专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP4435242A1 INTERNAL COMBUSTION ENGINE 审中-公开
公开(公告)号：EP4435242A1
公开(公告)日：2024-09-25
申请号：EP23163613.5
申请日：2023-03-23
申请人： Winterthur Gas & Diesel Ltd.
发明人： Graziano, Barbara
IPC分类号： F02B25/02 , F01N3/20 , F01N9/00 , F01N11/00 , F02B43/10 , F02B47/06 , F02D19/06 , F02D41/14 , F02M21/02
CPC分类号： F02B25/02 , F02B43/10 , F02B47/06 , F01N3/2066 , F01N9/00 , F01N11/00 , F01N2240/0020130101 , F01N2260/2620130101 , F01N2610/14620130101 , F02D19/0644 , F02M21/0206 , F02D2041/146820130101 , F02D19/024 , F02D19/061 , F02D19/0689
摘要： The present invention is directed to an internal combustion engine (100) having at least one cylinder (10), preferably a large vessel engine with at least one cylinder (10) having an inner diameter (11) of at least 200mm, and to a method for operating an internal combustion engine. A piston (12) is provided in said cylinder (10) for reciprocating between a bottom dead center and a top dead center. The internal combustion engine (100) has a scavenging port (13) formed in said cylinder (10) for supplying scavenging gas into a combustion chamber (14) that is a space enclosed by said cylinder (10) and an upper surface (15) of said piston (12). The internal combustion engine (100) has an exhaust port (16) formed in said cylinder (10) for exhausting gas out of said combustion chamber (14), the exhaust port (16) comprises an exhaust valve (17).
The internal combustion engine comprises at least one dosing unit (18, 18.1, 18.2, 18.3, 18.4) for ejecting a reducing agent, preferably liquid ammonia, into said combustion chamber (14), preferably at least one dosing unit (18) for each cylinder (10). The internal combustion engine (100) comprises a control unit (20) for controlling the dosing unit (18, 18.1, 18.2, 18.3, 18.4), adapted for ejecting a first amount (31) of the reducing agent into said combustion chamber (14) during expansion stroke during a time interval (32) that falls in a time window (33) from when the exhaust valve (17) opens until before supply of said scavenging gas through said scavenging port (13) into said combustion chamber (14) is started.

2. 发明公开

EP4390102A1 INTERNAL COMBUSTION ENGINE 审中-公开转让
公开(公告)号：EP4390102A1
公开(公告)日：2024-06-26
申请号：EP23216604.1
申请日：2023-12-14
申请人： Winterthur Gas & Diesel Ltd.
发明人： Weisser, German , Barro, Christophe , Schmid, Andreas
IPC分类号： F02D19/06 , F02D41/00 , F02D41/30 , F02D41/40 , F02B23/06 , F02B25/02 , F02B69/02 , F02D19/08
CPC分类号： F02D41/0025 , F02D41/3094 , F02D41/403 , F02D2400/0420130101 , F02B69/02 , F02B25/02 , F02B23/0624 , F02B23/0663 , F02D19/08 , F02D19/0692
摘要： The present invention is related to internal combustion engines (100) and to a method for operating an internal combustion engine (100). The internal combustion engine, preferably a large two-stroke internal combustion engine, has at least one cylinder (1), preferably having an inner diameter of at least 200mm, in particular a dual-fuel engine, and has a reciprocating piston. The internal combustion engine (100) comprises at least two main injection nozzles (11, 12, 13), preferably three main injection nozzles (11, 12, 13), for injecting of a fuel unwilling to ignite. The main injection nozzles (11, 12, 13) preferably are arranged equidistantly in circumferential direction. The internal combustion engine (100) comprises at least one pilot injection nozzle (21, 22, 23) for injecting a fuel willing to ignite, preferably the same number of pilot injection nozzles as for the main injection nozzles (11, 12, 13), wherein each pilot injection nozzle is arranged near a corresponding main injection nozzle (11, 12, 13).
The internal combustion engine (100) further comprises a control unit (10) suitable for controlling and/or adapted to control the main injection nozzles (11, 12, 13) and the pilot injection nozzles (21, 22, 23) during a power cycle such that fuel willing to ignite is injected into the combustion chamber (3) via the pilot injection nozzles (21, 22, 23) jointly with a fuel unwilling to ignite via a corresponding main injection nozzle (11, 12, 13), and such that at least one main injection nozzle (11, 12, 13) ejects fuel unwilling to ignite without fuel willing to ignite being introduced into the combustion chamber via a corresponding pilot injection nozzle (21, 22, 23).

