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公开(公告)号：US20170167433A1
公开(公告)日：2017-06-15
申请号：US14964382
申请日：2015-12-09
CPC分类号： F02B75/007 , F02B25/00 , F02B61/045 , F02B2075/025 , F02B2710/03 , F02F1/22 , F02F2200/00
摘要： Provided is a modified two-stroke engine with an intake system having a plurality of removable inserts and a cylinder liner for each cylinder bore. The inserts fit within specific cavities in the engine's cylinder bores and are aligned with corresponding intake ports, upper transfer, lower transfer and central boost ports, in each liner. Certain embodiments may include an exhaust insert for the exhaust port. The exhaust insert can be a single piece or a set of three. Also provided is an engine having a billet aluminum block, forged as one piece, cylinder bores, insert cavities, removable intake inserts, pucks to cover the cylinder bores, a cylinder head base with a ring and a cylinder head cap. The ring prevents the separation of liner from water jacket. The power output of the engine is regulated by varying the size of the inserts. Additionally, methods for assembling, tuning and modifying an engine's horsepower are provided.
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公开(公告)号：US20060090716A1
公开(公告)日：2006-05-04
申请号：US11249242
申请日：2005-10-13
申请人： Steven Glassburn
发明人： Steven Glassburn
CPC分类号： F02D41/3005 , F02B2075/025 , F02B2710/03 , F02D2250/31 , F02D2400/04 , F02D2400/11 , F02M59/44 , F02M63/00
摘要： A fuel injection system for two-cycle engines comprising high pressure fuel injectors adapted to be installed in a two-cycle gas engine assembly.
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公开(公告)号：US20160215692A1
公开(公告)日：2016-07-28
申请号：US14997619
申请日：2016-01-18
CPC分类号： F01P3/16 , F01P3/02 , F02B25/00 , F02B2075/025 , F02B2710/03 , F02F1/4214 , F02F1/425 , F02F2001/249
摘要： A two-stroke engine includes a crankcase defining a cylinder bore, a piston moveably disposed within the cylinder bore, and a cylinder head that covers the cylinder bore. A wall surface of the cylinder bore, a piston combustion surface of the piston, and a head combustion surface of the cylinder head, cooperate to define a combustion chamber for combusting a fuel therein. A thermal conductivity reducing mechanism is disposed in thermal connectivity with at least one of the crankcase, the piston, and the cylinder head for reducing heat transfer from combusted fuel within the combustion chamber to at least one of the crankcase, the piston, and the cylinder head. The thermal conductivity reducing mechanism may include a layer of low conductivity material coating one of the surfaces defining the combustion chamber, or a void in the cylinder head and/or the crankcase adjacent the combustion chamber.
摘要翻译： 二冲程发动机包括限定气缸孔的曲轴箱，可移动地设置在气缸孔内的活塞和覆盖气缸孔的气缸盖。 气缸孔的壁表面，活塞的活塞燃烧表面和气缸盖的头部燃烧表面配合以限定用于燃烧燃料的燃烧室。 热导率降低机构设置成与曲轴箱，活塞和气缸盖中的至少一个的热连通性，用于减少从燃烧室内的燃烧燃料到曲轴箱，活塞和气缸中的至少一个的传热 头。 导热率降低机构可以包括涂覆限定燃烧室的表面之一的低传导率材料层，或者邻近燃烧室的气缸盖和/或曲轴箱中的空隙。
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公开(公告)号：US2397511A
公开(公告)日：1946-04-02
申请号：US40188441
申请日：1941-07-11
申请人： FAIRBANKS MORSE & CO
发明人： HENRY SCHRECK
IPC分类号： F02B43/00
CPC分类号： F02B43/00 , F02B2710/03 , Y02T10/32
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公开(公告)号：US09926830B2
公开(公告)日：2018-03-27
申请号：US14997619
申请日：2016-01-18
CPC分类号： F01P3/16 , F01P3/02 , F02B25/00 , F02B2075/025 , F02B2710/03 , F02F1/4214 , F02F1/425 , F02F2001/249
摘要： A two-stroke engine includes a crankcase defining a cylinder bore, a piston moveably disposed within the cylinder bore, and a cylinder head that covers the cylinder bore. A wall surface of the cylinder bore, a piston combustion surface of the piston, and a head combustion surface of the cylinder head, cooperate to define a combustion chamber for combusting a fuel therein. A thermal conductivity reducing mechanism is disposed in thermal connectivity with at least one of the crankcase, the piston, and the cylinder head for reducing heat transfer from combusted fuel within the combustion chamber to at least one of the crankcase, the piston, and the cylinder head. The thermal conductivity reducing mechanism may include a layer of low conductivity material coating one of the surfaces defining the combustion chamber, or a void in the cylinder head and/or the crankcase adjacent the combustion chamber.
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公开(公告)号：US20170204778A1
公开(公告)日：2017-07-20
申请号：US15474556
申请日：2017-03-30
申请人： IHI Corporation
CPC分类号： F02B25/04 , F02B43/00 , F02B2201/064 , F02B2710/03 , F02D19/025 , F02D19/029 , F02D19/0697 , F02D41/0027 , F02D41/22 , F02D2041/225 , F02D2400/04 , Y02T10/32 , Y02T10/40
摘要： A uniflow-scavenged two-cycle engine includes: a cylinder which has a combustion chamber; a piston; a scavenging chamber that surrounds one end side of the cylinder in the stroke direction of the piston and to which compressed active gas is guided; a scavenging port that is provided in a portion of the cylinder which is positioned in the scavenging chamber and suctions active gas from the scavenging chamber to the combustion chamber in response to a sliding motion of the piston; a fuel injection opening that injects fuel gas into the active gas which is suctioned into the scavenging port; and a fuel injecting valve that opens and closes a fuel supply path through which a fuel tank, communicates with the fuel injection opening, and is disposed in an space isolated from the scavenging chamber.
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公开(公告)号：US07124745B2
公开(公告)日：2006-10-24
申请号：US11249242
申请日：2005-10-13
IPC分类号： F02M37/04
CPC分类号： F02D41/3005 , F02B2075/025 , F02B2710/03 , F02D2250/31 , F02D2400/04 , F02D2400/11 , F02M59/44 , F02M63/00
摘要： A fuel injection system for two-cycle engines comprising high pressure fuel injectors adapted to be installed in a two-cycle gas engine assembly.
摘要翻译： 一种用于双冲程发动机的燃料喷射系统，其包括适于安装在双循环燃气发动机组件中的高压燃料喷射器。
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