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    • 3. 发明公开
    • COOLING OF PRE-CHAMBER IN INTERNAL COMBUSTION ENGINE
    • KEHLUNG DER VORKAMMER在EINEM VERBRENNUNGSMOTOR
    • EP3051092A1
    • 2016-08-03
    • EP15153110.0
    • 2015-01-29
    • Caterpillar Energy Solutions GmbH
    • Schelle, Jörg
    • F01P3/16F02B19/10F02F1/40
    • F01P3/16F02B19/1009F02F1/40Y02T10/125
    • A pre-combustion chamber unit (57) that has a hollow shape elongated along a longitudinal axis (53) for providing a pre-combustion chamber (59) comprises a pre-combustion chamber wall (67) delimiting the pre-combustion chamber (59). The pre-combustion chamber wall (67) comprises a main section (67A) at least partly surrounding an ignition portion (59A) of the pre-combustion chamber (59), a tip section (67B) forming a pre-combustion chamber tip section (63) of the pre-combustion chamber assembly (50), and a seal section (67C) in-between the tip section (67B) and the main section (67A) for providing a seal region (73) in the mounted state. The main section (67A) comprises an external fluid guiding surface (81A) circumferentially extending around the longitudinal axis (53) and being curved along and towards the longitudinal axis (53) for smoothly redirecting a cooling fluid. Thereby the cooling may be improved.
    • 具有沿纵向轴线(53)延伸的用于提供预燃室(59)的中空形状的预燃烧室单元(57)包括限定预燃室(59)的预燃烧室壁(67) )。 所述预燃烧室壁(67)包括至少部分地围绕所述预燃烧室(59)的点火部分(59A)的主部分(67A),形成预燃烧室顶端部分的末端部分(67B) (60)的密封部(63)和位于前端部(67B)和主体部(67A)之间的密封部(67C),用于设置处于安装状态的密封区域(73)。 主部分(67A)包括围绕纵向轴线(53)周向延伸的外部流体引导表面(81A),并且沿着和纵向轴线(53)弯曲并平滑地重新定向冷却流体。 从而可以提高冷却。
    • 4. 发明公开
    • VEHICLE WATER JACKET
    • 汽车水夹克
    • EP3027873A1
    • 2016-06-08
    • EP14741641.6
    • 2014-07-22
    • Jaguar Land Rover Limited
    • JONES, StevePIERSON, StevenFRENCH, KevinMCNAB, Chris
    • F02F1/24F02F1/40
    • F01P7/14B60H1/04F01P3/02F01P3/14F01P3/16F01P2003/021F01P2007/146F02F1/242F02F1/40
    • A vehicle water jacket assembly includes a first water jacket portion establishing a plurality of first fluid channels that are situated to facilitate fluid movement along at least a first plane. A second water jacket portion is situated near the first water jacket portion. The second water jacket portion establishes a plurality of second fluid channels that are situated to facilitate fluid movement along at least a second plane that is generally parallel to the first plane. At least one connector portion establishes a plurality of connector fluid channels that are situated to facilitate fluid movement between at least one of the first fluid channels and at least one of the second fluid channels along a direction that is transverse to the first and second planes.
    • 车辆水套组件包括第一水套部分,所述第一水套部分建立多个第一流体通道,所述第一流体通道被定位为便于沿至少第一平面的流体移动。 第二水套部分位于第一水套部分附近。 第二水套部分建立多个第二流体通道,所述多个第二流体通道设置成便于流体沿着大致平行于第一平面的至少第二平面移动。 至少一个连接器部分建立多个连接器流体通道,所述多个连接器流体通道位于便于在第一流体通道中的至少一个和第二流体通道中的至少一个第二流体通道之间沿横向于第一和第二平面的方向流体运动。
    • 10. 发明公开
    • GAS ENGINE WITH BORE COOL HOLES HAVING SPARK PLUG
    • GASMOTOR MITKÜHLUNGSBOHRUNGENMIT EINERZÜNDKERZE
    • EP2372142A4
    • 2017-06-28
    • EP09835020
    • 2009-12-25
    • MITSUBISHI HEAVY IND LTD
    • ISHIDA MICHIYASUOKUMURA HIDEAKI
    • F02P13/00F01P3/02F01P3/16F02B19/10F02B19/12F02B19/18F02F1/24F02F1/36H01T13/54
    • F02B19/1014F01P3/16F02B19/18F02F1/243F02P13/00H01T13/54Y02T10/125
    • Provided is a check valve structure capable of preventing soot accumulation in a check valve arranged in a pre-combustion chamber (4) due to incomplete combustion of fuel gas and preventing malfunction the check valve (6) for a gas engine having an pre-combustion chamber with a spark plug. An arrangement for supplying fuel gas to the pre-combustion chamber (4) has a multiple bore-cooling holes (11s) disposed around the spark plug (10) for cooling a gasket (10f) formed in a mounting hardware piece (13), the holes having an lateral bore-cooling hole (11a), and a lateral bore-cooling hole (11b) with the gasket (10f) therebetween. Each of the holes further has a multiple bore-cooling holes (11s) parallel to the center axis (10a) of the spark plug. The mounting hardware piece (13) further has a check valve (6) communicating with a fuel gas inlet slot (5) between the lateral bore-cooling hole (11a)(inlet side) and the lateral bore-cooling hole (11b) (outlet side) for cooling water so that the check valve is cooled. A first check valve (22s) is provided upstream of a fuel gas inlet location (the junction) (14s) of the mounting hardware piece (13) with respect to the fuel flow to prevent reversed flow of fuel gas.
    • 本发明提供一种止回阀结构,该止回阀结构能够防止由于燃料气体的不完全燃烧而导致设置在预燃室(4)中的止回阀中积碳,并防止具有预燃烧的燃气发动机的止回阀(6) 与火花塞的房间。 用于向燃烧室(4)供应燃料气体的装置具有布置在火花塞(10)周围的多个孔冷却孔(11s),用于冷却形成在安装硬件件(13)中的垫圈(10f) 所述孔具有横向孔冷却孔(11a)以及其间具有垫圈(10f)的侧向孔冷却孔(11b)。 每个孔还具有平行于火花塞的中心轴线(10a)的多个钻孔冷却孔(11s)。 安装配件(13)还具有止回阀(6),该止回阀与侧向孔冷却孔(11a)(入口侧)和侧向孔冷却孔(11b)之间的燃料气体入口槽(5) 出口侧)用于冷却水,使得止回阀冷却。 第一止回阀(22s)设置在安装硬件件(13)的燃料气体入口位置(接头)(14s)的上游相对于燃料流的位置,以防止燃料气体的反向流动。