公开(公告)号：JP2005325816A

公开(公告)日：2005-11-24

申请号：JP2004146760

申请日：2004-05-17

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： KADOOKA TAKU ,  HARIMA KENJI ,  NAKASAKA YUKIHIRO ,  SONODA YUKIHIRO ,  KANAI HIROSHI ,  MORITA KOJI

IPC: B60W10/04 ,  B60W10/06 ,  B60W10/10 ,  B60W10/101 ,  F02D13/02 ,  F02D17/02 ,  F02D29/00 ,  F02D29/02 ,  F02D41/06 ,  F02D43/00 ,  B60K41/00 ,  B60K41/12

Abstract: PROBLEM TO BE SOLVED: To accurately grasp unevenness of intake amount between each cylinder when lift amount of an intake valve is reduced or deviation between intake amount and target intake amount of each cylinder. SOLUTION: In this internal combustion engine equipped with a variable valve gear capable of changing lift amount of the intake valve, opening of a throttle valve 6 is set to be above set opening when lift amount of the intake valve 8 is below set lift amount, and intake amount of each cylinder detected by an intake amount detection means is compared with current target intake amount to grasp deviation of intake amount of each cylinder. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了精确地掌握进气门的升程量减少或每个气缸的进气量与目标进气量之间的偏差，每个气缸之间的进气量的不均匀性。 解决方案：在配备有能够改变进气门升程量的可变气门齿轮的内燃机中，当进气门8的升程量低于设定时，节流阀6的打开被设定为高于设定开度 将由进气量检测装置检测的每个气缸的升程量和进气量与当前目标进气量进行比较，以掌握每个气缸的进气量的偏差。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2004028024A

公开(公告)日：2004-01-29

申请号：JP2002188147

申请日：2002-06-27

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： KADOOKA TAKU

IPC: F02D41/06 ,  F02D41/02 ,  F02D41/34

CPC classification number: Y02T10/44

Abstract: PROBLEM TO BE SOLVED: To provide a fuel injection control device capable of sufficiently improving the fuel consumption and the exhaust emission in starting an engine in the cylinder injection-type spark ignition internal combustion engine.
SOLUTION: When the engine is started, the homogeneous combustion is performed first by starting the fuel injection from an auxiliary fuel injection valve 9 injecting the fuel into an engine intake system, without injecting the fuel by a main fuel injection valve 7 for directly injecting the fuel into a cylinder, and then the fuel injection of the later half of a compression stroke by the main fuel injection valve is started to execute the stratification combustion after the fuel injection of the later half of the compression stroke by the main fuel injection valve becomes available following the rise of the fuel pressure in an accumulation chamber 20 after the first explosion.
COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2003286869A

公开(公告)日：2003-10-10

申请号：JP2002089509

申请日：2002-03-27

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： SONODA YUKIHIRO ,  IRISAWA YASUYUKI ,  KADOOKA TAKU ,  KITAURA KOICHI

IPC: F01L1/34 ,  F01L13/00 ,  F01N3/20 ,  F01N3/24 ,  F02B17/00 ,  F02B23/10 ,  F02B75/12 ,  F02D13/02 ,  F02D41/00 ,  F02D41/02 ,  F02D41/06 ,  F02D41/30 ,  F02D43/00 ,  F02D45/00 ,  F02P5/15

CPC classification number: F02D13/0261 ,  F01L1/34 ,  F01L13/00 ,  F01N2430/08 ,  F02B17/005 ,  F02B23/104 ,  F02B2075/125 ,  F02D41/0002 ,  F02D41/0255 ,  F02D41/064 ,  F02D41/068 ,  F02D41/3023 ,  F02D2013/0292 ,  F02D2041/001 ,  F02D2041/389 ,  F02D2200/023 ,  F02D2200/0802 ,  F02P5/1506 ,  Y02T10/123 ,  Y02T10/18 ,  Y02T10/26 ,  Y02T10/42 ,  Y02T10/46

