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11. 发明申请

US20190178199A1 PORT BELT ARRANGEMENT 审中-公开
公开(公告)号：US20190178199A1
公开(公告)日：2019-06-13
申请号：US16323441
申请日：2017-08-02
申请人： COX POWERTRAIN LIMITED
发明人： Euan FREEMAN
IPC分类号： F02F1/22 , F02B75/20 , F02B25/26 , F02B75/02
摘要： A port belt arrangement for use in a two-stroke internal combustion engine containing a pair of adjacent cylinders. The arrangement including a first hollow annulus defining a first annular channel, the first annular channel tapering in a radial direction, with increasing circumferential distance from a first port, an inner wall of the first annular channel having a second port, and a second hollow annulus defining a second annular channel, the second annular channel tapering in a radial direction, with increasing circumferential distance from a third port, an inner wall of the second annular channel having a fourth port, wherein the first hollow annulus and the second hollow annulus are joined together at a joining point located on each of their circumferences. The cross-sectional area of the first annular channel at the joining point is less than the cross-sectional area of the first annular channel at the point on the circumference of the first hollow annulus which is furthest from the joining point.

12. 发明授权

US09334789B2 Two stroke engine porting arrangement 有权
标题翻译：两冲程发动机配置
公开(公告)号：US09334789B2
公开(公告)日：2016-05-10
申请号：US13884273
申请日：2011-11-11
申请人： Basil Van Rooyen
发明人： Basil Van Rooyen
IPC分类号： F02B25/00 , F02B25/02 , F02B33/12 , F02B33/20 , F02M35/116 , F02B25/26 , F02B75/02
CPC分类号： F02B25/00 , F02B25/02 , F02B25/26 , F02B33/12 , F02B33/20 , F02B2075/025 , F02M35/116
摘要： A gas transfer port system for a cylinder of a two stroke internal combustion engine; said cylinder provided with a fixed separator plate dividing said cylinder into an upper section and a lower section; a piston in said cylinder reciprocating between said separator plate and a cylinder head; and wherein an annular skirt descending from said separator plate forms at least a portion of an annular well between said skirt and an internal surface of said cylinder; said well sealed at the bottom such that said cylinder is isolated from a crankcase of said engine; said gas transfer port system including at least one long gas transfer port connecting a lower portion of said annular well with a gas transfer port outlet aperture in a wall of said cylinder.
摘要翻译：一种用于二冲程内燃机的气缸的气体输送口系统; 所述气缸设置有将所述气缸分成上部和下部的固定分离板; 所述气缸中的活塞在所述分离板和气缸盖之间往复运动; 并且其中从所述分隔板下降的环形裙部在所述裙部和所述圆筒的内表面之间形成环形井的至少一部分; 在底部表示井密封，使得所述气缸与所述发动机的曲轴箱隔离; 所述气体输送口系统包括将所述环形井的下部与气缸的壁中的气体输送口出口孔连接的至少一个长的气体输送口。

13. 发明授权

US5682870A Air fuel ratio detecting device and system for engines 失效
标题翻译：发动机空燃比检测装置及系统
公开(公告)号：US5682870A
公开(公告)日：1997-11-04
申请号：US579873
申请日：1995-12-28
申请人： Yu Motoyama
发明人： Yu Motoyama
IPC分类号： F02B75/18 , F01N3/22 , F02B25/16 , F02B25/26 , F02B61/02 , F02B75/02 , F02D35/00 , F02D41/14 , F02D45/00 , F01N3/00
CPC分类号： F02D41/1439 , F01N13/008 , F02B61/02 , F02B2075/025 , F02D2400/04
摘要： A number of embodiments of combustion controls for two-cycle internal combustion engines wherein a sensor chamber is provided in which a combustion condition sensor is located. The sensor chamber communicates with the combustion chamber in such a way that only combustion products can flow from the combustion chamber into the sensor chamber. Various valving and control arrangements for achieving this purpose are disclosed.
摘要翻译：用于两循环内燃机的燃烧控制的多个实施例，其中设置有燃烧条件传感器所在的传感器室。传感器室与燃烧室连通，使得仅燃烧产物可以从燃烧室流入传感器室。公开了用于实现该目的的各种阀门和控制装置。

