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. 发明公开

EP2837789A1 2-CYCLE GAS ENGINE 审中-公开
标题翻译： ZWEITAKT-GASMOTOR
公开(公告)号：EP2837789A1
公开(公告)日：2015-02-18
申请号：EP13776190.4
申请日：2013-02-07
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： ISHIDA, Hiroyuki , YUUKI, Akihiro , MIYANAGI, Akihiro , HIRAOKA, Naohiro , KOMADA, Yasuyuki
IPC分类号： F02B19/12 , F02B43/04 , F02D19/02 , F02D19/06 , F02D41/02 , F02M21/02
CPC分类号： F02B19/10 , F02B25/04 , F02B25/06 , F02B75/02 , F02B2075/025 , F02D19/10 , F02D37/02 , F02D41/0027 , F02D41/402 , F02D2400/04 , F02M21/0284 , F02M35/1019 , Y02T10/125 , Y02T10/32 , Y02T10/36 , Y02T10/44
摘要： An object is to provide a two-cycle gas engine which makes it possible to suppress generation of black exhaust, PM, or NOx during a gas operation mode. The two-cycle gas engine includes a piston 4 that defines a main combustion chamber c1 with a surrounding wall 2a of a cylinder 2 and a cylinder head 3, a fuel gas injector 8 configured to inject fuel gas 8a, 8b into the main combustion chamber c1, a scavenging port 6 that supplies air into the main combustion chamber c1 upon the piston 4 being positioned in vicinity of a bottom dead center, a precombustion chamber cap 9 that defines a precombustion chamber inside thereof, the precombustion chamber communicating with the main combustion chamber c1 through nozzle holes 9b, a fuel injection timing control unit 12 configured to inject the fuel gas 8b into the main combustion chamber c1 upon the piston being positioned at 10° to 100° before top dead center in an ascending stroke and to inject the fuel gas 8a into the main combustion chamber upon the piston being positioned in the vicinity of the top dead center, and an ignition timing control unit 12 configured to ignite a mixed air of the fuel gas and the air inside the precombustion chamber upon the piston being positioned in the vicinity of the top dead center.
摘要翻译：本发明的目的是提供一种双周期燃气发动机，其可以在气体运行模式期间抑制黑色废气，PM或NOx的产生。双循环燃气发动机包括活塞4，该活塞4限定具有气缸2的周围壁2a和气缸盖3的主燃烧室c1，配置为将燃料气体8a，8b喷射到主燃烧室中的燃料气体喷射器8 c1是在活塞4位于下止点附近时供给空气到主燃烧室c1的清扫口6，在其内部限定预燃室的预燃室盖9，与燃烧室连通的预燃室腔室c1通过喷嘴孔9b，燃料喷射正时控制单元12，被配置为当活塞在上行程中在上死点之前位于10°至100°时将燃料气体8b喷射到主燃烧室c1中，燃料气体8a在活塞位于上止点附近时进入主燃烧室，以及点火正时控制单元12，其被配置为点燃t 在活塞位于上止点附近时，燃料气体和预燃室内的空气。

12. 发明公开

EP2995794A4 UNIFLOW SCAVENGING 2-CYCLE ENGINE 有权转让
标题翻译：二次电机与直流冲洗
公开(公告)号：EP2995794A4
公开(公告)日：2017-01-04
申请号：EP14794160
申请日：2014-05-09
申请人： IHI CORP
发明人： KUGE TAKAHIRO , MASUDA YUTAKA , YAMADA TAKAYUKI , YAMADA TAKESHI , KAWAI MASAFUMI , SHIZUYA KEN
IPC分类号： F02B25/04 , F02B23/02 , F02M21/02
CPC分类号： F02B25/06 , F02B23/02 , F02B25/04 , F02B75/02 , F02B2075/025 , F02D19/10 , F02D41/0025 , F02D41/3047 , F02D2400/04 , F02M21/02 , F02M21/0275 , F02M21/0278 , Y02T10/125 , Y02T10/32 , Y02T10/36
摘要： A uniflow scavenging two-cycle engine includes a scavenge port which is provided on one end side in a stroke direction of a piston in a cylinder (110), and sucks an active gas; and a plurality of injection units (126g and 126f) which inject a fuel gas into the active gas sucked into the scavenge port and are provided on an inner circumferential surface of the scavenge port or on the outside of the cylinder compared to the inner circumferential surface, and have different positions of the piston in the stroke direction. Further, the plurality of injection units are divided into at least two sets of injection unit groups include a first injection unit group (160) and a second injection unit group (162), the first injection unit group being a set of one or a plurality of injection units located on the other end side in the stroke direction, and the second injection unit group being a set of one or a plurality of injection units located on one end side in the stroke direction, and the injection stop of the fuel gas is later in the injection unit of the first injection unit group than in the injection unit of the second injection unit group. With the configuration, it is possible to provide a scavenging two-cycle engine which suppresses blow-by of the fuel gas, while uniformly diffusing the fuel gas.

