会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 15. 发明授权
    • Control device and control method for lean-burn engine
    • 稀燃发动机的控制装置和控制方法
    • US5813386A
    • 1998-09-29
    • US825335
    • 1997-03-28
    • Kojiro OkadaKazuhide TogaiMasaji Ishida
    • Kojiro OkadaKazuhide TogaiMasaji Ishida
    • F02D37/02F02D41/14F02D41/30F02D43/04
    • F02D41/1475F02D37/02F02D41/3011F02D41/1456F02D41/307
    • A control device of a lean-burn engine has an electronic control unit. Upon start of switching from stoichiometric driving to lean driving, the control unit (10) derives, from a map, a target pressure (P0) and a basic opening degree (D0) of an idling speed control valve, serving as an air bypass valve, based on the throttle opening degree (TPS) and the engine rotation speed (Ne) at the start of the switching. The control unit supplies driving pulses (N) of a number corresponding to the basic opening degree (D0) to a stepper motor (32) of the idling speed control valve. Then, the control unit supplies the stepper motor with driving pulses of a number corresponding to an opening degree correction amount (D1) which in turn corresponds to a deviation between the target intake pressure (P0) and an actual intake pressure (PB), to thereby suppress a change in the torque at the time of switching between the rich driving, including the stoichiometric driving, and the lean driving of the lean-burn engine.
    • 稀燃发动机的控制装置具有电子控制单元。 从开始从化学计量驱动切换到稀薄驱动时,控制单元(10)从地图导出作为空气旁通阀的空转速度控制阀的目标压力(P0)和基本开度(D0) ,基于在切换开始时的节气门开度(TPS)和发动机转速(Ne)。 控制单元将与基本开度(D0)相对应的数字的驱动脉冲(N)提供给怠速控制阀的步进电动机(32)。 然后,控制单元向步进电动机提供对应于与目标进气压力(P0)和实际进气压力(PB)之间的偏差相对应的开度修正量(D1)的数量的驱动脉冲, 从而抑制在包括理论空燃比的丰富驾驶与稀薄燃烧发动机的稀薄驱动之间切换时的转矩变化。
    • 17. 发明授权
    • Control device and control method for lean-burn engine
    • 稀燃发动机的控制装置和控制方法
    • US5778856A
    • 1998-07-14
    • US501050
    • 1995-09-28
    • Kojiro OkadaKazuhide TogaiMasaji Ishida
    • Kojiro OkadaKazuhide TogaiMasaji Ishida
    • F02D37/02F02D41/14F02D41/30F02D41/04F02D43/04
    • F02D41/1475F02D37/02F02D41/3011F02D41/1456F02D41/307
    • A control device of a lean-burn engine has an electronic control unit. Upon start of switching from stoichiometric driving to lean driving, the control unit (10) derives, from a map, a target pressure (P0) and a basic opening degree (D0) of an idling speed control valve, serving as an air bypass valve, based on the throttle opening degree (TPS) and the engine rotation speed (Ne) at the start of the switching. The control unit supplies driving pulses (N) of a number corresponding to the basic opening degree (D0) to a stepper motor (32) of the idling speed control valve. Then, the control unit supplies the stepper motor with driving pulses of a number corresponding to an opening degree correction amount (D1) which in turn corresponds to a deviation between the target intake pressure (P0) and an actual intake pressure (PB), to thereby suppress a change in the torque at the time of switching between the rich driving, including the stoichiometric driving, and the lean driving of the lean-burn engine.
    • PCT No.PCT / JP94 / 02270 Sec。 371 1995年9月28日第 102(e)1995年9月28日PCT PCT 1994年12月27日PCT公布。 WO95 / 18298 PCT出版物 日期:1995年7月6日,稀燃型发动机的控制装置具有电子控制单元。 从开始从化学计量驱动切换到稀薄驱动时,控制单元(10)从地图导出作为空气旁通阀的空转速度控制阀的目标压力(P0)和基本开度(D0) ,基于在切换开始时的节气门开度(TPS)和发动机转速(Ne)。 控制单元将与基本开度(D0)相对应的数字的驱动脉冲(N)提供给怠速控制阀的步进电动机(32)。 然后,控制单元向步进电动机提供对应于与目标进气压力(P0)和实际进气压力(PB)之间的偏差相对应的开度修正量(D1)的数量的驱动脉冲, 从而抑制在包括理论空燃比的丰富驾驶与稀薄燃烧发动机的稀薄驱动之间切换时的转矩变化。
    • 19. 发明申请
    • Exhaust gas purifying apparatus
    • 废气净化装置
    • US20060228274A1
    • 2006-10-12
    • US11398568
    • 2006-04-06
    • Kojiro Okada
    • Kojiro Okada
    • B01D50/00
    • F01N3/2828B01D53/945B01D53/9454B01D2255/902F01N13/0097F01N2330/48F01N2510/06Y02T10/22
    • An exhaust gas purifying apparatus includes a casing provided at an exhaust path of an internal combustion engine, and plural carriers arranged in the casing from an inlet side of an exhaust gas to an outlet side and connected to each other through gap portions. The carrier includes through holes in which the exhaust gas flows and a carrier wall to partition the though holes and to carry a catalyst to purify the exhaust gas. A thickness of a coating layer of a rear catalyst carried by the carrier on the outlet side is set to be larger than a thickness of a coating layer of a front catalyst carried by the carrier on the inlet side. An opening area of the carrier carrying the catalyst on the outlet side is set to be smaller than an opening area of a carrier carrying the catalyst on the inlet side.
    • 一种排气净化装置,其具备设置在内燃机的排气路径上的壳体和从排气入口侧到出口侧配置在壳体内的多个载体,并且通过间隙部彼此连接。 载体包括排气流过的通孔和承载壁以分隔通孔并携带催化剂以净化废气。 由载体在出口侧承载的后催化剂的涂层的厚度设定为大于由载体在入口侧承载的前催化剂的涂层的厚度。 在出口侧承载催化剂的载体的开口面积被设定为小于在入口侧承载催化剂的载体的开口面积。