14. 发明授权

US5524578A Two-cycle engine having improved idle relief 失效
标题翻译：双循环发动机具有改进的怠速释放
公开(公告)号：US5524578A
公开(公告)日：1996-06-11
申请号：US536721
申请日：1995-09-29
申请人： Todd Craft , Tim Bowhall , Dave Mate
发明人： Todd Craft , Tim Bowhall , Dave Mate
IPC分类号： F02B75/18 , F01L13/08 , F02B25/26 , F02B75/02 , F02D13/08 , F02F1/22 , F02B77/08
CPC分类号： F01L13/08 , F02B75/02 , F02F1/22 , F02B2075/025
摘要： An engine having an engine block defining at least two cylinders having respective cylinder heads. Pistons are reciprocal within respective ones of the cylinders. The cylinders have respective fuel inlet ports and exhaust ports and two of said cylinders have an idle relief port disposed between their respective exhaust port and head ends. The idle relief ports of the cylinders are interconnected by a passageway for providing communication between the idle relief ports of said at least two cylinders. This has been found to provide reduced pull start resistance, reduced engine vibration during idle, and significantly reduced horsepower loss over a wide operating range which horsepower loss is normally associated with idle prior art relief structures which vent directly from idle relief ports to atmosphere.
摘要翻译：具有限定具有相应气缸盖的至少两个气缸的发动机缸体的发动机。活塞在相应气缸内是相互的。气缸具有各自的燃料入口和排气口，并且两个所述气缸具有设置在它们各自的排气口和头端之间的空闲排放口。气缸的空闲卸载口通过通道互连，用于提供所述至少两个气缸的空闲卸压口之间的连通。已经发现，在较宽的工作范围内，提供降低的起动阻力，减少发动机振动，以及马力损失显着降低，马力损失通常与从空闲卸载口直接排放到大气中的空闲现有技术浮雕结构相关联。

15. 发明授权

US5443045A Two-stroke fuel-injected internal combustion engine 失效
标题翻译：二冲程燃油喷射内燃机
公开(公告)号：US5443045A
公开(公告)日：1995-08-22
申请号：US167985
申请日：1993-12-23
申请人： Pierluigi Marconi
发明人： Pierluigi Marconi
IPC分类号： F02B23/10 , F02B1/04 , F02B25/00 , F02B25/14 , F02B25/16 , F02B25/20 , F02B25/26 , F02B75/02 , F02B75/12 , F02M61/14 , F02M69/10 , F02B3/00
CPC分类号： F02B25/00 , F02B25/14 , F02B25/20 , F02M69/10 , F02B1/04 , F02B2075/025 , F02B2075/027 , F02B2075/125 , Y02T10/123
摘要： A two-stroke internal combustion engine of the type comprising a cylinder exhibiting an internal cavity of substantially cylindrical shape, a reciprocating piston accommodated slidably and coaxially within the cavity, a cylinder head connect to one end of the cylinder, of which the inwardly directed face affords a combustion chamber in communication with the cavity, and at least one spark plug supported by the cylinder head, of which the ignition electrodes project toward or occupy the combustion chamber, characterized in that it comprises at least one injector passing through a side wall of the cylinder, of which the fuel spray nozzle is disposed substantially facing a given area of the cavity, and an electronic control unit by which the injector is activated cyclically.
摘要翻译： PCT No.PCT / IT93 / 00035 Sec。 371日期：1993年12月23日 102（e）日期1993年12月23日PCT 1993年4月20日PCT PCT。出版物WO93 / 22545 日期：1月11日，1993年。一种二冲程内燃机，其类型包括呈现大致圆柱形形状的内腔的气缸，可滑动并同轴地容纳在空腔内的往复活塞，气缸盖连接到气缸的一端，其中向内指向的面提供与空腔连通的燃烧室，以及由气缸盖支撑的至少一个火花塞，其中点火电极朝向或占据燃烧室，其特征在于，其包括至少一个喷射器通过气缸的侧壁，其中燃料喷嘴基本上面向腔的给定区域，以及电子控制单元，喷射器通过该电子控制单元周期性地被激活。

