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1. 发明专利

JP2014145289A Uniflow scavenging two-cycle engine and fuel injection method for the same 有权
标题翻译：同期采用两轮循环发动机和燃油喷射方法
公开(公告)号：JP2014145289A
公开(公告)日：2014-08-14
申请号：JP2013013559
申请日：2013-01-28
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA TAKESHI , HIROSE TAKAYUKI , YAMADA NORIYUKI , KUGE TAKAHIRO
IPC分类号： F02B25/04
CPC分类号： F02B25/04 , F02B7/08 , F02D41/0027 , F02D41/3094 , F02D2400/04 , F02M21/0275 , F02M21/0278 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To achieve efficient combustion by uniformly supplying premixed gas (fuel gas) to a combustion chamber.SOLUTION: A uniflow scavenging two-cycle engine 100 includes a cylinder 110 having a combustion chamber 140 in an inside thereof, a piston 112 sliding in the cylinder, a scavenging port 122 provided at one end in a stroke direction of the piston in the cylinder and sucking active gas into the combustion chamber in accordance with sliding movement of the piston, a first fuel injection part 126 provided in the scavenging port and injecting fuel gas to the active gas sucked by the scavenging port, and a second fuel injection part 128 provided at the other end in the stroke direction compared to the scavenging port in the cylinder and injecting the fuel gas to the active gas sucked into the cylinder from the scavenging port.
摘要翻译：要解决的问题：通过将预混合气体（燃料气体）均匀地供应到燃烧室来实现有效的燃烧。解决方案：单流清扫双循环发动机100包括在其内部具有燃烧室140的气缸110，活塞112 在气缸中滑动，清扫口122设置在气缸中的活塞的冲程方向的一端，并根据活塞的滑动将吸入活性气体到燃烧室;第一燃料喷射部分126，设置在扫气将燃料气体喷射到由扫气口吸入的活性气体，以及与气缸中的扫气口相比在行程方向上设置的另一端的第二燃料喷射部128，并将燃料气体喷射到被吸入的活性气体气缸从清扫口。

2. 发明专利

JP2014047707A Uniflow scavenging type two-cycle engine 有权
标题翻译：同向扫描型双周期发动机
公开(公告)号：JP2014047707A
公开(公告)日：2014-03-17
申请号：JP2012191122
申请日：2012-08-31
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA NORIYUKI , HIROSE TAKAYUKI , KUGE TAKAHIRO , YAMADA TAKESHI
IPC分类号： F02B25/04 , F02B15/00 , F02B23/10 , F02D41/02 , F02M21/02
CPC分类号： F02B25/02 , F02B7/06 , F02B25/04 , F02B75/02 , F02B2075/025 , F02D19/0647 , F02D19/10 , F02D41/3094 , F02D2400/04 , F02M21/0248 , F02M21/0275 , F02M21/0278 , F02M21/0284 , Y02T10/32 , Y02T10/36
摘要： PROBLEM TO BE SOLVED: To provide a uniflow scavenging type two-cycle engine for enabling efficient mixture of injected fuel gas into active gas.SOLUTION: The uniflow scavenging type two-cycle engine includes a cylinder 110 inside which a combustion chamber is formed, a piston for sliding in the cylinder, a scavenging port 122 provided in one end side of the cylinder in the stroking direction of the piston for sucking active gas into the combustion chamber depending on the sliding operation of the piston, and a fuel injection part 126 provided outside the cylinder beyond the width center in the penetrating direction of the scavenging port for injecting the fuel gas into the active gas sucked from the scavenging port.
摘要翻译：要解决的问题：提供一种单向扫气式双冲程发动机，用于使注入的燃料气体有效地混合成活性气体。解决方案：单流清扫型双循环发动机包括：气缸110，内部形成有燃烧室，用于在气缸中滑动的活塞，根据活塞的滑动操作，沿着活塞的行进方向设置在气缸的一端侧的扫气口122，用于将活性气体吸入燃烧室;以及燃料喷射部126，在所述清扫口的穿透方向上的所述宽度中心外侧，将所述燃料气体喷射到从所述清扫口吸入的活性气体中。

