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1.发明公开EXHAUST VALVE ASSEMBLY FOR A TWO-STROKE INTERNAL COMBUSTION ENGINE AND METHOD FOR CLEANING SAME 审中-公开用于两冲程内燃机的排气阀组件及清洁方法
公开(公告)号：EP3199787A1
公开(公告)日：2017-08-02
申请号：EP17153728.5
申请日：2017-01-30
发明人： MATHEIS, Andreas , DOPPELBAUER, Markus , SCHALLAUER, Martin , BERGER, Christian , ROLAND, Gunther
CPC分类号： F01L3/20 , F01L1/02 , F01L1/38 , F01L3/205 , F01L5/20 , F02B25/20 , F02B33/04 , F02B75/02 , F02B77/04 , F02B2075/025 , F02D13/0284 , F02D2013/0288 , Y02T10/18
摘要： An exhaust valve assembly for a two-stroke internal combustion engine has a valve actuator, and a two-part valve having a primary and secondary valves defining first and second decompression passages respectively. The primary valve is operatively connected to the valve actuator. The primary valve is in first, second and third primary valve positions when the valve actuator is in first, second and third actuator positions respectively. The secondary valve is in a first secondary valve position when the valve actuator is in the first or the second actuator position and in a second secondary valve position when the valve actuator is in the third actuator position. The first and second valve decompression passages fluidly communicate with each other when the valve actuator is in the second actuator position, and are fluidly separate from each other when the valve actuator is the first or the third actuator position.
摘要翻译： 用于二冲程内燃机的排气阀组件具有阀门致动器和具有分别限定第一减压通道和第二减压通道的主阀和辅助阀的两部分阀。 主阀可操作地连接到阀门致动器。 当阀门致动器分别位于第一，第二和第三致动器位置时，主阀处于第一，第二和第三主阀位置。 当阀门致动器处于第一或第二致动器位置时，次阀门处于第一次阀门位置，当阀门致动器处于第三致动器位置时，次阀门处于第二次阀门位置。 当阀门致动器处于第二致动器位置时，第一和第二阀门减压通道彼此流体连通，并且当阀门致动器处于第一或第三致动器位置时彼此流体地分离。
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公开(公告)号：EP3199787B1
公开(公告)日：2019-02-13
申请号：EP17153728.5
申请日：2017-01-30
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公开(公告)号：EP3486449A1
公开(公告)日：2019-05-22
申请号：EP18214143.2
申请日：2017-01-30
发明人： MATHEIS, Andreas , DOPPELBAUER, Markus , SCHALLAUER, Martin , BERGER, Christian , ROLAND, Gunther
摘要： A method for cleaning an exhaust valve (100) of a two-stroke internal combustion engine (10) comprising: requesting (206) an exhaust valve cleaning cycle if at least one of a first condition and a second condition is satisfied; initiating (212) the exhaust valve cleaning cycle if at least one of a third condition and a fourth condition is satisfied; and aborting (218) the exhaust valve cleaning cycle if at least one of the at least one of the third and fourth conditions is no longer satisfied; the first condition (202) being a time elapsed since a previous cleaning cycle has been completed being greated than a predetermined time; the second condition (204) being a rate of opening of the exhaust valve being less than predetermined rate; the third condition (208,214) being a throttle valve being closed; and the fourth condition (210,216) being an engine speed being less than a predetermined engine speed.
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4.发明公开
公开(公告)号：EP3375590A1
公开(公告)日：2018-09-19
申请号：EP17161925.7
申请日：2017-03-20
IPC分类号： B29C45/26 , B29C45/00 , F02M35/10 , F02M35/104
CPC分类号： F02M35/104 , B29C45/006 , B29C45/2614 , B29C45/2673 , B29C65/06 , B29L2031/7492 , F02M35/10072 , F02M35/10216 , F02M35/10347 , F02M35/1036 , F02M35/112
摘要： A family of manifolds for a family of engines. A first and second engine respectively have a first and second number of cylinders. The second number is at least one and smaller than the first number. Each manifold has a plenum chamber and an inlet. The first and second manifolds respectively have the first and second number of outlets, each connected to one of a first number of runner passages. The first manifold is manufactured by inserting an outlet insert for forming at least one of the first number of outlets into a first or second mold, forming a first portion thereof using the first mold, forming a second portion thereof using the second mold, and connecting the portions. The second manifold is manufactured by forming a first portion thereof using the first mold, forming a second portion thereof using the second mold, and connecting the portions. The second intake manifold being configured for the second engine and comprising a second number of outlets being fluidly connected to a corresponding one of the first number of intake runner passages and being configured for fluid connection to a corresponding one of the second number of cylinders, at least one of the first number of intake runner passages of the second intake manifold not being fluidly connected to any one of the second number of outlets of the second intake manifold.
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