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    • 3. 发明授权
    • Controller for internal combustion engine
    • 内燃机控制器
    • US09109524B2
    • 2015-08-18
    • US13894898
    • 2013-05-15
    • Shigemichi UjiieYu TamuraToshitake SasakiIkuo AndoTsukasa Abe
    • Shigemichi UjiieYu TamuraToshitake SasakiIkuo AndoTsukasa Abe
    • F02D41/22F02D41/30F02D41/14F02D41/00F02D41/06
    • F02D41/0085F02D41/005F02D41/0055F02D41/062F02D41/1498F02D41/22F02D41/30Y02T10/47
    • A controller for internal combustion engine includes a rotation number detecting section to detect engine rotation number and an air-fuel ratio detecting section to detect an air-fuel ratio (A/F) of air-fuel mixture and is configured to perform leaning control of the A/F. The controller further includes a rotation number difference calculating section to calculate a difference between a rotation number variation value of a worst cylinder specified as having largest rotation number variation based on the detected rotation number detected and an average value of rotation number variation values of remaining cylinders other than the worst cylinder; an estimated imbalance rate calculating section to calculate an estimated imbalance rate based on the A/F detected by the air-fuel ratio detecting section; and a lean abnormality detecting section to detect lean imbalance abnormality in a specific cylinder based on the calculated rotation number difference and the calculated estimated imbalance rate.
    • 内燃机的控制装置具备检测发动机转数的转数检测部和检测空燃混合气的空燃比(A / F)的空燃比检测部,构成为进行倾斜控制 A / F。 控制器还包括转数差计算部分,用于根据检测到的检测到的旋转数量和剩余气缸的旋转数变化值的平均值来计算指定为具有最大转数变化的最差汽缸的转数变化值之间的差 除了最差的气缸; 估计的不平衡率计算部,其基于由所述空燃比检测部检测出的A / F来计算估计的不平衡率; 以及精密异常检测部,其基于所计算的转数差和所计算出的估计的不平衡率来检测特定气缸中的不平衡异常。
    • 5. 发明申请
    • CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE
    • 车辆的控制装置和控制方法
    • US20140288801A1
    • 2014-09-25
    • US14220503
    • 2014-03-20
    • Toshitake Sasaki
    • Toshitake Sasaki
    • F02D41/00
    • F02D41/0065F02D41/221F02D2041/0067F02M25/089F02M26/15F02M26/28F02M26/49Y02T10/47
    • A vehicle includes: an exhaust gas recirculation system in an internal combustion engine for recirculating part of exhaust gas to an intake passage of the internal combustion engine via a recirculation valve; and a cooling device for cooling recirculated gas, recirculated by the exhaust gas recirculation system, with refrigerant. An engine ECU informs a failure of the cooling device with a display unit when a cooling efficiency for cooling the recirculated gas, determined on the basis of a state value of the recirculated gas, becomes lower than a first determination value. The engine ECU additionally controls an opening degree of the recirculation valve such that an amount of the recirculated gas is reduced when the cooling efficiency for cooling the recirculated gas, determined on the basis of the state value of the recirculated gas, becomes lower than a second determination value lower than the first determination value.
    • 车辆包括:内燃机中的废气再循环系统,用于经由再循环阀将废气的一部分再循环到内燃机的进气通道; 以及用于冷却由排气再循环系统再循环的再循环气体与制冷剂的冷却装置。 当基于再循环气体的状态值确定的用于冷却再循环气体的冷却效率变得低于第一判定值时,发动机ECU通过显示单元通知冷却装置的故障。 发动机ECU另外控制再循环阀的开度,使得当基于再循环气体的状态值确定的用于冷却再循环气体的冷却效率变得低于第二个循环时,再循环气体的量减少 确定值低于第一确定值。
    • 7. 发明授权
    • Exhaust heat recovery system
    • 废热回收系统
    • US07178332B2
    • 2007-02-20
    • US11075940
    • 2005-03-10
    • Toshitake Sasaki
    • Toshitake Sasaki
    • F01N3/02
    • H01L35/30F01N3/2013F01N5/025F28D15/0266F28D15/0275F28D21/0003F28F1/12Y02T10/16Y02T10/26
    • In an exhaust heat recovery system, electric power generation efficiency of a thermoelectric conversion element can be improved, and warming-up of a catalyst can be completed early, without using a complicated device. The exhaust heat recovery system according to the invention includes an exhaust pipe in which exhaust gas discharged from an internal combustion engine flows; a catalyst which purifies the exhaust gas; a heat recovery portion which is fitted to the exhaust pipe, and which recovers heat contained in the exhaust gas; a thermoelectric conversion element which generates electric power using thermoelectric conversion; and a heat pipe which connects the heat recovery portion to the thermoelectric conversion element, and which transfers the heat recovered in the heat recovery portion to the thermoelectric conversion element. An operation starting temperature of the heat pipe is set so as to be higher than an activation temperature of the catalyst.
