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1. 发明申请

WO2018178501A1 A HIGH PRESSURE FUEL PUMP ASSEMBLY FOR AN INTERNAL COMBUSTION PISTON ENGINE 审中-公开
公开(公告)号：WO2018178501A1
公开(公告)日：2018-10-04
申请号：PCT/FI2017/050217
申请日：2017-03-29
申请人： WÄRTSILÄ FINLAND OY
发明人： LAAKSO, Ossi , VUOHIJOKI, Antti , EKLUND, Kjell , JAY, David C.
IPC分类号： F02M59/44 , F04B1/04 , F04B53/00 , F04B53/18 , F02M63/00 , F02M59/10
摘要： Invention relates to a high pressure fuel pump assembly (100) comprising a number of piston pump units (10) driven by a drive shaft (110) of the pump assembly (100), a drive shaft lubrication system (114) and pump unit lubrication system (116), and at least one inlet (115) for pressurized lubricant, where the pump assembly (100) is provided with a first collector conduit (120) configured to receive lubricant from the pump unit lubrication system (116) and a second collector conduit (122) configured to receive leak fuel from the piston pump units, and a third collector conduit configured to receive fuel mist from the piston pump units.

2. 发明申请

WO2017125640A1 MOUNTING ARRANGEMENT AND METHOD FOR CONNECTING A SENSOR 审中-公开
标题翻译：安装布置和连接传感器的方法
公开(公告)号：WO2017125640A1
公开(公告)日：2017-07-27
申请号：PCT/FI2016/050028
申请日：2016-01-21
申请人： WÄRTSILÄ FINLAND OY
发明人： VUOHIJOKI, Antti , EKLUND, Kjell , LAAKSO, Ossi
IPC分类号： F02M57/00 , G01D11/30
CPC分类号： F02M57/005 , F02M2200/24 , G01D11/30
摘要： The mounting arrangement for connecting a sensor (1) to a component (4) of a fuel injection system comprises a sensor (1) comprising a portion (5) with an external thread, an inner mounting sleeve (2) arranged around the sensor (1) and comprising a portion (6) with an internal thread that can be engaged with the external thread of the sensor (1) and a shoulder (7) on an outer perimeter of the inner mounting sleeve (2), and an outer mounting sleeve (3) arranged around the inner mounting sleeve (2) and comprising a shoulder (8) on an inner perimeter of the outer mounting sleeve (3) configured to be engaged with the shoulder (7) of the inner mounting sleeve (2) and a portion (9) with an external thread for engaging the outer mounting sleeve (3) with an internal thread (10) of the component (4) of the fuel injection system.
摘要翻译：用于将传感器（1）连接到燃料喷射系统的部件（4）的安装装置包括传感器（1），该传感器包括具有外螺纹的部分（5），内安装套筒（1）周围布置并且包括具有能够与传感器（1）的外螺纹啮合的内螺纹的部分（6）和位于内部安装套筒（1）的外周边上的肩部（7）（2）以及布置在所述内部安装套筒（2）周围的外部安装套筒（3），并且所述外部安装套筒包括在所述外部安装套筒（3）的内周边上的肩部（8），所述肩部被构造成与所述肩部（7）（2）的内螺纹（10）和具有外螺纹的部分（9），用于将外安装套筒（3）与燃料喷射系统的部件（4）的内螺纹（10）接合。

3. 发明申请

WO2008145818A2 FUEL STORAGE IN A FUEL FEED SYSTEM 审中-公开
标题翻译：燃料进料系统中的燃料储存
公开(公告)号：WO2008145818A2
公开(公告)日：2008-12-04
申请号：PCT/FI2008/050307
申请日：2008-05-27
申请人： WÄRTSILÄ FINLAND OY , EKLUND, Kjell
发明人： EKLUND, Kjell
IPC分类号： F02M55/02
CPC分类号： F02M55/025 , F02M63/0225
摘要： A fuel storage (12) in a fuel feed system of a piston engine comprising a body (20) defining a fuel space (21) for pressurised fuel, and at least one channel (22) that opens into the fuel space (21). At the orifice (25) of the channel (22) there is a trough-shaped recess (24, 24'), which extends only over a portion of the length of the fuel space (21).
摘要翻译：一种活塞式发动机的燃料供给系统中的燃料储存器（12），包括限定用于加压燃料的燃料空间（21）的本体（20）和通向所述燃料空间（21）的至少一个通道（22）。在通道（22）的孔口（25）处，存在仅在燃料空间（21）的长度的一部分上延伸的槽形凹部（24,24'）。