13. 发明公开

EP2327864A4 STRATIFIED SCAVENGING TWO-STROKE ENGINE 有权
标题翻译：带冲洗层二冲程发动机
公开(公告)号：EP2327864A4
公开(公告)日：2011-12-14
申请号：EP09816099
申请日：2009-09-17
申请人： MAKITA CORP
发明人： TAKAYANAGI YOSHIAKI
IPC分类号： F02B25/22 , F02B25/16
CPC分类号： F02B25/06 , F02B25/16 , F02B25/22 , F02B75/02 , F02B2075/025

14. 发明公开

EP2327864A1 STRATIFIED SCAVENGING TWO-STROKE ENGINE 有权
标题翻译： ZWEITAKTMOTOR麻省理工学院
公开(公告)号：EP2327864A1
公开(公告)日：2011-06-01
申请号：EP09816099.7
申请日：2009-09-17
申请人： Makita Corporation
发明人： TAKAYANAGI Yoshiaki
IPC分类号： F02B25/22 , F02B25/16
CPC分类号： F02B25/06 , F02B25/16 , F02B25/22 , F02B75/02 , F02B2075/025
摘要： A two-stroke engine is provided with a piston, a cylinder that houses the piston in a manner allowing reciprocation, a crankshaft that is connected to the piston via a connecting rod, a crankcase that houses the crankshaft in a manner allowing rotation, a mixture gas passage that introduces mixture gas into the crankcase, a scavenging passage that extends between a scavenging intake that opens into the crankcase and a scavenging port that opens into the cylinder; and an air passage that is connected to an intermediate position of the scavenging passage for introducing air into the scavenging passage. The engine is adapted such that, in a part of an upward stroke period of the piston, the crankcase in which negative pressure is generated is connected to the scavenging passage via the scavenging port. Accordingly, most of air introduced into the scavenging passage form the air passage flows toward the scavenging port and into the cylinder without changing the direction of flow.
摘要翻译：二冲程发动机设置有活塞，以允许往复运动的方式容纳活塞的气缸，通过连接杆连接到活塞的曲轴，以允许旋转的方式容纳曲轴的曲轴箱，混合物将混合气体引入曲轴箱的气体通道，在通向曲轴箱的扫气入口与通向气缸内的扫气口之间延伸的扫气通道; 以及空气通道，其连接到用于将空气引入扫气通道的扫气通道的中间位置。发动机适于使得在活塞的向上冲程期间的一部分中，产生负压的曲轴箱经由扫气口连接到扫气通道。因此，导入清扫通道的大部分空气形成空气通道朝向扫气口流入气缸而不改变流动方向。

15. 发明授权

EP0760054B1 SYSTEME DE CLAPETS D'AIR COMBINES AVEC CHAMBRE DE DISTRIBUTION 失效
标题翻译： AIR遮光装置与分配室连接
公开(公告)号：EP0760054B1
公开(公告)日：1998-03-04
申请号：EP95920147.6
申请日：1995-05-17
申请人： Chatelain, Michel
发明人： Chatelain, Michel
IPC分类号： F01L3/20 , F02B25/06
CPC分类号： F01L3/205 , F02B1/04 , F02B25/06
摘要： According to the invention, the valve comprises a cylindrical body (21) in a housing (21), for receiving one end of a return spring while the end is in contact with the case. The valve also includes two ribs (22, 23) for connection to a sealing plate (25) contacting the inner surface of an annular chamber (27) above an opening (26) thereof. The annular chamber is arranged to shorten the distance between the valve and the corresponding transfer port. The air valve of the invention is for spark ignition engines, in particular two-stroke engines.