Abstract: PROBLEM TO BE SOLVED: To provide a cylinder injection spark ignition internal combustion engine capable of stratified charge combustion at a cold start.
SOLUTION: The stratified charge combustion can be stably achieved compression stroke injection by setting a lift amount of an air intake valve largely at a cold start. At that time, the retardation of ignition improves the warming-up performance of a catalyst.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供能够在冷启动时分层充气燃烧的气缸喷射火花点火内燃机。 解决方案：分层充气燃烧可以通过大量在冷启动时设定进气阀的升程量，稳定地实现压缩冲程喷射。 此时，点燃的延迟提高了催化剂的预热性能。 版权所有（C）2004，JPO

公开(公告)号：JP2002213324A

公开(公告)日：2002-07-31

申请号：JP2001008122

申请日：2001-01-16

Applicant: TOYOTA MOTOR CORP

Inventor： KADOOKA TAKU ,  SONODA YUKIHIRO ,  MIYASHITA SHIGEKI ,  IRISAWA YASUYUKI

IPC: F02B75/18 ,  F02D41/04 ,  F02D41/06 ,  F02D41/38 ,  F02D41/40 ,  F02M37/00 ,  F02M37/06 ,  F02M47/00 ,  F02M55/02

Abstract: PROBLEM TO BE SOLVED: To provide a cylinder injection type spark ignition internal combustion engine capable of securing engine start, and preventing deterioration of combustion due to lowering of fuel pressure in a accumulator after the engine start. SOLUTION: This cylinder injection type spark internal combustion engine has a plurality of cylinders, and the plurality of cylinders is divided into at least a first cylinder group #1 and #2, and a second cylinder group #3 and #4. Fuel is supplied to the first cylinder group from a first accumulator 51, and fuel is supplied to the second air cylinder group from a second accumulator 52. An engine driven type high pressure pump 11 is connected to the first pressure accumulator and the second accumulator, and another booster mechanism 20 is also connected to the first accumulator. The booster mechanism raises the fuel pressure in the first accumulator to the fuel pressure for enabling favorable fuel injector at the engine start.

公开(公告)号：JP2002138882A

公开(公告)日：2002-05-17

申请号：JP2000333067

申请日：2000-10-31

Applicant: TOYOTA MOTOR CORP

Inventor： UMEHANA TOYOICHI ,  MIYASHITA SHIGEKI ,  KADOOKA TAKU

IPC: F02D17/02 ,  F02D41/06 ,  F02D41/36

Abstract: PROBLEM TO BE SOLVED: To ensure a certain starting property even at the time when a battery voltage is low in a multi-cylinder spark ignition internal combustion engine carrying out starting of the engine by reducing the number of driving cylinders. SOLUTION: When a battery voltage is not more than a first set voltage (Step 101), a fuel is fed to all cylinders and ignition is carried out at all cylinder to start the engine (Step 104).

公开(公告)号：JP2014202163A

公开(公告)日：2014-10-27

申请号：JP2013080411

申请日：2013-04-08

Applicant: トヨタ自動車株式会社 ,  Toyota Motor Corp

Inventor： KADOOKA TAKU ,  FUKUI KO

IPC: F02D41/14 ,  B60W10/06 ,  B60W10/11 ,  F02B37/18 ,  F02D23/00 ,  F02D45/00

CPC classification number: Y02T10/144

Abstract: 【課題】排気流量の変化に伴う排気ガスの空燃比センサへの当たり具合の変化を抑制して、検出精度を更に向上し、誤検出を抑制する。【解決手段】気筒間空燃比インバランス判定を実行するときには、WGV27が開弁されると共に、WGV27の開度が、排気流量に基づいて制御される。排気流量に応じて、排気ガスの空燃比センサへの当たり具合が検出により適した状態に誘導され、且つ、排気流量に応じた主流位置の変化が、WGV27を利用して補償ないし抑制される。排気流量の変化に伴う排気ガスの空燃比センサ17への当たり具合の変化を抑制して、検出精度を更に向上し、誤検出を抑制することができる。【選択図】図2