4. 发明申请

WO2019145593A1 FUEL INJECTION ARRANGEMENT AND METHOD OF OPERATING PISTON ENGINE 审中-公开
公开(公告)号：WO2019145593A1
公开(公告)日：2019-08-01
申请号：PCT/FI2018/050052
申请日：2018-01-23
申请人： WÄRTSILÄ FINLAND OY
发明人： CAFARI, Alberto , EKLUND, Kjell , ENGSTRÖM, Jesper , GRÖNLUND, Fredrik , SEPPÄ, Jussi
IPC分类号： F02M45/08 , F02B31/08 , F02M61/18 , F02B23/06 , F02B23/10 , F02D41/30 , F02M61/14
摘要： The fuel injection arrangement for a cylinder (33) of a four- stroke piston engine comprises a first fuel injection nozzle (3) and a second fuel injection nozzle (4), the total cross- sectional area of the nozzle holes (4a) of the second noz- zle (4) being greater than the total cross-sectional area of the nozzle holes (3a) of the first nozzle (3), the nozzle holes (3a) of the first nozzle (3) being arranged so that a greater part of the fuel injected through the first nozzle (3) is injected towards an exhaust valve side (26) than to- wards an intake valve side (25) of the cylinder (33), and the nozzle holes (4a) of the second nozzle (4) being ar- ranged so that a greater part of the fuel injected through the second nozzle (4) is injected towards the intake valve side (25) than towards the exhaust valve side (26).

5. 发明申请

WO2018178500A1 A FUEL PUMP FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION PISTON ENGINE 审中-公开
公开(公告)号：WO2018178500A1
公开(公告)日：2018-10-04
申请号：PCT/FI2017/050216
申请日：2017-03-29
申请人： WÄRTSILÄ FINLAND OY
发明人： VUOHIJOKI, Antti , LAAKSO, Ossi , EKLUND, Kjell
IPC分类号： F02M59/44 , F02M55/00 , F02M63/00 , F04B39/02 , F04B53/18 , F02M59/10 , F04B1/04
摘要： Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body (18) having a central axis (32) a piston member (28) arranged to reciprocate in the cylindrical space (30), wherein the space (30) is bordered by a first end (28') of the piston member (28) forming a first pumping chamber (16) of the pump (10) configured to pump the fuel as the piston member (28) reciprocates in the space (30), and wherein cylindrical space (30) comprises a first space section (30') having a first diameter (D1) and a second space section (30'') having a second diameter (D2) greater than the first diameter (D1). The second space section (30'') is provided with a second pumping chamber (16') of the fuel pump (10) configured to pump fuel material entered via the first sealing gap (34) into the second space section (30''), as the piston reciprocates in the space (30), and the pump (10) is provided with a vent flow path (36) connecting the second pumping chamber (16') to outside of the body (18) for allowing gas admission into the second pumping chamber (16') and a discharge flow path (38) connecting the second pumping chamber (16') of the second space section (30'') to outside of the body (18) for transferring fuel material entered into the second pumping chamber (16') of second space section (30''), away from second pumping chamber (16').

