Supercharging apparatus for use in an internal combustion engine
    3.
    发明授权
    Supercharging apparatus for use in an internal combustion engine 失效
    用于内燃机的增压装置

    公开(公告)号:US5427078A

    公开(公告)日:1995-06-27

    申请号:US124476

    申请日:1993-09-22

    摘要: A supercharging apparatus for an internal combustion engine comprises an intake air passage communicating with a cylinder of an engine through an intake valve; a mechanical supercharger provided in the intake air passage; a variable valve timing mechanism for varying a closing timing of the intake valve with respect to a bottom dead center of an engine piston; a control unit for controlling the variable valve timing mechanism in accordance with an engine speed at least in a supercharging region wherein the mechanical supercharger is operative to supply supercharged air into the cylinder, in such a manner that the closing timing of the intake valve is switched between an advanced timing and a delayed timing; and an assist intake system for causing a dynamic supercharging effect in the intake air passage when the closing timing of the intake valve is switched to the delayed timing, thereby assisting the mechanical supercharger in a low engine operational region.

    摘要翻译: 用于内燃机的增压装置包括通过进气阀与发动机气缸连通的进气通道; 设置在进气通道中的机械增压器; 用于改变进气门相对于发动机活塞的下止点的关闭正时的可变气门正时机构; 控制单元,用于根据至少在增压区域中的发动机转速控制可变气门正时机构,其中机械增压器可操作以将增压空气供应到气缸中,使得进气门的关闭正时被切换 在高级定时和延迟定时之间; 以及辅助进气系统,用于当进气门的关闭正时被切换到延迟定时时,在进气通道中产生动态增压效果,从而辅助机械增压器处于低发动机工作区域。

    METHOD AND DEVICE FOR CONTROLLING SPARK-IGNITION DIRECT INJECTION ENGINE
    4.
    发明申请
    METHOD AND DEVICE FOR CONTROLLING SPARK-IGNITION DIRECT INJECTION ENGINE 有权
    用于控制火花点火直喷喷射发动机的方法和装置

    公开(公告)号:US20120111302A1

    公开(公告)日:2012-05-10

    申请号:US13284352

    申请日:2011-10-28

    IPC分类号: F02B3/02

    摘要: A method for controlling an engine includes, when the engine is operating within a particular range with comparatively low engine speed and high load, setting an effective compression ratio of 10:1 or above, retarding ignition timing by a predetermined amount and retarding the ignition timing within a first, relatively low engine speed range more than within a second, higher engine speed range, setting an injection mode of an injection valve to divided injections performed at least twice in a period from an intake stroke to an earlier-half stage of a compression stroke, performing, within the first engine speed range, a final injection in the earlier-half stage of the compression stroke, and performing, within the second engine speed range, the final injection in a late stage of the intake stroke and at least one injection other than the final injection in a middle stage of the intake stroke.

    摘要翻译: 一种发动机的控制方法,在发动机在比较低的发动机转速和高负载的特定范围内运转的情况下,设定10:1以上的有效压缩比,延迟点火正时预定量并延迟点火正时 在第一个相对较低的发动机转速范围内超过第二个更高的发动机转速范围内,将喷射阀的喷射模式设定为从进气冲程至前一阶段的至少两次执行的分离喷射 压缩冲程,在第一发动机转速范围内,在压缩冲程的前半阶段执行最终喷射,并且在第二发动机转速范围内,在进气冲程的后期执行最终喷射,并且至少 在进气冲程的中间阶段进行一次注射,而不是最后一次注射。

    MULTI-CYLINDER SPARK IGNITION ENGINE
    6.
    发明申请
    MULTI-CYLINDER SPARK IGNITION ENGINE 有权
    多缸喷气式点火发动机

