047 , F02M69/08

8. 发明公开

EP0651156A1 An air-assisted single jet injector 失效
标题翻译：一台空气辅助单喷射器
公开(公告)号：EP0651156A1
公开(公告)日：1995-05-03
申请号：EP94116846.0
申请日：1994-10-25
申请人： MAGNETI MARELLI S.p.A.
发明人： Armaroli, Massimo , Consolini, Roberto , Lolli, Massimo
IPC分类号： F02M69/04 , F02M69/08 , F02M51/06 , F02M61/18
CPC分类号： F02M61/1853 , F02M51/0667 , F02M69/047 , F02M69/08
摘要： An air-assisted single jet injector (1) in which a valve shutter (11) actuated by an electromagnetic actuator (7) controls the formation of jets of fuel through atomisation orifices (15) formed in a delivery element (5) downstream of which an auxiliary atomisation chamber (21) is arranged, defined internally at least in part by a frusto-conical surface (24b) into which open radial holes (25) for the induction of an auxiliary air flow having respective axes perpendicular to the surface (24b).
摘要翻译：其中由电磁致动器（7）致动的阀门快门（11）的空气辅助单射喷射器（1）控制通过形成在输送元件（5）中的雾化孔（15）形成的燃料射流，布置有辅助雾化室（21），所述辅助雾化室（21）至少部分地由截头圆锥形表面（24b）限定，用于感应具有垂直于所述表面（24b）的相应轴线的辅助气流的敞开的径向孔（25））。

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