3. 发明公开

EP4257812A1 INTERNAL COMBUSTION ENGINE 无效
公开(公告)号：EP4257812A1
公开(公告)日：2023-10-11
申请号：EP22166697.7
申请日：2022-04-05
申请人： Winterthur Gas & Diesel Ltd.
发明人： Bouwstra, Allan
IPC分类号： F02B37/16 , F02D21/08 , F02M26/05 , F02M26/06 , F02M26/10 , F02M26/22 , F02M26/34 , F02M26/36 , F02B33/44 , F02M35/16
摘要： The present invention relates to internal combustion engines comprising a system for exhaust gas recirculation and to methods for running such internal combustion engines.
The internal combustion engine (100), namely a large vessel engine or a stationary engine, comprises at least one cylinder (1) having an inner diameter (2) of at least 200mm. The internal combustion engine (100) comprises a system (10) for exhaust gas recirculation with an EGR path (11) arranged between an exhaust outlet (3) and an air inlet (4) of the cylinder (1). The internal combustion engine (100) comprises a turbocharger (5) with a turbine (6) and a compressor (7). The system (10) for exhaust gas recirculation is a low-pressure system, wherein exhaust gas is guidable via the turbine (6) of the turbocharger (5) and at least a part of the exhaust gas is guidable to the air inlet (4) of the cylinder (1) through the compressor (7) of a turbocharger (5). The EGR path (11) comprises a flow regulating valve (12), arranged upstream of the compressor (7), and a shut-off valve (13), arranged downstream of the turbine (6) and upstream of the flow regulating valve (12).
The internal combustion engine (100) comprises an air-supply system (20) for guiding scavenging air from a scavenge air-line (8) and/or from a scavenge air-receiver (9) into the EGR path (11) on demand.

4. 发明公开

EP4187067A1 INTERNAL COMBUSTION ENGINE 无效
公开(公告)号：EP4187067A1
公开(公告)日：2023-05-31
申请号：EP21210085.3
申请日：2021-11-24
申请人： Winterthur Gas & Diesel Ltd.
发明人： Unfug, Fridolin
IPC分类号： F02B25/06 , F02M21/02 , F02M35/10 , F02B75/02 , F02M69/52
摘要： The present invention is related to an internal combustion engine (100) and a method for operating an internal combustion engine. The Internal combustion engine (100), preferably a large two-stroke internal combustion engine, has at least one cylinder (1), preferably having an inner diameter of at least 200mm.
The Internal combustion engine (100) is a low pressure fuel fluid engine or dual-fuel engine (1) comprising at least one fluid admission valve (29) for providing fuel fluid. The cylinder (1) has a plurality of scavenging ports (10) being in fluid communication with a scavenging chamber (4) which surrounds a first end side (6a) of the cylinder (1).
The internal combustion engine (100) comprises at least one mixing chamber (11) providing a mixing volume (12), which is arranged in the scavenging chamber (4). The mixing chamber (11) comprises at least one inlet port (13) for introducing scavenging air, at least one feed nozzle (14) for introducing fuel fluid into the mixing chamber, preferably at least one feed nozzle (14) arranged in each inlet port (13), and at least one outlet (15), each outlet (15) facing at least one scavenging port (10) and preferably up to four adjacent scavenging ports (10).