    • 在废热回收系统中,可以提高热电转换元件的发电效率,并且可以在不使用复杂的装置的情况下尽早完成催化剂的预热。 根据本发明的废热回收系统包括:排气管,其中从内燃机排出的废气流动; 净化废气的催化剂; 热回收部,其安装在排气管上,回收废气中所含的热量; 使用热电转换产生电力的热电转换元件; 以及将热回收部连接到热电转换元件并将热回收部中回收的热量传递到热电转换元件的热管。 将热管的操作开始温度设定为高于催化剂的活化温度。
    • 8. 发明申请
    • Exhaust heat recovery system
    • 废热回收系统
    • US20050204733A1
    • 2005-09-22
    • US11075940
    • 2005-03-10
    • Toshitake Sasaki
    • Toshitake Sasaki
    • F01N3/00F01N3/02F01N3/20F01N3/24F01N5/02
    • H01L35/30F01N3/2013F01N5/025F28D15/0266F28D15/0275F28D21/0003F28F1/12Y02T10/16Y02T10/26
    • In an exhaust heat recovery system, electric power generation efficiency of a thermoelectric conversion element can be improved, and warming-up of a catalyst can be completed early, without using a complicated device. The exhaust heat recovery system according to the invention includes an exhaust pipe in which exhaust gas discharged from an internal combustion engine flows; a catalyst which purifies the exhaust gas; a heat recovery portion which is fitted to the exhaust pipe, and which recovers heat contained in the exhaust gas; a thermoelectric conversion element which generates electric power using thermoelectric conversion; and a heat pipe which connects the heat recovery portion to the thermoelectric conversion element, and which transfers the heat recovered in the heat recovery portion to the thermoelectric conversion element. An operation starting temperature of the heat pipe is set so as to be higher than an activation temperature of the catalyst.
    • 在废热回收系统中,可以提高热电转换元件的发电效率,并且可以在不使用复杂的装置的情况下尽早完成催化剂的预热。 根据本发明的废热回收系统包括:排气管,其中从内燃机排出的废气流动; 净化废气的催化剂; 热回收部,其安装在排气管上,回收废气中所含的热量; 使用热电转换产生电力的热电转换元件; 以及将热回收部连接到热电转换元件并将热回收部中回收的热量传递到热电转换元件的热管。 将热管的操作开始温度设定为高于催化剂的活化温度。
    • 10. 发明授权
    • Exhaust emission control system
    • 废气排放控制系统
    • US07467513B2
    • 2008-12-23
    • US10957725
    • 2004-10-05
    • Toshitake SasakiKiyohito Murata
    • Toshitake SasakiKiyohito Murata
    • F01N3/02
    • F01N11/00F01N3/02F01N3/0205F01N3/20F01N5/025F01N2240/04H01L35/00Y02T10/16Y02T10/20Y02T10/47
    • An exhaust emission control system.A generator has a thermoelectric conversion element for achieving thermoelectric conversion by making use of heat of exhaust gas. An exhaust purifying catalyst disposed in the generator or on the exhaust downstream side of the generator, and a heat conduction varying device make heat conduction from the exhaust gas to the thermoelectric conversion element variable between a high conduction state and a low conduction state. When a temperature of the exhaust purifying catalyst is higher than a predetermined temperature, the heat conduction varying device varies the heat conduction from the exhaust gas to the thermoelectric conversion element into the high conduction state. This permits the system to efficiently re-collect thermal energy from the exhaust gas and convert it into electric energy, without increase in a time to arrival of the exhaust purifying catalyst at an activation temperature thereof.
    • 废气排放控制系统。 发电机具有通过利用排气热实现热电转换的热电转换元件。 设置在发电机或发电机的排气下游侧的排气净化催化剂,以及导热变更装置,使得从排气​​到热电转换元件的热传导在高导通状态和低导通状态之间变化。 当排气净化催化剂的温度高于预定温度时,热传导改变装置将从排气到热电转换元件的热传导改变为高导通状态。 这允许系统有效地从废气中再次收集热能并将其转化为电能,而不会在排气净化催化剂到达其活化温度的时间内增加。