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    Control device for engine
    1.
    发明授权
    Control device for engine 有权
    发动机控制装置

    公开(公告)号：US08290685B2

    公开(公告)日：2012-10-16

    申请号：US12920558

    申请日：2009-07-24

    Applicant: Shiro Yamaoka ,  Yoshihiro Sukegawa ,  Noboru Tokuyasu ,  Hiroaki Hoshika ,  Daisuke Terada

    Inventor： Shiro Yamaoka ,  Yoshihiro Sukegawa ,  Noboru Tokuyasu ,  Hiroaki Hoshika ,  Daisuke Terada

    IPC: F02D41/00 ,  F01N3/00

    CPC classification number: F02D41/0245 ,  F01N3/021 ,  F01N3/10 ,  F01N2560/07 ,  F02D41/027 ,  F02D41/1445 ,  F02D41/1446 ,  F02D41/1447 ,  F02D41/187 ,  F02D41/222 ,  F02D2400/08 ,  Y02T10/26

    Abstract: A control device for an engine, capable of accurately estimating the quantity of exhaust heat from the engine and performing engine control which improves the exhaust quality and fuel consumption of the engine in various operating conditions thereof, by using the accurate estimated value of the quantity of exhaust heat. A control device for an engine is provided with an exhaust flow rate sensor for directly sensing the flow rate of exhaust gas discharged from the engine, an exhaust temperature estimating device for sensing or estimating the temperature of the exhaust gas discharged from the engine, and an exhaust heat quantity estimating device for estimating, based on an output of the exhaust flow rate sensor and an output of the exhaust temperature estimating device, the quantity of heat of the exhaust gas discharged from the engine.

    Abstract translation: 一种用于发动机的控制装置，其能够精确地估计来自发动机的排气量并执行发动机控制，其通过使用发动机的各种操作条件的精确估计值来提高发动机的各种运行条件下的排气质量和燃料消耗 排气热。 一种用于发动机的控制装置设置有用于直接感测从发动机排出的废气的流量的排气流量传感器，用于感测或估计从发动机排出的废气的温度的排气温度估计装置，以及 排气热量估计装置，用于基于排气流量传感器的输出和排气温度推定装置的输出，估计从发动机排出的废气的热量。

    Exhaust gas recirculation system
    2.
    发明授权
    Exhaust gas recirculation system 失效
    废气再循环系统

    公开(公告)号：US07681560B2

    公开(公告)日：2010-03-23

    申请号：US11943047

    申请日：2007-11-20

    Applicant: Shiro Yamaoka ,  Eiichiro Ohata ,  Jun Kubo ,  Noboru Tokuyasu ,  Toshiki Otsuki ,  Hiroaki Hoshika

    Inventor： Shiro Yamaoka ,  Eiichiro Ohata ,  Jun Kubo ,  Noboru Tokuyasu ,  Toshiki Otsuki ,  Hiroaki Hoshika

    IPC: F02M25/07 ,  F02D21/08

    CPC classification number: F02D41/005 ,  F02B29/0406 ,  F02B2275/14 ,  F02D2041/0075 ,  F02M26/05 ,  F02M26/06 ,  F02M26/28 ,  F02M26/35 ,  F02M26/47 ,  F02M26/49 ,  Y02T10/47

    Abstract: The present invention prevents an EGR sensor installed in an engine's EGR path from being soiled by soiling substances in exhaust. A catalyst is positioned upstream of the EGR sensor to purify the soiling substances in EGR gas. The status of the EGR sensor is properly controlled in accordance with the conditions of the catalyst. This ensures the EGR sensor is less likely to be affected by the soiling substances in the exhaust under any circumstances of the EGR path and allows the EGR sensor to avoid a decrease in the accuracy of EGR gas detection. An alternative configuration may be employed such that the EGR gas recirculates from the downstream side of a catalyst installed in a main exhaust path.

