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41. 发明授权

EP0786046B1 MOTEUR DEUX TEMPS A INJECTION PNEUMATIQUE DE MELANGE CARBURE 失效
标题翻译：气动控制的空气/燃油喷射在两冲程发动机
公开(公告)号：EP0786046B1
公开(公告)日：1999-04-07
申请号：EP95934178.5
申请日：1995-10-06
申请人： INSTITUT FRANCAIS DU PETROLE
发明人： DURET, Pierre , COLLIOU, Thierry
IPC分类号： F02B25/22
CPC分类号： F02M71/02 , F02B25/04 , F02B25/22 , F02B33/04 , F02B33/30 , F02B33/44 , F02B2075/025 , F02M67/02
摘要： Pneumatically-controlled fuel injection in a two-stroke engine comprising at least one cylinder (1) with a piston (2) delimiting a combustion chamber (14) and a pump housing (5) located in the extension of the combustion chamber and separated therefrom by the piston (2), at least one main air inlet (7) located within the pump housing, including a first backflow preventor (6), a device for supplying the pressurized air-fuel mixture, including means (20) for opening and closing an opening (12) for introducing the air-fuel mixture into the combustion chamber (14), and a channel (15) linked to the opening (12), containing the pressurized air-fuel mixture. The engine of the invention also comprises means (30-34) for drawing and introducing a pressurized fuel-air mixture into the channel (15).

42. 发明公开

EP0764774A3 Two-cycle internal combustion engine 失效
标题翻译： Zweitaktbrennkraftmaschine
公开(公告)号：EP0764774A3
公开(公告)日：1998-01-14
申请号：EP96114960.6
申请日：1996-09-18
申请人： HONDA GIKEN KOGYO KABUSHIKI KAISHA
发明人： Ishibashi, Yoichi, Honda Gijutsu Kenkyusho , Asai, Masahiro, Honda Gijutsu Kenkyusho
IPC分类号： F02B25/22
CPC分类号： F02F1/22 , F02B25/22 , F02B33/04 , F02B33/30 , F02B61/02 , F02B2075/025 , F02M67/04 , F02M69/10
摘要： It is intended to provide a two-cycle internal combustion engine capable of preventing the blow-by phenomenon, thereby improving both fuel economy and exhaust purifying performance, and superior in the responsivity of fuel injection volume.
[Means for Attaining the Subject] In a two-cycle internal combustion engine wherein a chamber 29 is disposed in scaventing passages 14,15 which provide communication between a crank chamber 9 and a combustion chamber 6, sealable control valves 26 and 33 are disposed in an inlet and an outlet, respectively, of the chamber 29, and a fuel feeding system 37 for the supply of fuel into the chamber 29 is provided, the present invention is characterized in that the chamber 29 is brought into communication with one scavenging passage 18 out of a plurality of prallel scavenging passages, and the control valve 33 disposed in the chamber outlet, which is on the combustion chamber side and on a scavenging downstream side, is positioned at the bottom part of the scavenging passage 18 communicating with the chamber 31 with respect to the control valve 26 disposed in the chamber inlet which is on the crank chamber side.
摘要翻译：旨在提供能够防止窜气现象的双循环内燃机，从而提高燃料经济性和排气净化性能，并且燃料喷射量的响应性优异。 Ä获得主体的方法在一个双循环内燃机中，其中腔29布置在提供曲柄室9和燃烧室6之间连通的扫气通道14,15中，可密封的控制阀26和33设置在入口并且分别设置有腔室29的出口和用于将燃料供应到腔室29中的燃料供给系统37，其特征在于，腔室29与一个扫气通道18连通，多个平行清扫通道，并且设置在室出口中的在燃烧室侧和扫气下游侧的控制阀33位于与腔室31连通的扫气通道18的底部，到设置在曲轴室侧的室入口中的控制阀26。

43. 发明公开

EP3987163A1 TWO-STROKE ENGINE, AND HANDHELD POWER TOOL 审中-实审
公开(公告)号：EP3987163A1
公开(公告)日：2022-04-27
申请号：EP20827776.4
申请日：2020-06-15
申请人： HUSQVARNA AB
发明人： HEDBERG, Markus , ENANDER, Niklas , STALFORS, Tobias
IPC分类号： F02B25/22 , F02B33/04 , F02B63/02 , F02M69/10