3. 发明专利

JP2014047705A Uniflow scavenging type two-cycle engine 有权
标题翻译：同向扫描型双周期发动机
公开(公告)号：JP2014047705A
公开(公告)日：2014-03-17
申请号：JP2012191120
申请日：2012-08-31
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA NORIYUKI , HIROSE TAKAYUKI , KUGE TAKAHIRO , YAMADA TAKESHI
IPC分类号： F02M69/04 , F02B23/10 , F02B25/04 , F02D41/04 , F02M61/14
CPC分类号： F02B25/02 , F02B7/08 , F02B25/04 , F02B2075/025 , F02D19/10 , F02D41/0027 , F02D41/3094 , F02D41/32 , F02D41/34 , F02D2041/389 , F02D2250/08 , F02D2400/04 , F02M21/0275 , F02M21/0281 , F02M21/0284 , Y02T10/32 , Y02T10/36 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To provide a uniflow scavenging type two-cycle engine having improved operability by devising the construction of a fuel injection valve to spread fuel gas widely into a whole cylinder.SOLUTION: A uniflow scavenging type two-cycle engine 100 includes a cylinder 110, a piston 112 for sliding in the cylinder, an exhaust port 116 provided in one end of the cylinder, an exhaust valve 120 for opening/closing the exhaust port, a scavenging port 122 provided in the inner peripheral face of the cylinder at the other end side in the stroking direction of the piston for sucking active gas into a combustion chamber 140 depending on the sliding operation of the piston, a plurality of fuel injection valves 128 for injecting fuel gas into the active gas sucked from the scavenging port into the combustion chamber to create pre-mixed gas, and a fuel injection control part 152 for varying the injecting direction of the fuel gas injected from all or part of the plurality of fuel injection valves 128.
摘要翻译：要解决的问题：提供一种通过设计燃料喷射阀的结构而具有改进的可操作性的单向扫气式双冲程发动机，以将燃料气体广泛地扩散到整个气缸中。解决方案：单流清扫型双循环发动机100包括气缸110，用于在气缸中滑动的活塞112，设置在气缸的一端的排气口116，用于打开/关闭排气口的排气门120，设置在气缸的内周面中的扫气口122 用于根据活塞的滑动操作将活性气体吸入燃烧室140的活塞的行进方向的另一端侧;多个燃料喷射阀128，用于将燃料气体喷射到从扫气口吸入的活性气体中燃烧室以产生预混合气体;以及燃料喷射控制部分152，用于改变从全部或部分多种燃料喷射的燃料气体的喷射方向截流阀128。

4. 发明专利

JP2014074342A Uniflow scavenging type 2 cycle engine 有权
标题翻译： UNIFLOW SCAVENGING TYPE 2循环发动机
公开(公告)号：JP2014074342A
公开(公告)日：2014-04-24
申请号：JP2012220901
申请日：2012-10-03
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA NORIYUKI , HIROSE TAKAYUKI , KUGE TAKAHIRO , YAMADA TAKESHI
IPC分类号： F02D13/02 , F02B25/04 , F02D19/02 , F02D43/00 , F02D45/00
CPC分类号： F02D41/0077 , F02B25/04 , F02B75/02 , F02B2075/025 , F02D13/0284 , F02D19/0692 , F02D19/10 , F02D41/0027 , F02D41/1459 , F02D41/3047 , F02D2041/001 , F02D2400/04 , F02M21/0275 , F02M21/0284 , Y02T10/18 , Y02T10/32 , Y02T10/36
摘要： PROBLEM TO BE SOLVED: To start fuel gas injection at an earlier timing while suppressing blow-through of a fuel gas.SOLUTION: A uniflow scavenging type 2-cycle engine 100 comprises a cylinder 110 having a combustion chamber 140 formed therein, piston 112 sliding in the cylinder, scavenging port 122 arranged at an inner peripheral surface at one end side in a stroke direction of the piston in the cylinder so as to suck an active gas into the combustion chamber according to the sliding motion of the piston, fuel injection valve 128 for injecting a fuel gas to the active gas sucked from the scavenging port into the combustion chamber to generate pre-mixed gas, exhaust port 116 arranged at the other end in a stroke direction of the piston in the cylinder, exhaust valve 120 for opening and closing the exhaust port, and exhaust valve driving mechanism 118 for opening and closing the exhaust valve in such a way that a time required for transferring the exhaust valve from a full-opened position to a full-closed position becomes longer than a time required for transferring the exhaust valve from the full-closed position to the full-opened position.
摘要翻译：要解决的问题：在抑制燃料气体吹扫的同时更早地启动燃料气体注入。解决方案：单流扫气式2循环发动机100包括具有形成在其中的燃烧室140的气缸110，活塞112滑动在气缸中，清扫口122布置在气缸中的活塞的行程方向上的一端侧的内周表面处，以便根据活塞的滑动运动将活性气体吸入燃烧室，燃料喷射阀 128，用于将燃料气体从从扫气口吸入燃烧室的活性气体喷射到燃烧室中以产生预混合气体;排气口116，其在气缸中的活塞的行程方向上设置在另一端;排气门120，用于打开并且关闭排气口，以及用于打开和关闭排气门的排气门驱动机构118，使得排气阀从全开位置传送所需的时间 n到完全关闭位置变得比将排气阀从全闭合位置传递到全开位置所需的时间长。