    Abstract translation: 本发明防止了安装在发动机EGR通路中的EGR传感器被污染排气中的物质所污染。 催化剂位于EGR传感器的上游，以净化EGR气体中的污物。 根据催化剂的条件适当地控制EGR传感器的状态。 这确保EGR传感器在EGR路径的任何情况下不太可能受到排气中的污染物质的影响，并且允许EGR传感器避免EGR气体检测的精度的降低。 可以采用替代配置，使得EGR气体从安装在主排气路径中的催化剂的下游侧再循环。

    Thermal type gas flowmeter
    3.
    发明授权
    Thermal type gas flowmeter 失效
    热式气体流量计

    公开(公告)号：US07552633B2

    公开(公告)日：2009-06-30

    申请号：US11829443

    申请日：2007-07-27

    Applicant: Noboru Tokuyasu ,  Hiroaki Hoshika ,  Kaori Kashio ,  Mituharu Osaka ,  Toshiki Ohtsuki ,  Yoshihiro Sukegawa

    Inventor： Noboru Tokuyasu ,  Hiroaki Hoshika ,  Kaori Kashio ,  Mituharu Osaka ,  Toshiki Ohtsuki ,  Yoshihiro Sukegawa

    IPC: G01F1/68

    CPC classification number: G01F1/69 ,  F02D41/187 ,  F02M26/47 ,  F02M2026/003 ,  G01F1/692 ,  G01F1/696 ,  G01F1/699

    Abstract: A thermal type gas flowmeter comprising a sensor element which, in turn, comprises at least one first heating resistor, two or more resistors in fluid and a second heating resistor which is disposed between the first heating resistor and a housing supporting the sensor element. The first and second heating resistors are electrically independent from each other. A temperature sensing unit is provided between the first and second heating resistors. A temperature of the first or second heating resistor is controlled by a temperature sensed by the temperature sensing unit.

    Abstract translation: 一种热式气体流量计，其包括传感器元件，传感器元件又包括至少一个第一加热电阻器，流体中的两个或更多个电阻器和设置在第一加热电阻器和支撑传感器元件的壳体之间的第二加热电阻器。 第一和第二加热电阻器彼此电独立。 温度检测单元设置在第一和第二加热电阻之间。 第一或第二加热电阻器的温度由温度检测单元感测的温度控制。

    ENGINE CONTROL SYSTEM AND CONTROL METHOD THEREOF
    4.
    发明申请
    ENGINE CONTROL SYSTEM AND CONTROL METHOD THEREOF 有权
    发动机控制系统及其控制方法

    公开(公告)号：US20090143959A1

    公开(公告)日：2009-06-04

    申请号：US12277888

    申请日：2008-11-25

    Applicant: Shiro YAMAOKA ,  Yoshihiro Sukegawa ,  Noboru Tokuyasu ,  Hiroaki Hoshika ,  Kaori Kashio

    Inventor： Shiro YAMAOKA ,  Yoshihiro Sukegawa ,  Noboru Tokuyasu ,  Hiroaki Hoshika ,  Kaori Kashio

    IPC: F02D41/00

    CPC classification number: F02D41/0002 ,  F02D41/0072 ,  F02D41/18 ,  F02D41/222 ,  F02D41/3035 ,  F02D41/3076 ,  F02D2041/0075 ,  F02D2200/0406 ,  F02D2400/08 ,  F02M26/05 ,  F02M26/06 ,  F02M26/28 ,  F02M26/47 ,  Y02T10/42 ,  Y02T10/47

    Abstract: An engine that re-circulates its exhaust gas suffers decreased accuracy in estimating an EGR rate real-time especially while the operating state of the engine is in a transitional state, which often results in torque fluctuations and deteriorated exhaust gas.A sensor for directly detecting an EGR flow rate is disposed in an EGR path. An EGR rate and in-cylinder oxygen concentration are calculated from the output value of that sensor. In addition, when this EGR rate calculation method is used, the calculation is properly switched between a steady operation state characterized by a low load and small rotational fluctuations and a transitional operating state including the acceleration and deceleration. This makes it possible to correctly estimate the EGR rate and the in-cylinder oxygen concentration under a wide range of engine operation conditions, and thereby to avoid the fluctuation of torque and the deterioration of exhaust gas.