16. 发明授权

EP2775118B1 Stratified scavenging two-stroke engine 有权
标题翻译：分层清除二冲程发动机
公开(公告)号：EP2775118B1
公开(公告)日：2018-03-28
申请号：EP14170918.8
申请日：2009-09-17
申请人： Makita Corporation
发明人： Takayanagi, Yoshiaki
IPC分类号： F02B25/22 , F02B25/16
CPC分类号： F02B25/06 , F02B25/16 , F02B25/22 , F02B75/02 , F02B2075/025
摘要： A two-stroke engine is provided with a piston, a cylinder that houses the piston in a manner allowing reciprocation, a crankshaft that is connected to the piston via a connecting rod, a crankcase that houses the crankshaft in a manner allowing rotation, a mixture gas passage that introduces mixture gas into the crankcase, a scavenging passage that extends between a scavenging intake that opens into the crankcase and a scavenging port that opens into the cylinder; and an air passage that is connected to an intermediate position of the scavenging passage for introducing air into the scavenging passage. The engine is adapted such that, in a part of an upward stroke period of the piston, the crankcase in which negative pressure is generated is connected to the scavenging passage via the scavenging port. Accordingly, most of air introduced into the scavenging passage form the air passage flows toward the scavenging port and into the cylinder without changing the direction of flow.

17. 发明授权

EP2995794B1 UNIFLOW SCAVENGING 2-CYCLE ENGINE 有权转让
标题翻译： UNIFLOW清除2循环发动机
公开(公告)号：EP2995794B1
公开(公告)日：2018-03-14
申请号：EP14794160.3
申请日：2014-05-09
申请人： IHI Corporation
发明人： KUGE, Takahiro , MASUDA, Yutaka , YAMADA, Takayuki , YAMADA, Takeshi , KAWAI, Masafumi , SHIZUYA, Ken
IPC分类号： F02B25/04 , F02B23/02 , F02M21/02
CPC分类号： F02B25/06 , F02B23/02 , F02B25/04 , F02B75/02 , F02B2075/025 , F02D19/10 , F02D41/0025 , F02D41/3047 , F02D2400/04 , F02M21/02 , F02M21/0275 , F02M21/0278 , Y02T10/125 , Y02T10/32 , Y02T10/36
摘要： A uniflow scavenging two-cycle engine includes a scavenge port which is provided on one end side in a stroke direction of a piston in a cylinder (110), and sucks an active gas; and a plurality of injection units (126g and 126f) which inject a fuel gas into the active gas sucked into the scavenge port and are provided on an inner circumferential surface of the scavenge port or on the outside of the cylinder compared to the inner circumferential surface, and have different positions of the piston in the stroke direction. Further, the plurality of injection units are divided into at least two sets of injection unit groups include a first injection unit group (160) and a second injection unit group (162), the first injection unit group being a set of one or a plurality of injection units located on the other end side in the stroke direction, and the second injection unit group being a set of one or a plurality of injection units located on one end side in the stroke direction, and the injection stop of the fuel gas is later in the injection unit of the first injection unit group than in the injection unit of the second injection unit group. With the configuration, it is possible to provide a scavenging two-cycle engine which suppresses blow-by of the fuel gas, while uniformly diffusing the fuel gas.