    公开(公告)号:US20130152901A1

    公开(公告)日:2013-06-20

    申请号:US13818051

    申请日:2011-06-27

    IPC分类号: F02B75/04

    摘要: An engine has a geometric compression ratio of higher than 12, and includes an exhaust manifold, a variable exhaust valve timing mechanism, an ignition timing controller, and an effective compression ratio adjuster. The exhaust manifold has a plurality of branched exhaust passages connected to the respective exhaust ports of the individual cylinders; a plurality of first collector segments each of which joins the branched exhaust passages for the cylinders which are not adjacent in the exhaust order sequence; a plurality of middle exhaust passages connected to the downstream of the first collector segments, respectively; and a second collector segment that joins the middle exhaust passages. In at least low and middle speed ranges in a high load region of the engine, the effective compression ratio is set to have a value larger than 10 and the ignition timing is retarded, and the valve opening time of the exhaust valve is changed according to the engine speed so that a predetermined amount of a valve overlap period is ensured and that negative pressure waves from exhaust pressure pulses reach an exhaust port during the valve overlap period in a plurality of engine speed ranges. This effectively reduces knocking in low and middle speed ranges in a high load region of the engine while achieving high torque by keeping the compression ratio high.

    摘要翻译: 发动机具有高于12的几何压缩比,并且包括排气歧管,可变排气门正时机构,点火正时控制器和有效压缩比调节器。 排气歧管具有连接到各个气缸的相应排气口的多个分支排气通道; 多个第一收集器段,每个第一收集器段连接用于在排气顺序序列中不相邻的气缸的分支排气通道; 多个中间排气通道分别连接到第一收集器段的下游; 以及连接中间排气通道的第二收集器段。 在发动机的高负载区域的至少中低档范围内,有效压缩比设定为大于10,点火正时延迟,排气阀的开阀时间根据 发动机转速使得在多个发动机转速范围内在气门重叠期间确保预定量的气门重叠周期,并且来自排气压力脉冲的负压波到达排气口。 这有效地减少了发动机的高负荷区域的低速和中速范围的撞击,同时通过保持压缩比高达到高扭矩。

    Controller for supercharged engine
    7.
    发明授权
    Controller for supercharged engine 失效
    增压发动机控制器

    公开(公告)号:US5396874A

    公开(公告)日:1995-03-14

    申请号:US46272

    申请日:1993-04-14

    摘要: A controller for a supercharged engine includes a supercharger for supercharging intake air, an intercooler for cooling the intake air discharged from the supercharger, a valve timing varying device for varying valve timing so that an overlapping term, in which both intake and exhaust valves open, is longer when an engine speed is relatively high than when the engine speed is relatively low, and a controller for controlling the valve timing varying device so that when the overlapping term is short at relatively low speed of the engine, the intake valves close at a timing later than a timing at which the intake valves close when the overlapping term is long at relatively high speed of the engine.

    摘要翻译: 用于增压发动机的控制器包括用于对进气进行增压​​的增压器,用于冷却从增压器排出的进气的中间冷却器,用于改变气门正时的气门正时变化装置,使得进气门和排气门同时打开的重叠项, 当发动机转速比发动机转速相对较低时发动机转速相对较高时,时间越长;以及用于控制气门正时变化装置的控制器,使得当重叠项在发动机的相对较低的速度下短时,进气门关闭在 在重叠项在发动机的相对高的速度下长时,进气门关闭的时间的时间晚。

    Internal combustion engine
    10.
    发明授权
    Internal combustion engine 失效
    内燃机

    公开(公告)号:US5201907A

    公开(公告)日:1993-04-13

    申请号:US904475

    申请日:1992-06-25

    IPC分类号: F02B19/02 F02B75/02

    摘要: The engine is provided with an auxiliary chamber having an auxiliary chamber port with an opening communicated with the combustion chamber. The auxiliary chamber port is arranged to be opened or closed with an auxiliary chamber valve. The timing of closing the auxiliary chamber valve is in between a final stage of compression stroke in which the temperature within the cylinder becomes higher and an initial stage of explosion stroke. On the other hand, the timing of opening the auxiliary chamber valve is in a middle stage of the compression stroke, thereby allowing the mixed fuel cooled in the auxiliary chamber to be replaced with a portion of the mixed fuel in the combustion chamber, thereby lowering the temperature within the cylinder.