    Abstract translation: 特别是在发动机的运转状态处于过渡状态时，再次循环排气的发动机在实际EGR估计中的精度降低，这通常导致扭矩波动和废气劣化。 用于直接检测EGR流量的传感器设置在EGR通路中。 从该传感器的输出值计算EGR率和缸内氧浓度。 此外，当使用该EGR率计算方法时，可以在以低负载和小的旋转波动为特征的稳定运行状态和包括加速和减速的过渡运行状态之间适当地切换运算。 这使得可以在较宽的发动机运转条件下正确地估计EGR率和缸内氧气浓度，从而避免扭矩的波动和废气的劣化。

    Flow Meter and Exhaust Gas Recirculation System Using the Same
    5.
    发明申请
    Flow Meter and Exhaust Gas Recirculation System Using the Same 有权
    流量计和排气再循环系统

    公开(公告)号：US20070245822A1

    公开(公告)日：2007-10-25

    申请号：US11734455

    申请日：2007-04-12

    Applicant: Motoyuki MIYATA ,  Noboru Tokuyasu ,  Katsuaki Fukatsu

    Inventor： Motoyuki MIYATA ,  Noboru Tokuyasu ,  Katsuaki Fukatsu

    IPC: G01F1/68

    CPC classification number: G01F1/688 ,  G01F1/684 ,  G01F15/006

    Abstract: The objects of the present invention are to provide a high-accuracy EGR sensor, and EGR system which adopts the above sensor to measure EGR rate. The gas flow meter comprises a sensor section for measuring fluid flow rate and controller for controlling signals transmitted into and out of the sensor section, and is controlled at a working temperature of 350 to 700° C., wherein a protective coat formed on the sensor section has resistance to temperature at which deposition of a PM component in exhaust gases can be prevented.

    Abstract translation: 本发明的目的是提供一种采用上述传感器测量EGR率的高精度EGR传感器和EGR系统。 气体流量计包括用于测量流体流量的传感器部分和用于控制传入和传出传感器部分的信号的控制器，并且控制在350-700℃的工作温度，其中形成在传感器上的保护涂层 截面具有能够防止废气中的PM成分的沉积的耐温度。

    Controller of cylinder injection type internal combustion engine
    8.
    发明授权
    Controller of cylinder injection type internal combustion engine 失效
    气缸喷射式内燃机控制器

    公开(公告)号：US07000380B2

    公开(公告)日：2006-02-21

    申请号：US10476972

    申请日：2001-05-09

    Applicant: Noboru Tokuyasu ,  Toshiharu Nogi ,  Takuya Shiraishi

    Inventor： Noboru Tokuyasu ,  Toshiharu Nogi ,  Takuya Shiraishi

    IPC: F01N3/00

    CPC classification number: F02D13/0219 ,  F02B23/104 ,  F02B31/085 ,  F02B2023/106 ,  F02B2075/125 ,  F02D41/006 ,  F02D41/0065 ,  F02D2041/001 ,  F02F3/26 ,  F02M26/01 ,  F02M26/13 ,  Y02T10/123 ,  Y02T10/18 ,  Y02T10/47

    Abstract: The present invention is intended to provide a control system for an direct injection internal combustion engine capable of effectively reducing the amounts of both HC and NOx exhausted from a combustion chamber during a period from the start of the engine operation to the stop of the engine operation. It comprises an external EGR passage (11) for returning a part of exhaust gas from an exhaust pipe (10) to an intake pipe (5), an external EGR control valve (12) for controlling an amount of exhaust gas returned to the external EGR passage (11), and a valve timing varying mechanism (9A, 9B) for varying timing of opening and closing at least one of an intake valve and an exhaust valve. An ECU 100 controls the valve timing varying mechanism (9A, 9B) to always return internal EGR gas in an operation region where exhaust gas recirculation is required, and controls the external EGR control valve (12) to return exhaust gas in a combination of internal EGR and external EGR when an internal EGR rate provided by the valve timing varying mechanism (9A, 9B) is not sufficient to satisfy an EGR rate demanded depending on an operation state.

    Abstract translation: 本发明旨在提供一种用于直喷式内燃机的控制系统，其能够有效地减少在从发动机运转开始至停止发动机运转的期间从燃烧室排出的HC和NOx的量 。 它包括一个外部EGR通道（11），用于将一部分废气从排气管（10）返回到进气管（5）;外部EGR控制阀（12），用于控制返回到外部的废气量 EGR通道（11）和用于改变打开和关闭进气门和排气阀中的至少一个的时间的气门正时变化机构（9A，9B）。 ECU100控制气门正时改变机构（9A，9B），以在需要排气再循环的操作区域中总是返回内部EGR气体，并且控制外部EGR控制阀（12）以组合的方式返回废气 当由气门正时变化机构（9A，9B）提供的内部EGR率不足以满足根据操作状态要求的EGR率时，内部EGR和外部EGR。

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