6. 发明申请

WO2012107633A2 FUEL INJECTION SYSTEM 审中-公开
标题翻译：燃油喷射系统
公开(公告)号：WO2012107633A2
公开(公告)日：2012-08-16
申请号：PCT/FI2012/050059
申请日：2012-01-24
申请人： WÄRTSILÄ FINLAND OY , EKLUND, Kjell , TROBERG, Mikael , WINTERSTELLER, Anton , VOUTILAINEN, Vesa
发明人： EKLUND, Kjell , TROBERG, Mikael , WINTERSTELLER, Anton , VOUTILAINEN, Vesa
CPC分类号： F02M55/002 , F02M37/0017 , F02M37/0047 , F02M37/0052 , F02M47/027 , F02M55/005 , F02M55/02 , F02M55/025 , F02M55/04 , F02M63/005 , F02M63/0052 , F02M63/025 , F02M65/006 , F02M2200/315 , F02M2200/40 , F02M2700/05
摘要： A fuel injection system (1) for a reciprocating engine, comprising injectors (6) for injecting pressurized fuel into the cylinders (13) of the engine, a high pressure pump (5) for pressurizing fuel to be injected, a supply pipe (7) for feeding fuel from the high pressure pump (5) toward the injectors (6)and feed pipes (8) for feeding fuel from the supply pipe (7) to the injectors (6). The first ends of the feed pipes (7) are connected to the injectors(6) and the second ends to the supply pipe (7). Each fuel injector (6) is provided with a pressure accumulator (14).
摘要翻译：一种用于往复式发动机的燃料喷射系统（1），包括用于将加压燃料喷射到发动机气缸（13）中的喷射器（6），用于对要喷射的燃料加压的高压泵（5），供应管）将来自高压泵（5）的燃料供给到喷射器（6）和用于将燃料从供给管（7）供给到喷射器（6）的供给管（8）。进料管（7）的第一端连接到喷油器（6），第二端连接到供油管（7）。每个燃料喷射器（6）设置有蓄压器（14）。

7. 发明申请

WO2023066440A1 A CONNECTING ROD AND A PISTON FOR A HIGH-PRESSURE PISTON PUMP, AND A HIGH-PRESSURE PISTON PUMP FOR PUMPING FUEL 审中-公开
公开(公告)号：WO2023066440A1
公开(公告)日：2023-04-27
申请号：PCT/EP2021/078780
申请日：2021-10-18
申请人： WÄRTSILÄ FINLAND OY
发明人： EKLUND, Kjell , HALLA-AHO, Pasi , C. JAY, David , ISTOLAHTI, Jaakko , VUOHIJOKI, Antti , KARHINEN, Heikki
IPC分类号： F02M59/10 , F02M59/44 , F16J1/10
摘要： Invention relates to a connecting rod (10) for a high-pressure piston pump, comprising a crank pin end (12), and a piston end (14), in which the piston end (14) of the connecting rod (10) comprises a piston pin arrangement (18) configured to the connecting rod (10), and extending at opposite sides of the connecting rod (10) transversely to longitudinal direction of the connecting rod (10), and - the piston pin arrangement (18) comprises at least two curved bearing surfaces (20,22), a first bearing surface (20) and a second bearing surface (22), having a common center of curvature (24), wherein the first bearing surface (20) is facing away from the crank pin end (12) of the connecting rod (10) and the second bearing surface (22) is facing towards the crank pin end (12) of the connecting rod (10), - the first bearing surface (20) has a first radius of curvature (R1) and the second bearing surface (22) has a second radius of curvature (R2), the first radius of curvature (R1) being greater than the second radius of curvature (R2). Invention relates also to piston for a high-pressure piston pump compatible with the connecting rod (10) and a high-pressure piston pump comprising the connecting rod (10) and the piston (100).

8. 发明申请

WO2019145592A1 FUEL INJECTION ARRANGEMENT AND METHOD OF OPERATING PISTON ENGINE 审中-公开
公开(公告)号：WO2019145592A1
公开(公告)日：2019-08-01
申请号：PCT/FI2018/050051
申请日：2018-01-23
申请人： WÄRTSILÄ FINLAND OY
发明人： CAFARI, Alberto , EKLUND, Kjell , ENGSTRÖM, Jesper , GRÖNLUND, Fredrik , SEPPÄ, Jussi , JAY, David
IPC分类号： F02M45/08 , F02M61/18 , F02B31/08 , F02B23/10 , F02B23/06 , F02D41/30 , F02M61/14
摘要： The fuel injection arrangement for a cylinder (33) of a four- stroke piston engine comprises a first fuel injection nozzle (3) and a second fuel injection nozzle (4), the total cross- sectional area of the nozzle holes (4a) of the second nozzle (4) being greater than the total cross-sectional area of the nozzle holes (3a) of the first nozzle (3), and the nozzle holes (4a) of the second nozzle (4) being arranged so that a greater part of the fuel injected through the second nozzle (4) is injected towards an intake valve side (25) than towards an exhaust valve side (26) of the cylinder (33).

