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公开(公告)号：US5540200A
公开(公告)日：1996-07-30
申请号：US365639
申请日：1994-12-28
申请人： Ken Naitoh , Akihiro Iiyama , Satoshi Takeyama , Hiroko Hishinuma , Yasuo Takagi
发明人： Ken Naitoh , Akihiro Iiyama , Satoshi Takeyama , Hiroko Hishinuma , Yasuo Takagi
CPC分类号： F02M69/047 , F02M51/065 , F02M51/0678 , F02M61/06 , F02M61/1813 , F02M61/1826 , F02M61/1853 , F02B2275/14 , Y02T10/123
摘要： A fuel injection valve includes a valve body to which liquid to be injected is supplied. A nozzle tip is connected with an end portion of the valve body. A valve member is installed in the valve body to stop and start a supply of the liquid to the nozzle tip. The nozzle tip has first and second nozzle holes which are formed so that fluid injected through the first nozzle hole is collided with fluid injected through the second nozzle hole and that a ratio between a square root of a cross-sectional area of the first nozzle hole and a square root of a cross-sectional area of the second nozzle hole is within a range 1.25 to 3.5. Therefore, the collided fuel is effectively atomized as a result of a resonance phenomenon by the collision.
摘要翻译： 燃料喷射阀包括供给待注入液体的阀体。 喷嘴尖端与阀体的端部连接。 阀构件安装在阀体中以停止并开始向喷嘴头提供液体。 喷嘴头具有第一和第二喷嘴孔，其形成为使得通过第一喷嘴孔喷射的流体与通过第二喷嘴孔注入的流体相撞，并且第一喷嘴孔的横截面积的平方根之间的比率 第二喷嘴孔的横截面积的平方根在1.25〜3.5的范围内。 因此，由于碰撞的共振现象，碰撞燃料被有效地雾化。
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公开(公告)号：US5887568A
公开(公告)日：1999-03-30
申请号：US893717
申请日：1997-07-11
CPC分类号： F02P5/1502 , Y02T10/46
摘要： A predetermined firing delay time B.sub.1 is added to a value obtained by dividing a total gas weight Gcyl in a cylinder by an unburnt gas density basic value DENS and a laminar flow flame velocity basic value FLML. The value obtained by this calculation is unit converted and then set as a basic ignition timing for which a minimum ignition advance value or MBT is obtained. In this way, ignition timing control is optimized for various engine running conditions without preparing a plurality of maps.
摘要翻译： 将预定的点火延迟时间B1加到通过将气缸中的总气体重量Gcyl除以未燃气体密度基础值DENS和层流火焰速度基本值FLML而获得的值。 通过该计算获得的值被单位转换，然后设定为获得最小点火提前值或MBT的基本点火正时。 以这种方式，对于各种发动机运行条件，点火正时控制被优化，而不需要准备多个地图。
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公开(公告)号：US6138651A
公开(公告)日：2000-10-31
申请号：US228957
申请日：1999-01-12
IPC分类号： F02M25/07
摘要： An exhaust gas recirculation system for returning part of exhaust gas of an engine to an intake system has at least one EGR gas introduction port for directing the EGR gas into an intake air passage downstream of a throttle valve. The EGR introduction port opens, into the intake passage, in a tangential direction to produce a circumferential flow along an inside curved surface of the intake air passage around a central back flow region behind the throttle valve to mix the EGR gas efficiently with the fresh intake air and to prevent deposits on the throttle valve.
摘要翻译： 用于将发动机的排气的一部分返回到进气系统的排气再循环系统具有至少一个EGR气体引入口，用于将EGR气体引导到节流阀下游的进气通道中。 EGR引入口在切向方向上打开入口通道，沿着进气通道的内侧弯曲表面围绕节流阀后面的中央后部流动区域打开周向流动，以将EGR气体与新鲜进气口混合 空气和防止节流阀上的沉积物。
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公开(公告)号：US4964375A
公开(公告)日：1990-10-23
申请号：US280856
申请日：1988-12-07
申请人： Satoshi Takeyama , Yasuo Matsumoto
发明人： Satoshi Takeyama , Yasuo Matsumoto
CPC分类号： F02D13/0219 , F01L1/185 , F01L1/26 , F01L13/0015 , F01L13/0026 , F02B29/08 , F02B37/02 , F02D13/0246 , F02D13/0249 , F02D13/0257 , F02D13/0261 , F01L2001/188 , F01L2800/06 , F01L2820/032 , F02B2275/18 , F02D2013/0296 , F02F1/4214 , F02F2001/245 , Y02T10/144 , Y02T10/146 , Y02T10/18
摘要： A valve operating mechanism for an internal combustion engine having a plurality of exhaust valves per cylinder comprises a device for driving the exhaust valves in a same cylinder at such a valve timing that makes opening of the exhaust valves with a phase difference, i.e., at different timings relative to a crank angle. In one aspect of this invention, the exhaust valves open at the different times and close at the same time.
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