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2. 发明公开

EP2975237A1 PRE-CHAMBER BOTTOM SECTION, PRE-CHAMBER, CYLINDER DEVICE, METHOD FOR MIXING OF GAS AND AIR AND IGNITION OF THE GAS-AIR -MIXTURE IN A PRE-CHAMBER AND A METHOD FOR SUBSTITUTING A PRE-CHAMBER 失效
标题翻译： VORKAMMERBODENABSCHNITT，PRE室，汽缸装置，一种用于在PRE室更换PRE室内的气体与空气和燃气 - 空气混合物的发放的混合与方法
公开(公告)号：EP2975237A1
公开(公告)日：2016-01-20
申请号：EP15176221.8
申请日：2015-07-10
申请人： Winterthur Gas & Diesel Ltd.
发明人： Ott, Marcel , Nylund, Ingemar , Lusti, Hans-Rudolf , Hattar, Christer
IPC分类号： F02B19/08 , F02B19/10 , F02B19/16
CPC分类号： F02B19/08 , F02B19/1014 , F02B19/1095 , F02B19/16 , Y02T10/125
摘要： A pre-chamber bottom section (1) for a pre-chamber of a cylinder of an internal combustion engine comprises an ignition chamber lower part (2) with a vertical axis (3) for mixing of gas and air and igniting the gas-air-mixture in a pre-chamber. The pre-chamber bottom section further comprises a duct (4) for connecting the ignition chamber lower part (2) with a main combustion chamber of the cylinder, wherein the duct (4) comprises at least one duct longitudinal axis (5). An inlet opening (6) of the duct (4) to the ignition chamber lower part (2) is formed such that the vertical axis (3) has an inclination (A) relative to the duct longitudinal axis (5), and the inlet opening (6) is arranged eccentrically, such that a tumble flow motion is formable in an ignition chamber. The duct (4) comprises at least one, preferably exactly one, outlet opening (7) which is arranged such that a gas-air mixture beam or gas-air mixture beams are formable being asymmetrically distributed relative to the vertical axis (3). Edges (8) at the inlet opening (6) are designed as soft edges.
摘要翻译：用于具有垂直轴（3）的内燃机点火室包括下部（2）的气缸的预燃室的预燃室底部区段（1），用于气体和空气的混合和点燃气体 - 空气 - 混合物在一个预燃室。预燃室底部部分还包括一个管（4），用于所述点火室下部（2）与所述气缸的主燃烧室连接，worin所述管道（4）包括至少一个管道纵轴线（5）。管道到入口开口（6）（4）到点火室下部（2）形成检查所做的垂直轴（3）具有（A）相对倾斜于导管纵向轴线（5），并且入口开口（6）偏心地设置，测试做了滚流运动是在点火室成形的。所述管道（4）包括至少一个，优选正好一个出口开口（7）的所有其布置搜索做了气体 - 空气混合物束或气体 - 空气混合物光束成形是不对称分布相对于垂直轴（3）。边缘（8）在所述入口开口（6）被设计为软边缘。

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