9. 发明申请

WO2017118776A1 PIPE ASSEMBLY AND METHOD FOR CONNECTING PIPE ASSEMBLY 审中-公开
标题翻译：管组件和用于连接管组件的方法
公开(公告)号：WO2017118776A1
公开(公告)日：2017-07-13
申请号：PCT/FI2016/050006
申请日：2016-01-08
申请人： WÄRTSILÄ FINLAND OY
发明人： GRÖNLUND, Fredrik , EKLUND, Kjell , LAAKSO, Ossi
IPC分类号： F02M55/00 , F02M55/02 , F16L19/02
CPC分类号： F02M55/004 , F02M55/005 , F02M55/02 , F02M2200/02 , F02M2200/16 , F02M2200/18 , F02M2200/26 , F02M2200/8053 , F16L19/061 , F16L2201/20
摘要： The pipe assembly for a high-pressure fluid system comprises a high-pressure pipe (7) for carrying a high- pressure fluid, the high-pressure pipe (7) having a first end and a second end, the first end of the high- pressure pipe (7) being provided with an external sealing surface (11) encircling the first end of the high- pressure pipe (7), and a protector element (12), which is arranged around the first end of the high-pressure pipe (7) for covering the sealing surface (11) and configured to yield for revealing the sealing surface (11) when the protector element (12) is compressed in the longitudinal direction of the high-pressure pipe (7).
摘要翻译：用于高压流体系统的管组件包括用于承载高压流体的高压管（7），高压管（7）具有第一端和第二端（7）的第一端设置有围绕高压管（7）的第一端的外密封表面（11），以及保护元件（12），该保护元件围绕高压管所述高压管（7）的第一端用于覆盖所述密封表面（11）并且构造成在所述保护器元件（12）在所述高压管的纵向方向上被压缩时展现出所述密封表面（11）管道（7）。

10. 发明申请

WO2014001637A1 PIPE CONNECTOR AND FUEL INJECTION SYSTEM 审中-公开
标题翻译：管道连接器和燃油喷射系统
公开(公告)号：WO2014001637A1
公开(公告)日：2014-01-03
申请号：PCT/FI2013/050699
申请日：2013-06-26
申请人： WÄRTSILÄ FINLAND OY
发明人： WINTERSTELLER, Anton , SCIUTO, Giacomo , EKLUND, Kjell , ZUANIGH, Luca , VOUTILAINEN, Vesa
IPC分类号： F02M55/00 , F02M55/02
CPC分类号： F02M55/002 , F02M55/005 , F02M55/02 , F02M2200/16 , F02M2200/18 , F02M2200/28 , F02M2200/40
摘要： A pipe connector (24) comprising a first fitting (25) con- nectable to the first double wall pipe, the first fitting (25) comprising a first portion (45) connectable to the inner flow space and a second portion (46) connectable to the outer flow space of the first double wall pipe, a second fitting (26) connectable to the inner flow space of the second double wall pipe, a third fitting (27) and a leak channel (31) arranged in flow connection with the second portion (46) of the first fitting. The pipe connector is provided with a clo- sure member (34) having a first position, in which flow of fluid from the leak channel (31) to the leakage outlet (32) is prevented, and a second position, in which flow of fluid from the leak channel (31) to the leakage outlet (32) is al- lowed, which closure member (34) is arranged to move from the first position to the second position when fluid pressure in the leak channel (31) rises above a certain lim- it. The pipe connector is also provided with a blocking means (28) for preventing flow of fluid from the outer flow space of the second double wall pipe from passing through the pipe connector (24).
摘要翻译：一种管连接器（24），包括可连接到第一双壁管的第一配件（25），第一配件（25）包括可连接到内部流动空间的第一部分（45）和可连接到第二部分到所述第一双壁管的外部流动空间，可连接到所述第二双壁管的内部流动空间的第二配件（26），与所述第二双壁管流动连接的第三配件（27）和泄漏通道（31）第一配件的第二部分（46）。管连接器设置有具有第一位置的阻塞构件（34），其中防止从泄漏通道（31）到泄漏出口（32）的流体流动，第二位置流动允许从泄漏通道（31）到泄漏出口（32）的流体被设置成当泄漏通道（31）中的流体压力上升时，该闭合构件（34）被布置成从第一位置移动到第二位置一定的限制。管连接器还设置有用于防止流体从第二双壁管的外部流动空间流过管接头（24）的阻塞装置（28）。

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