5. 发明专利

JP2014092072A Diesel engine 审中-公开
标题翻译：柴油发动机
公开(公告)号：JP2014092072A
公开(公告)日：2014-05-19
申请号：JP2012243113
申请日：2012-11-02
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA
IPC分类号： F02B23/02 , F02D19/12 , F02M25/022 , F02M43/04
CPC分类号： Y02T10/121 , Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a diesel engine capable of improving a reliability in collision between fuel and water within a combustion chamber and reducing generation amount of NOx.SOLUTION: A diesel engine comprises a cylinder having a combustion chamber formed therein, a piston sliding within the cylinder, a fuel injection part 126 having one or a plurality of fuel injection ports 126a opened into the combustion chamber and injecting fuel F through the fuel injection ports, and a water injection part 128 having one or a plurality of water injection ports 128a formed to enclose the fuel injection ports to inject water from the water injection ports into the combustion chamber to generate a water layer L of water flow, the fuel injection part injects fuel in a direction where it passes through the water layer L generated by the water injection part.
摘要翻译：要解决的问题：提供能够提高燃烧室内的燃料与水之间的碰撞的可靠性并减少NOx的产生量的柴油发动机。解决方案：一种柴油发动机包括其中形成有燃烧室的气缸，活塞滑动在气缸内，具有一个或多个燃料喷射口126a的燃料喷射部分126，燃料喷射口126a通向燃烧室，并通过燃料喷射口喷射燃料F;以及注水部分128，其具有一个或多个注水口128a 形成为封闭燃料喷射口以将水从注水口喷射到燃烧室中以产生水流L的水流，燃料喷射部分沿着其通过由水产生的水层L的方向喷射燃料注射部分。

6. 发明专利

JP2014005818A Two-cycle engine 有权
标题翻译：双循环发动机
公开(公告)号：JP2014005818A
公开(公告)日：2014-01-16
申请号：JP2012143934
申请日：2012-06-27
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA NORIYUKI , HIROSE TAKAYUKI , KUGE TAKAHIRO , YAMADA TAKESHI
IPC分类号： F02D19/08 , F02B1/08 , F02D41/02 , F02D41/04
CPC分类号： Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a two-cycle engine for enabling consistently normal operation while avoiding abnormal combustion irrespective of operating conditions.SOLUTION: A two-cycle engine includes: a cylinder 110; a piston 112 for sliding in the cylinder; an exhaust port 116 provided at one end in a stroke direction of the piston in the cylinder, and adapted to be opened/closed for exhausting exhaust gas generated in the cylinder; a scavenging port 122 provided in an inner peripheral face on the another end side in the stroke direction of the piston in the cylinder for sucking active gas into the cylinder depending on the sliding operation of the piston; a plurality of fuel injection valves 128a, 128b, 128c provided in the inner peripheral face of the cylinder, and arranged at intervals in the stroke direction of the piston; and a fuel injection control part 152 for allowing the fuel injection valves to inject fuel gas. The fuel injection control part differentiates the fuel injection valves to inject the fuel gas, depending on operating conditions.
摘要翻译：要解决的问题：提供一种双循环发动机，用于在不管运行条件如何的情况下，同时避免异常燃烧，以实现一致的正常运行。解决方案：双冲程发动机包括：气缸110; 用于在气缸中滑动的活塞112; 排气口116，其设置在气缸中的活塞的行程方向的一端，并且适于打开/关闭以排出在气缸中产生的废气; 清扫口122，其设置在气缸中的活塞的行程方向的另一端侧的内周面的内周面，用于根据活塞的滑动操作将活性气体吸入气缸; 多个燃料喷射阀128a，128b，128c，其设置在所述气缸的内周面上，并且在所述活塞的冲程方向上间隔设置; 以及用于允许燃料喷射阀喷射燃料气体的燃料喷射控制部分152。燃料喷射控制部分根据操作条件来区分燃料喷射阀以喷射燃料气体。