44. 发明授权

EP2947305B1 STRATIFIED SCAVENGING TWO-STROKE INTERNAL COMBUSTION ENGINE 有权
公开(公告)号：EP2947305B1
公开(公告)日：2021-10-27
申请号：EP15168726.6
申请日：2015-05-21
发明人： YAMAZAKI, Takahiro , YAMAGUCHI, Shirou , OTSUJI, Takamasa
IPC分类号： F02M35/10 , F02B75/02 , F02B63/02 , F02B33/04 , F02B25/22 , F02M19/08 , F02M17/34 , F02M17/12 , F02M9/08 , F02M35/108 , F02M69/10

45. 发明授权

EP3273048B1 SUCTION TUBE OF STRATIFIED SCAVENGING ENGINE 有权转让
公开(公告)号：EP3273048B1
公开(公告)日：2019-08-07
申请号：EP17174004.6
申请日：2017-06-01
申请人： Yamabiko Corporation
发明人： YONEYAMA, Kazuhiro , MIYAZAKI, Hiroshi
IPC分类号： F02M35/10 , F02B25/04 , F02B25/22 , F02B33/04 , F02B33/44 , F02B17/00

46. 发明公开

EP3277946A1 TWO-STROKE INTERNAL COMBUSTION ENGINE 有权
标题翻译：二冲程内燃机
公开(公告)号：EP3277946A1
公开(公告)日：2018-02-07
申请号：EP15713730.8
申请日：2015-03-31
申请人： Husqvarna AB
发明人： LUNDGREN, Alexander , BERNEKLEV, Joel , SCHOUG, Tommy
IPC分类号： F02M35/10 , F02M35/108 , F02B25/22 , F02D9/02
CPC分类号： F02B25/06 , F02B25/22 , F02B75/02 , F02B2075/025 , F02D9/02 , F02D2009/0252 , F02M35/1017 , F02M35/10196 , F02M35/108
摘要： An internal combustion engine (10), including a cylinder (15) with a cylinder wall (12) defining a combustion chamber (32), a piston (13) reciprocally disposed within the combustion chamber (32) a crankcase (16) including a crankshaft (11) rotatably disposed therein, the piston (13) being connected to the crankshaft (11) by a connecting rod (17), a first scavenger duct (3) extending between the combustion chamber (32) and the crankcase (16), the first scavenger duct (3) including a top port (31a) and a bottom port (31b), a fuel and air inlet channel (22) in fluid communication with the crankcase (16) by way of a piston ported fuel and air inlet port (23) so that the fuel and air inlet channel (22) delivers a fuel and air mixture to the crankcase (16), and an airhead channel (6) in fluid communication with the first scavenger duct (3) by way of a first piston ported air inlet port (7), characterized in that the fuel and air inlet channel (22) is in fluid communication with the airhead channel (6) so that the fuel and air mixture is combinable with the air flow from the airhead channel (6).

47. 发明公开

EP2739839A4 ADJUSTING OF AIR-FUEL RATIO OF A TWO-STROKE INTERNAL COMBUSTION ENGINE 有权
标题翻译：设置两冲程内燃机的空燃比
公开(公告)号：EP2739839A4
公开(公告)日：2016-01-20
申请号：EP11870558
申请日：2011-08-05
申请人： HUSQVARNA AB
发明人： BERGMAN MIKAEL
IPC分类号： F02D41/14 , F01N3/10 , F02B25/02 , F02B25/04 , F02B25/22 , F02B33/04 , F02B63/02
CPC分类号： F02B75/02 , F01N3/101 , F02B25/04 , F02B25/22 , F02B33/04 , F02B63/02 , F02B2075/025 , F02D35/0053 , F02D41/1439 , F02D41/1454 , F02D41/1488 , F02D2400/04 , F02D2400/06 , Y02T10/22
摘要： To meet stringent emission standards and improve performance of two-stroke crankcase-scavenged engines, the muffler (13) of the engine is provided with mixing means (130, 31) for mixing the exhaust gases (42) resulting from the mixture participating in combustion and gases resulting from scavenging, so that a substantially homogenous gaseous mixture is formed within the muffler (13), and means (81) for sensing oxygen concentration is located in the homogeneous gaseous mixture and are configured to provide an output value to a control unit (80) for controlling supply of fuel to the engine and thereby the air-fuel ratio in the combustion chamber (41). The muffler (13) suitably is provided with a catalytic element (140), preferably a three-way catalyst. The engine (1) preferably is a stratified charge engine.