18. 发明公开

EP2775118A1 Stratified scavenging two-stroke engine 有权
标题翻译：分层清除二冲程发动机
公开(公告)号：EP2775118A1
公开(公告)日：2014-09-10
申请号：EP14170918.8
申请日：2009-09-17
申请人： Makita Corporation
发明人： Takayanagi, Yoshiaki
IPC分类号： F02B25/22 , F02B25/16
CPC分类号： F02B25/06 , F02B25/16 , F02B25/22 , F02B75/02 , F02B2075/025
摘要： A two-stroke engine is provided with a piston (32), a cylinder (24) that houses the piston (32) in a manner allowing reciprocation, a crankshaft (62) that is connected to the piston (32) via a connecting rod (80) , a crankcase (60) that houses the crankshaft (62) in a manner allowing rotation, a mixture gas passage (36) that introduces mixture gas into the crankcase (60) , a scavenging passage (66) that extends between a scavenging intake (56) that opens into the crankcase (60) and a scavenging port (68) that opens into the cylinder (24); and an air passage (44) that is connected to an intermediate position (66a) of the scavenging passage (66) for introducing air into the scavenging passage (66). The engine is adapted such that, in a part of an upward stroke period of the piston, the crankcase in which negative pressure is generated is connected to the scavenging passage (66) via the scavenging port (68). Accordingly, most of air introduced into the scavenging passage (66) form the air passage flows toward the scavenging port (68) and into the cylinder (24) without changing the direction of flow.
摘要翻译：二冲程发动机具备：活塞（32）;以能够往复移动的方式容纳活塞（32）的缸体（24）;经由连杆与活塞（32）连接的曲轴（62）（80），容纳旋转的曲轴（62）的曲轴箱（60），将混合气体导入曲轴箱（60）的混合气体通路（36），扫气通路（66）通向曲轴箱（60）的清扫进气口（56）和通向气缸（24）的扫气口（68）; 以及与扫气通路66的中间位置66a连接并将空气导入扫气通路66的空气通路44。该发动机在活塞的上行程期间的一部分中，产生负压的曲轴箱经由扫气口68与扫气通路66连接。因此，导入扫气通路66的空气的大部分形成空气通路而不改变流动方向地流向扫气口68和气缸24。

19. 发明授权

EP2327864B1 STRATIFIED SCAVENGING TWO-STROKE ENGINE 有权
标题翻译：分层清除两冲程发动机
公开(公告)号：EP2327864B1
公开(公告)日：2014-07-16
申请号：EP09816099.7
申请日：2009-09-17
申请人： Makita Corporation
发明人： TAKAYANAGI Yoshiaki
IPC分类号： F02B25/22 , F02B25/16
CPC分类号： F02B25/06 , F02B25/16 , F02B25/22 , F02B75/02 , F02B2075/025

20. 发明授权

EP1977094B1 A TWO-STROKE INTERNAL COMBUSTION ENGINE WITH VARIABLE COMPRESSION RATIO AND AN EXHAUST PORT SHUTTER 有权
标题翻译：具有可变压缩与AUSLASSKANALKLAPPE两冲程内燃机
公开(公告)号：EP1977094B1
公开(公告)日：2011-03-23
申请号：EP07705010.2
申请日：2007-01-23
申请人： LOTUS CARS LIMITED
发明人： TURNER, James, William, Griffith , BLUNDELL, David
IPC分类号： F02B25/06 , F02D9/04 , F02D15/04
CPC分类号： F02B25/06 , F02D9/04 , F02D15/04
摘要： With reference to Figure 1A, the present invention provides a two-stroke internal combustion engine comprising: a piston (19) reciprocable within a cylinder (20); an exhaust port (23) allowing communication of the cylinder (20) with an exhaust passage (24), which port (23) is opened and closed by the piston during the reciprocal motion thereof; moveable shutter means (1) for varying the effective area of the exhaust port (23), which shutter means (1) varies the effective area cyclically in a timed relationship to the reciprocal motion of the piston (19) within the cylinder (20); a compression ratio variation mechanism (41) additional to and separate from the moveable shutter means (1) for varying a compression ratio of the cylinder (20); sensor means (12, 14, 34) for measuring one or more operating characteristics of the engine and for generating signals corresponding thereto; and a control unit (11) which processes the signals generated by the sensor means (12, 14,34) and controls the motion of the shutter means (1) accordingly and control the effective area of the exhaust port (25) and controls the compression compression ratio variation mechanism (41) to independently vary the compression ratio of the cylinder (20).

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