7. 发明专利

JP2014047706A Uniflow scavenging type two-cycle engine 有权
标题翻译：同向扫描型双周期发动机
公开(公告)号：JP2014047706A
公开(公告)日：2014-03-17
申请号：JP2012191121
申请日：2012-08-31
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA NORIYUKI , HIROSE TAKAYUKI , KUGE TAKAHIRO , YAMADA TAKESHI
IPC分类号： F02B23/10 , F02B25/04 , F02D41/04 , F02M61/14
CPC分类号： F02B25/04 , F02B75/02 , F02B2075/025 , F02D41/0027 , F02D41/3094 , F02D2041/0015 , F02D2400/04 , F02M21/0275 , F02M21/0284 , Y02T10/32 , Y02T10/36
摘要： PROBLEM TO BE SOLVED: To provide a uniflow scavenging type two-cycle engine having further improved operability by spreading fuel gas widely into a whole cylinder.SOLUTION: A uniflow scavenging type two-cycle engine 100 includes a cylinder 110, a piston 112 for sliding in the cylinder, an exhaust port 116 provided in one end of the cylinder, an exhaust valve 120 for opening/closing the exhaust port, a scavenging port 122 provided in the inner peripheral face of the cylinder at the other end side in the stroking direction of the piston for sucking active gas into a combustion chamber 140 depending on the sliding operation of the piston, and a plurality of fuel injection valves 128 for injecting fuel gas into the active gas sucked from the scavenging port into the combustion chamber to create pre-mixed gas. The plurality of fuel injection valves include, at least, a first fuel injection valve for injecting the fuel gas along the swirl flow of the active gas sucked into the cylinder, and a second fuel injection valve for injecting the fuel gas toward the further center axial side of the cylinder than the first fuel injection valve.
摘要翻译：要解决的问题：提供通过将燃料气体广泛地扩散到整个气缸中而具有进一步提高的可操作性的单流清扫型双循环发动机。解决方案：单流清扫型双冲程发动机100包括气缸110，用于滑动的活塞112 在气缸中，设置在气缸的一端的排气口116，用于打开/关闭排气口的排气门120，设置在气缸的内周面中的扫气口122，该扫气口122在抚摸方向上的另一端侧用于根据活塞的滑动操作将活性气体吸入燃烧室140的活塞;以及多个燃料喷射阀128，用于将燃料气体喷射到从扫气口吸入燃烧室的活性气体中，混合气体多个燃料喷射阀至少包括用于沿着吸入气缸中的活性气体的涡流喷射燃料气体的第一燃料喷射阀和用于将燃料气体朝向另一个中心轴向喷射的第二燃料喷射阀一侧的气缸比第一个燃油喷射阀。

8. 发明专利

JP2014005817A Uniflow scavenging two-cycle engine 有权
标题翻译：同向扫描双周期发动机
公开(公告)号：JP2014005817A
公开(公告)日：2014-01-16
申请号：JP2012143933
申请日：2012-06-27
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA , YAMADA NORIYUKI , HIROSE TAKAYUKI , KUGE TAKAHIRO , YAMADA TAKESHI
IPC分类号： F02D13/02 , F02B1/08
CPC分类号： Y02T10/18
摘要： PROBLEM TO BE SOLVED: To provide a uniflow scavenging two-cycle engine for enabling consistently normal operation while avoiding abnormal combustion.SOLUTION: A uniflow scavenging two-cycle engine includes: an exhaust port 116 provided at one end in a stroke direction of a piston 112 in a cylinder 110 for exhausting exhaust gas; an exhaust valve 120 for opening/closing the exhaust port; an exhaust control part 154 for opening/closing the exhaust valve; a scavenging port 122 provided in an inner peripheral face on the another end side in the stroke direction of the piston in the cylinder for sucking active gas into a combustion chamber 140 depending on sliding operation of the piston; a fuel injection valve 128 for injecting fuel gas into the active gas to generate pre-mixed gas; and a blow-back detection part 132 for detecting such blow-back that the exhaust gas generated by the combustion behavior of the pre-mixed gas is exhausted via the scavenging port to the outside of the cylinder. The exhaust control part makes a valve opening timing of the exhaust valve earlier when the blow-back is detected than when the blow-back is not detected.
摘要翻译：要解决的问题：提供一个单流清扫双循环发动机，以实现始终如一的正常运行，同时避免异常燃烧。解决方案：单流清扫双循环发动机包括：排气口116，其设置在活塞的冲程方向的一端 112，用于排出废气; 用于打开/关闭排气口的排气门120; 用于打开/关闭排气阀的排气控制部154; 在活塞的活塞的行进方向的另一端侧的内周面的内周面上设置有用于根据活塞的滑动操作将活性气体吸入燃烧室140的扫气口122; 用于将燃料气体喷射到活性气体中以产生预混合气体的燃料喷射阀128; 以及用于检测这种回吹的回吹检测部分132，使得由预混合气体的燃烧行为产生的废气经由扫气口排出到气缸的外部。当检测到回吹时，排气控制部分使排气门的开阀正时更早，而不检测到回吹。