48. 发明授权

EP2670956B1 2-CYCLE ENGINE AND ENGINE-POWERED WORKING MACHINE HAVING THE SAME 有权
标题翻译：二冲程发动机和发动机驱动的工作机器，
公开(公告)号：EP2670956B1
公开(公告)日：2015-03-11
申请号：EP12705170.4
申请日：2012-01-30
申请人： Hitachi Koki Co., Ltd.
发明人： NIWA, Kenji , IKEDA, Tomoya , ISHIDA, Shigetoshi
IPC分类号： F02F1/22 , F02B25/22 , F02B29/00 , F02B33/04 , F01L3/20 , F02B25/14 , F02B63/02 , F01L9/04 , F02B75/16 , F02D13/02 , F02B75/02
CPC分类号： F02B29/00 , F01L3/205 , F01L9/04 , F02B25/14 , F02B25/22 , F02B33/04 , F02B63/02 , F02B75/16 , F02B2075/025 , F02D13/028 , F02F1/22 , Y02T10/18

49. 发明授权

EP2378095B1 Laminar-scavenging two-cycle engine 有权转让
标题翻译：与层流冲洗两冲程发动机
公开(公告)号：EP2378095B1
公开(公告)日：2014-10-01
申请号：EP11173698.9
申请日：2007-05-10
申请人： Hitachi Koki CO., LTD.
发明人： Ishida, Shigetoshi
IPC分类号： F02B25/16 , F02B25/22 , F02F3/24
CPC分类号： F02B25/16 , F02B25/22 , F02B2075/025 , F02F1/22 , F02F3/24
摘要： Provided is a laminar-scavenging two-cycle engine, which can have a higher laminar-scavenging effect than that of the laminar-scavenging two-cycle engine of the prior art and which can expect drastically excellent effects on the stabilization of combustion and on the blow-by prevention. The laminar-scavenging two-cycle engine is characterized in that a scavenging passage (4) is constituted to include a portion (or a crankcase side portion (4a)) extending along a crankcase (9) and a portion (or a cylinder side portion (4b)) extending along a cylinder (10) and to have a length larger than the sum of the diameter and stroke of the cylinder (10), in that an ambient air introducing passage (11) for introducing the leading air into the scavenging passage (4) is connected to an intermediate portion of the scavenging passage (4), and in that a notch (8a) for opening a scavenging port (7) to the side of the crankcase (9) when a piston (8) is near the top dead center is formed in the piston (8).

50. 发明公开

EP2492468A4 STRATIFIED SCAVENGING TWO-CYCLE ENGINE 审中-公开
标题翻译： ZWEITAKTMOTOR MITSCHICHTSPÜLUNG
公开(公告)号：EP2492468A4
公开(公告)日：2013-11-20
申请号：EP09850572
申请日：2009-10-21
申请人： HUSQVARNA ZENOAH CO LTD
发明人： ONO RYOU , OHNIWA TAKASHI , SEKINE AKIYOSHI
IPC分类号： F02B25/22 , F02M9/08 , F02M9/12
CPC分类号： F02M9/085 , F02B25/22 , F02B2075/025 , F02M19/02
摘要： A stratified scavenging two-cycle engine (10) comprising an engine body (11), a carburetor (12) equipped with a pivotable rotary valve (22) for switching between opening and closing of a single intake path, and an insulator (13) having heat insulating performance. The rotary valve (22) of the carburetor (12) is provided with a fuel injecting nozzle opening (26) open downward. Fuel from the nozzle opening (26) is injected in the directions corresponding to a mixed gas path (27) and to that portion of an air path (28) which is upstream in the mixed gas path (27).
摘要翻译：一种分层扫气式二冲程发动机（10），其包括发动机体（11），配备有用于在单个进气通道的打开和关闭之间进行切换的可枢转旋转阀（22）的化油器（12）具有隔热性能。化油器（12）的旋转阀（22）具有向下开口的燃料喷射喷嘴开口（26）。来自喷嘴开口部26的燃料向与混合气体通路27对应的方向以及混合气体通路27上游的空气通路28的部分喷射。

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