5. 发明公开

EP4166769A1 INTERNAL COMBUSTION ENGINE WITH VARIABLE COMPRESSION RATIO DEVICE 审中-实审转让
公开(公告)号：EP4166769A1
公开(公告)日：2023-04-19
申请号：EP21203071.2
申请日：2021-10-18
申请人： Winterthur Gas & Diesel Ltd.
发明人： Alder, Roland , Huber, Cyril , Stürm, Thomas
IPC分类号： F02B75/04 , F02B75/32 , F02D15/02 , F16J1/14 , F01P3/12 , F01M1/06 , F01P3/00
摘要： The present invention is related to an internal combustion engine 100, a method for running an internal combustion engine 100 and a crosshead pin 11. The internal combustion engine (100) with at least one cylinder (1) has at least one piston (6) which is movably arranged within the cylinder. The engine has a rotatably arranged crankshaft (2), with the piston (6) being connected to a crosshead (8) via a piston rod (7), and with a crosshead pin (11) connected to the piston rod (7), and with the crosshead (8) being connected to the crankshaft (2) via a connecting rod (9) to drive the crankshaft (2). The engine comprises a variable compression ratio device (10) for changing a compression ratio of an engine, which is provided with a fluid chamber (12) arranged in the inside of the crosshead pin (11), in which the piston rod is moveable relative to a bottom (13) of the fluid chamber (12) by a pressure-increased working fluid being supplied into the fluid chamber (12). The piston rod (7) comprises cooling channels (14a, 14b). The crosshead pin (11) comprises at least one first flow path (15) for guiding a cooling fluid that is to be supplied to at least one of the cooling channels (14a) and at least one second flow path (16) for guiding a cooling fluid that is to be discharged from at least one of the cooling channels (14b). The first flow path (15) is arranged in a first distance (d1) to a bottom plane (17) defined by the bottom (13) of the fluid chamber (12) and the second flow path (16) is arranged in second distance (d2) to the bottom plane (17). The first distance (d1) is smaller than the second distance (d2). The first flow path (15) comprises a plurality of first channels (18), preferably uniformly, arranged in a first cross-section (19) of the crosshead pin (11) parallel to the bottom plane (17) .

6. 发明公开

EP3628836A1 EXHAUST HOUSING FOR AN INTERNAL COMBUSTION ENGINE AND METHOD OF GUIDING EXHAUST GAS OF THE INTERNAL COMBUSTION ENGINE 审中-公开
公开(公告)号：EP3628836A1
公开(公告)日：2020-04-01
申请号：EP18197411.4
申请日：2018-09-28
申请人： Winterthur Gas & Diesel Ltd.
发明人： Brutsche, Martin , Cakir, Ertugrul
IPC分类号： F01N13/00 , F01N13/10 , F01N3/10 , F01N3/20 , F01N3/28
摘要： It is suggested to provide an exhaust housing (1) for an internal combustion engine. The exhaust housing comprises an exhaust manifold (20) and a first exhaust treatment area (30). The exhaust manifold (20) includes at least one exhaust housing inlet (2) for exhaust gas of the internal combustion engine and at least one manifold outlet for guiding the exhaust gas to the exhaust treatment area. The first exhaust gas treatment area comprises a first duct (5) and a second duct (6) that are arranged in parallel. A first exhaust treatment section (7) is arranged in the first duct (5) and a second exhaust treatment section (8) is arranged in the second duct (6). The invention is characterized in that the first duct comprises a primary flow constriction, such that a flow distribution of the first and second duct is optimized.

7. 发明公开

EP3620628A1 PRE-CHAMBER 审中-公开
公开(公告)号：EP3620628A1
公开(公告)日：2020-03-11
申请号：EP18192359.0
申请日：2018-09-04
申请人： Winterthur Gas & Diesel Ltd.
发明人： IMHASLY, David , OTT, Marcel , CARELLI, Andreas , HÄNFLING, Adrian , RÄSS, Konrad
IPC分类号： F02B19/08 , F02B19/12 , F02B19/10 , F02B19/18
摘要： The invention relates to pre-chambers for a cylinder of an internal combustion engine and to a cylinder device.
The pre-chamber (9) comprises an ignition chamber 12 for igniting of the gas-air mixture and a duct (4) for connecting the ignition chamber (12) with a main combustion chamber (21) of the cylinder. The pre-chamber (12) comprises a housing (11) with an integrated, and preferably autarkic, cooling assembly (28).
The cylinder device may comprise exactly one pre-chamber 9, wherein the duct (4) comprises a first duct section (13) with an inlet opening (6) of the duct (4) to the ignition chamber (12), the first duct section (13) having a first longitudinal axis (5). The ignition chamber longitudinal axis (3) has an inclination relative to the first longitudinal axis (5). The inlet opening (6) is arranged eccentrically, such that a tumble flow motion is formable in an ignition chamber. The duct (4) comprises exactly one outlet opening (7) which is arranged such that a gas-air mixture beam is formable. Edges (8) at the inlet opening (6) are designed as soft edges. The duct (4) comprises a second duct section (19) comprising a second longitudinal axis (14), which is inclined relative to the first longitudinal axis (5) and to the ignition chamber longitudinal axis (3)