16. 发明授权

US5377630A Multicylinder two-stroke engine intake manifold 失效
标题翻译：多缸二冲程发动机进气歧管
公开(公告)号：US5377630A
公开(公告)日：1995-01-03
申请号：US107831
申请日：1993-08-30
申请人： Christopher K. Schlunke , Kenneth P. Seeber , Rodney A. R. Houston , Christopher N. F. Sayer
发明人： Christopher K. Schlunke , Kenneth P. Seeber , Rodney A. R. Houston , Christopher N. F. Sayer
IPC分类号： F02B25/26 , F02B75/02 , F02M35/10 , F02M35/104 , F02B75/18
CPC分类号： F02M35/112 , F02B25/26 , F02M35/10078 , F02M35/10111 , F02M35/10124 , F02M35/1019 , F02M35/10275 , F02M35/10288 , F02B2075/025
摘要： A multicylinder two-stroke cycle internal combustion engine (10) comprises an individual crankcase cavity (18) for each cylinder to receive the incoming air charge for that cylinder and a cylinder block (11) with at least two cylinders having cooperating crankcase cavities (18) provided with valve controlled intake ports (19) in a common wall (31) of the cylinder block (11). An air induction manifold (25) is detachably mounted to the common wall (31) to form a single air induction cavity (27), at least part of which is formed within the cylinder block (11), and has a single main inlet port for regulation of air inflow to the induction cavity (27). Individual passages (33) communicating each crankcase cavity inlet port (19) with the air induction cavity (27) are formed in the manifold (25). Acceptable performance with limited increase in the overall physical dimensions of the engine (10) can thus be obtained.
摘要翻译： PCT No.PCT / AU92 / 00119 Sec。 371日期：1993年8月30日 102（e）日期1993年8月30日PCT 1991年3月20日PCT公布。公开号WO92 / 16726 多缸二冲程循环内燃机（10）包括用于每个气缸的单独的曲轴箱腔（18），用于接收该气缸的进入空气装料和具有至少两个的气缸体（11）具有配合的曲轴箱腔（18）的气缸在气缸体（11）的公共壁（31）中设置有阀控制的进气口（19）。一个空气进气歧管（25）可拆卸地安装在共用壁（31）上以形成一个单一的空气感应腔（27），其中至少一部分形成在气缸体（11）内，并且具有单个主入口用于调节到感应腔（27）的空气流入。在歧管（25）中形成有使每个曲轴箱空腔入口（19）与空气感应腔（27）连通的独立通道（33）。因此可以获得发动机（10）的整体物理尺寸有限增加的可接受的性能。

17. 发明授权

US5189995A Stepped piston engine 失效
标题翻译： STEPPED活塞发动机
公开(公告)号：US5189995A
公开(公告)日：1993-03-02
申请号：US768401
申请日：1991-10-16
申请人： Bernard Hooper
发明人： Bernard Hooper
IPC分类号： F02B1/04 , F02B3/06 , F02B25/26 , F02B33/14 , F02B75/02 , F02B75/18
CPC分类号： F02B25/26 , F02B33/14 , F02B1/04 , F02B2075/025 , F02B2075/1812 , F02B3/06
摘要： A stepped piston engine comprises first (10), second (11) and third (12) stepped cylinders, each cylinders (10,11,12) having a larger diameter pumping part (10p,11p,12p), and a smaller diameter working part (10w,11w,12w), and a piston (13,14,15) slidable in the cylinder, each piston (13,14,15) being coupled to an output shaft (16) of the engine, first transfer passage means (20) to transfer the precompressed charge from the larger diameter pumping part (10p) of the first cylinder (10) to the smaller diameter working part (11w) of the second cylinder (11), second transfer passage means (21), to transfer precompressed charge from the larger diameter pumping part (11p) of the second cylinder (11) to the smaller diameter working part (124) of the third cylinder (12), and third transfer passage means (22) to transfer precompressed charge from the larger diameter pumping part (12p) of the third cylinder (12) to the smaller diameter working part (10w) of the first cylinder (10).
摘要翻译： PCT No.PCT / GB90 / 00410 Sec。 371日期1991年10月16日 102（e）1991年10月16日PCT PCT 1990年3月19日PCT公布。出版物WO90 / 11436 日期为1990年10月4日。一台阶式活塞式发动机包括第一（10），第二（11）和第三（12）阶梯式气缸，每个气缸（10,11,12）具有较大直径的泵送部分（10p，11p，12p ）和较小直径的工作部分（10w，11w，12w）以及可在气缸中滑动的活塞（13,14,15），每个活塞（13,14,15）联接到输出轴（16）发动机，第一输送通道装置（20），用于将预压缩的载料从第一气缸（10）的较大直径的泵送部分（10p）传送到第二气缸（11）的较小直径的工作部分（11w）通过装置（21）将预压缩的电荷从第二气缸（11）的较大直径的泵送部分（11p）传送到第三气缸（12）的较小直径的工作部分（124），以及第三传送通道装置）将预压缩的电荷从第三气缸（12）的较大直径的泵送部分（12p）转移到第一气缸的较小直径的工作部分（10w） 10）。