9. 发明专利

JP2013044278A Reciprocating engine 审中-公开
标题翻译：再生发动机
公开(公告)号：JP2013044278A
公开(公告)日：2013-03-04
申请号：JP2011182414
申请日：2011-08-24
申请人： Ihi Corp , 株式会社Ihi
发明人： MASUDA YUTAKA
IPC分类号： F02D15/04 , F02B23/00 , F02B23/04 , F02F3/00
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a reciprocating engine that prevents deterioration in cleanliness of exhaust gas due to knocking by suppressing the knocking by changing the piston structure.SOLUTION: The reciprocating engine 1 includes: a cylinder 2; and a piston 4 forming a combustion chamber 3 together with the cylinder 2 and having a top surface 4a. The reciprocating engine also includes: a recess 9 provided on the top surface 4a side of the piston 4 and communicating with the combustion chamber 3; an operation part 12 that is air-tightly arranged between the top surface 4a side and the bottom surface 9a side of the recess 9 in the recess 9, provided slidably between the top surface 4a side and the bottom surface 9a side, forming a volume varying chamber 17, communicating with the combustion chamber 3, on the top surface 4a side, and forming an auxiliary chamber 18 on the bottom surface 9a side; a flow passage 19 of the piston 4 provided outside the recess 9 and communicating the combustion chamber 3 and the auxiliary chamber 18 with each other; and a valve 23 provided in the flow passage 19 in order to close the flow passage 19 when the pressure inside the combustion chamber 3 exceeds the preset set pressure and to open the flow passage 19 when the pressure in the combustion chamber 3 becomes less than the set pressure.
摘要翻译：要解决的问题：提供一种往复式发动机，其通过改变活塞结构来抑制爆震来防止由于爆震引起的排气的清洁度的劣化。往复式发动机1包括：气缸2; 以及与气缸2一起形成燃烧室3并具有顶面4a的活塞4。往复式发动机还包括：设置在活塞4的顶面4a侧并与燃烧室3连通的凹部9; 气密地配置在凹部9的凹部9的上表面4a侧和底面9a侧之间的操作部12，其可滑动地设置在上表面4a侧和底面9a侧之间，形成体积变化室17与燃烧室3连通，在顶面4a侧，在底面9a侧形成辅助室18; 活塞4的流路19设置在凹部9的外侧，使燃烧室3和辅助室18相互连通; 以及当燃烧室3内的压力超过预设的设定压力时，设置在流路19中的阀23，以便当燃烧室3内的压力超过预定的设定压力时闭合流路19，并且当燃烧室3中的压力变得小于设定压力。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2019094865A ２ストロークエンジン审中-公开
公开(公告)号：JP2019094865A
公开(公告)日：2019-06-20
申请号：JP2017226175
申请日：2017-11-24
申请人： IHI CORP
发明人： MASUDA YUTAKA , HIROSE TAKAYUKI
IPC分类号： F02B75/04 , F02B75/32 , F02D15/04
摘要：【課題】2ストロークエンジンにおいて、運転中に圧縮比を可変とする。【解決手段】シリンダ部と、上記シリンダ部のシリンダライナ内を摺動するピストンロッドとを有する2ストロークエンジンであって、上記シリンダ部を上記ピストンロッドの摺動方向に沿って移動させることにより、圧縮比を可変とする移動機構を有する。【選択図】図1

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