8. 发明公开

EP3569835A1 INTERNAL COMBUSTION ENGINE AND METHOD FOR REDUCING NITROGEN OXIDE EMISSIONS 有权
公开(公告)号：EP3569835A1
公开(公告)日：2019-11-20
申请号：EP19175055.3
申请日：2019-05-17
申请人： Winterthur Gas & Diesel Ltd.
发明人： Plüss, Alain , Kadau, Dirk , Brutsche, Martin , Stark, Matthias
IPC分类号： F01N3/20 , F01N13/04 , F01N13/00
摘要： The invention relates to an internal combustion engine (1). The internal combustion engine comprises at least two cylinders (2). Each of the two cylinders comprises a combustion chamber (3) and has an inlet for a fuel and an outlet (5) for an exhaust gas with an outlet valve (6). The engine comprises at least one separation device (7) downstream of the combustion chambers (3) for separating the exhaust gas of all combustion chambers (3) into a first and a second exhaust gas stream. A first (8) and a second exhaust line (9) are connected to the at least one separation device (7). The at least one separation device (7) is configured to separate the exhaust gas from the combustion chambers (3) into a first gas stream for the first component exhaust line (8) and a second gas stream for the second component exhaust line (9). A first selective catalytic reduction (SCR) reactor (10) is arranged in the first component exhaust line (8) downstream of the separation device (7). The second component exhaust line (9) and the first component exhaust line (9) are separate from each other at least until the first SCR reactor (10). The first SCR reactor (10) has a maximum capacity of 80% or less of a full load outflow rate of the at least two cylinders (2).

10. 发明公开

EP3176397A1 VERBRENNUNGSMOTOR UND VERFAHREN ZUM OPTIMIEREN DER ABGASNACHBEHANDLUNG EINES VERBRENNUNGSMOTORS 审中-公开
标题翻译：内燃发动机和方法OPTIMIZE后处理的内燃发动机
公开(公告)号：EP3176397A1
公开(公告)日：2017-06-07
申请号：EP15198052.1
申请日：2015-12-04
申请人： Winterthur Gas & Diesel Ltd.
发明人： Brunner, Matthias , Brutsche, Martin , Kadau, Dirk
IPC分类号： F01N3/20 , F01N3/05 , F02B37/16 , F02D41/02 , F02B37/10 , F02D41/00 , F02B29/04
CPC分类号： F01N3/2066 , F01N3/05 , F01N3/2006 , F01N2560/06 , F01N2900/1404 , F02B29/0468 , F02B37/10 , F02B37/168 , F02D41/0007 , F02D41/0245 , F02D2400/04 , Y02T10/144 , Y02T10/146 , Y02T10/24 , Y02T10/26
摘要： Verbrennungsmotor (1), insbesondere 2-Takt Schiffsmotor, bevorzugt Kreuzkopfverbrennungsmotor, der zumindest einen, bevorzugt eine Vielzahl von Zylindern umfasst, die mit einem Abgasreceiver (2) verbunden sind. Der Verbrennungsmotor (1) umfasst einen SCR Reaktor (3), dessen Eingang (3a) mit einem Ausgang (2b) des Abgasreceivers (2) verbunden ist und einen Turbolader (4) mit einer Turbine (5) und einem Kompressor (6). Der Turbineneingang (5a) ist mit einem Ausgang (3b) des SCR Reaktors (3) über einen Turbinenpfad (7) verbunden, wobei die Turbine (5) des Turboladers (4) den Kompressor (6) antreibt und dessen Kompressorausgang (6b) über einen Ladeluftpfad (8) mit einem Ladeluftreceiver (9) verbunden ist. Der Ladeluftreceiver (9) ist mit einem Lufteinlass (10) der Zylinder des Verbrennungsmotors (1) verbunden und der Ladeluftpfad (8) umfasst einen Ladeluftkühler (11). Stromaufwärts des Ladeluftkühlers (11) ist eine Umgehungsleitung (12) angeordnet, die den Ladeluftpfad (8) mit dem Turbinenpfad (7) verbindet.

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