公开(公告)号：US20110017179A1

公开(公告)日：2011-01-27

申请号：US12829080

申请日：2010-07-01

申请人： Takanobu ICHIHARA ,  Kazuhiko Kanetoshi ,  Kouzou Katogi ,  Hiroaki Hoshika

发明人： Takanobu ICHIHARA ,  Kazuhiko Kanetoshi ,  Kouzou Katogi ,  Hiroaki Hoshika

IPC分类号： F02B47/08

CPC分类号： F02D41/0072 ,  F02D41/28 ,  F02D2041/0075 ,  F02D2041/141 ,  F02D2041/1432 ,  F02M26/05 ,  F02M26/40 ,  F02M26/47 ,  Y02T10/47

摘要： An EGR flow rate control apparatus of an internal combustion engine is provided that can correct with high accuracy an EGR gas flow rate measured by a gas flow rate measurement apparatus in an EGR passage and control with high accuracy a gas flow rate regulating valve to reduce discharge amounts of PM and NOx in exhaust gases. An EGR flow rate control apparatus 10 of an internal combustion engine includes EGR flow channels 16, 20 that communicate exhaust pipe 11 with intake pipe 7, gas flow rate regulating valve 17 installed in EGR flow channels 26, 20 that regulates an EGR gas flow rate, and gas flow rate measurement apparatus 18 that is installed on an intake pipe 7 side with respect to the flow rate regulating valve 17 of EGR flow channels 16 and 20 and that measures an EGR gas flow rate flowing through the EGR flow channels 16 and 20. The EGR flow rate control apparatus 10 includes gas flow rate correction means 45 that corrects the EGR gas flow rate based on a first operating state parameter relating to pressure fluctuations of the intake pipe or exhaust pipe of the internal combustion engine and a second operating state parameter relating to a flow channel resistance of the EGR flow channel.

摘要翻译： 提供一种内燃机的EGR流量控制装置，其能够高精度地校正由EGR通路中的气体流量测量装置测量的EGR气体流量，并且以高精度控制气体流量调节阀以减少放电 废气中的PM和NOx的量。 内燃机的EGR流量控制装置10包括将排气管11与进气管7连通的EGR流路16,20，安装在EGR流路26,20中的气体流量调节阀17，其调节EGR气体流量 ，以及相对于EGR流路16,20的流量调节阀17安装在进气管7侧并测量流过EGR流路16,20的EGR气体流量的气体流量测量装置18 EGR流量控制装置10包括气体流量校正装置45，其根据与内燃机的进气管或排气管的压力波动相关的第一运转状态参数和第二运转状态来修正EGR气体流量 与EGR流路的流路阻力有关的参数。

公开(公告)号：US20090292440A1

公开(公告)日：2009-11-26

申请号：US12468611

申请日：2009-05-19

申请人： Takanobu ICHIHARA ,  Kazuhiko Kanetoshi ,  Kozo Katogi ,  Hiroyuki Takamura

发明人： Takanobu ICHIHARA ,  Kazuhiko Kanetoshi ,  Kozo Katogi ,  Hiroyuki Takamura

IPC分类号： F02D43/00 ,  F01L1/34

CPC分类号： F02P5/1512 ,  F02D41/0085 ,  F02D41/0097 ,  F02D41/1498 ,  Y02T10/46

摘要： Provided is a control apparatus for a multi-cylinder internal combustion engine equipped with fuel injection valves provided respectively for the cylinders including: a revolution measuring means for measuring a revolution speed for a predetermined angle for each cylinder; an inter-cylinder revolution-difference calculating means for calculating, from the measured revolution speed, a difference in revolution speed between a cylinder of current explosion and a cylinder of the previous explosion; an injection amount correcting means for adjusting the average amount of injection of the fuel injection valves of all the cylinders in accordance with the inter-cylinder differences in revolution speed after the cold start of the engine calculated by the inter-cylinder revolution-difference calculating means; an inter-cylinder revolution-difference averaging means for averaging the differences in revolution speed, calculated by the inter-cylinder revolution-difference calculating means, each between the cylinder of current explosion and the cylinder of the previous explosion; and a torque adjusting means for adjusting the torque of each cylinder so that the average value of the inter-cylinder revolution differences calculated by the inter-cylinder revolution-difference averaging means can be reduced close to zero.

摘要翻译： 本发明提供一种配备有分别为气缸设置的燃料喷射阀的多气缸内燃机的控制装置，包括：用于测量每个气缸的旋转速度达预定角度的旋转测量装置; 用于根据测量的转速计算当前爆炸的气缸与先前爆炸的气缸之间的转速的差异的缸间旋转差计算装置; 喷射量校正装置，用于根据由缸内旋转差计算装置计算的发动机的冷启动之后的转速的缸间差异来调节所有气缸的燃料喷射阀的平均喷射量 ; 缸间旋转差分平均装置，用于平均由缸内旋转差计算装置计算的每个在当前爆炸的气缸与先前爆炸的气缸之间的转速差; 以及用于调节每个气缸的扭矩的扭矩调节装置，使得由缸内旋转差分平均装置计算的缸内转速差的平均值可以减小到接近于零。

公开(公告)号：US20110100327A1

公开(公告)日：2011-05-05

申请号：US12860433

申请日：2010-08-20

申请人： Shinji NAKAGAWA ,  Kazuhiko KANETOSHI ,  Takanobu ICHIHARA ,  Minoru OHSUGA

发明人： Shinji NAKAGAWA ,  Kazuhiko KANETOSHI ,  Takanobu ICHIHARA ,  Minoru OHSUGA

IPC分类号： F02M69/04

CPC分类号： F02D41/0085 ,  F02B2075/125 ,  F02D13/0226 ,  F02D41/0002 ,  F02D41/1498 ,  F02D41/40 ,  F02D2041/001 ,  F02D2200/1012 ,  F02M26/13 ,  F02P5/1512 ,  Y02T10/123 ,  Y02T10/18

摘要： An engine control apparatus having a unit for calculating the mean value of the angular acceleration with respect to each cylinder; a unit for calculating the variance of the angular acceleration with respect to each cylinder; a unit for estimating the torque and the air/fuel ratio with respect to each cylinder on the basis of the mean value and the variance; and a unit for controlling at least one of the intake air amount, the fuel injection amount and the ignition timing with respect to each cylinder on the basis of the estimated torque and air/fuel ratio.

摘要翻译： 一种发动机控制装置，具有用于计算相对于每个气缸的角加速度的平均值的单元; 用于计算相对于每个气缸的角加速度的方差的单元; 基于平均值和方差估计相对于每个气缸的扭矩和空气/燃料比的单元; 以及基于估计的转矩和空气/燃料比来控制相对于每个气缸的进气量，燃料喷射量和点火正时中的至少一个的单元。