18. 发明授权

US5033418A Pressurized carburetted mixture introduction device and method 失效
标题翻译：加压化油混合物引入装置及方法
公开(公告)号：US5033418A
公开(公告)日：1991-07-23
申请号：US363176
申请日：1989-06-08
申请人： Jean-Pierre Maissant , Jean-Luc Blanchard
发明人： Jean-Pierre Maissant , Jean-Luc Blanchard
IPC分类号： F02B13/00 , F02B25/26 , F02B75/02 , F02M69/08 , F02M69/10
CPC分类号： F02M69/08 , F02B13/00 , F02B25/26 , F02M69/10 , F02B2075/025
摘要： A method and device for introducing a carburetted mixture into a first cylinder of an internal combustion engine under pressure, this engine comprising at least one other cylinder with a pump crankcase, further comprising a connecting duct between the crankcase and the first cylinder, with an angular non zero shift between the cycle of each of the cylinders, and at least one of the gas transfer ports of said other cylinder is positioned so that a back-flow occurs therein during a part of the cycle.
摘要翻译：一种用于在压力下将化油混合物引入内燃机的第一气缸的方法和装置，该发动机包括至少一个具有泵曲轴箱的其它气缸，还包括在曲轴箱和第一气缸之间的连接管道，具有角度每个气缸的循环之间的非零位移和所述另一个气缸的至少一个气体传送口被定位成使得在循环的一部分期间发生回流。

19. 发明授权

US5000131A Exhaust port control valve for two stroke engine 失效
标题翻译：二冲程发动机排气口控制阀
公开(公告)号：US5000131A
公开(公告)日：1991-03-19
申请号：US470821
申请日：1990-01-26
申请人： Tatsuyuki Masuda
发明人： Tatsuyuki Masuda
IPC分类号： F02B25/18 , F02B1/04 , F02B3/06 , F02B25/20 , F02B25/26 , F02B61/02 , F02B75/02 , F02B75/16 , F02B75/18 , F02B75/20 , F02D13/02
CPC分类号： F02D13/0284 , F01L3/205 , F01L7/12 , F02B25/26 , F02B75/20 , F02B1/04 , F02B2075/025 , F02B2075/1812 , F02B3/06 , F02B61/02 , Y02T10/18
摘要： A two cycle crankcase compression diesel engine having a supplemental exhaust port system that is formed in a straight line perpendicular to the cylinder bores and which intersects the main exhaust ports. An exhaust control valve arrangement is provided for controlling the flow through the supplemental exhaust ports to reduce the compression ratio under high load, high speed running conditions. The supplemental exhaust control valves comprise a plurality of individual valves each contained within a common bore extending through the cylinder and interconnected by connecting members that permit axial and circumferential misalignment so as to accommodate for distortion and avoid sticking of the valves.

20. 发明授权

US4312308A Compression relief system for internal combustion engine 失效
标题翻译：内燃机减压系统
公开(公告)号：US4312308A
公开(公告)日：1982-01-26
申请号：US123331
申请日：1980-02-21
申请人： Gordon C. Slattery
发明人： Gordon C. Slattery
IPC分类号： F02B25/14 , F02B25/26 , F02B75/02 , F02B75/04 , F02B75/18 , F02D15/04 , F02B75/06
CPC分类号： F02B25/26 , F02B25/14 , F02B75/04 , F02D15/04 , F02B2075/025 , F02B2075/1808
摘要： This invention comprehends a two-cycle internal combustion engine using compression relief to provide a dual compression ratio. Compression relief ports above the exhaust ports of two cylinders firing 180 degrees out of phase connected by a relief passage. The passage is vented at its midpoint. At higher engine speeds exhaust flow, from the cylinder in its power stroke, through the relief passage, blocks the flow from the cylinder in its compression stroke.
摘要翻译：本发明包括使用压缩释放的双循环内燃机以提供双重压缩比。两个汽缸的排气口上方的压缩卸载口通过卸载通道相位180度异相连接。通道在其中点通风。在较高的发动机转速下，来自气缸的动力冲程中的排气流通过排放通道，在压缩行程中阻止气缸的流动。

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