Abstract translation: 要解决的问题：通过改变排气流量来抑制排气对空燃比传感器的接触状态的改变，提高检测精度并抑制错误检测。解决方案：当执行空燃比传感器之间的空燃比不平衡的确定时 气缸，打开WGV27，并基于排气流量控制WGV 27的打开。 根据排气流量，排气到空燃比传感器的接触状态被引导到适合于检测的状态，并且通过利用WGV 27来补偿或抑制根据排气流量的主流位置的变化 随着排气流量的变化，废气与空燃比传感器17的接触状态的变化被抑制，检测精度提高，能够抑制错误检测。

公开(公告)号：JP2014185562A

公开(公告)日：2014-10-02

申请号：JP2013060378

申请日：2013-03-22

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： KOBASHI NORIYASU ,  KADOOKA TAKU ,  OTSUKA TAKAYUKI

IPC: F01N3/023 ,  F01N3/025 ,  F01N3/029 ,  F02D43/00 ,  F02D45/00

Abstract: PROBLEM TO BE SOLVED: To provide an exhaust purification device which suppresses that a filter gets to over-temperature state when oxidative removal of PM is performed, in the exhaust purification device of a spark ignition type internal combustion engine equipped with a filter for capturing PM in exhaust.SOLUTION: An exhaust purification device of a spark ignition type internal combustion engine includes: a filter for capturing PM which is disposed on an exhaust passage of the spark ignition type internal combustion engine; a filter regeneration treatment part which oxidizes and removes captured PM; a calculation part which calculates threshold of prescribed parameter concerning the filter when temporarily oxidation removal is performed and it is supposed that the filter gets to over-temperature state; and an adjustment part which adjusts combustion conditions based on the calculated threshold such that it is suppressed that the filter gets to the over temperature state when actually the oxidation removal is performed.

Abstract translation: 要解决的问题：提供一种排气净化装置，其在配备有用于捕获PM的过滤器的火花点火式内燃机的排气净化装置中，抑制在氧化除去PM时过滤器达到过温状态 排气净化装置。火花点火式内燃机的排气净化装置，具备：捕捉PM的过滤器，其配置在所述火花点火式内燃机的排气通路上; 过滤器再生处理部，其氧化并除去捕获的PM; 计算部，其在进行临时氧化除去时，计算与过滤器有关的规定参数的阈值，并且假设过滤器达到过温状态; 以及调节部，其基于计算出的阈值调节燃烧条件，使得当实际进行氧化除去时，抑制过滤器达到过温状态。

公开(公告)号：JP2014148965A

公开(公告)日：2014-08-21

申请号：JP2013019627

申请日：2013-02-04

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： KADOOKA TAKU ,  FUKUI KO

IPC: F02D45/00 ,  F02B37/18

CPC classification number: F02D41/0007 ,  F02B37/18 ,  F02B37/183 ,  F02D41/0085 ,  F02D41/1456 ,  Y02T10/144

Abstract: PROBLEM TO BE SOLVED: To improve detection accuracy by suppressing influence of mixture of exhaust gas having passed through a turbine of a supercharger and exhaust gas having passed through a bypass passage.SOLUTION: When the opening of a waste gate valve 27 is a predetermined value or less, imbalance detection based on the output of a catalyst front sensor 17 (an air fuel sensor) is executed, and when the opening of the waste gate valve 27 is larger than the predetermined value, imbalance detection is prohibited and is not executed. Deterioration of accuracy due to mixture of exhaust gas having passed through an exhaust turbine 25b and exhaust gas having passed through a bypass passage 26 can be suppressed, and erroneous detection can be suppressed.

Abstract translation: 要解决的问题：通过抑制通过增压器的涡轮机的废气和通过旁通通道的废气的混合物的影响来提高检测精度。解决方案：当废气门阀27的打开是预定值时 以下，执行基于催化剂前侧传感器17（空气燃料传感器）的输出的不平衡检测，并且当废气门阀27的打开量大于预定值时，不平衡检测被禁止并且不执行。 可以抑制通过排气涡轮25b的废气的混合和通过旁路通路26的废气的精度劣化，能够抑制错误的检测。

公开(公告)号：JP2014013004A

公开(公告)日：2014-01-23

申请号：JP2012150296

申请日：2012-07-04

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： KADOOKA TAKU ,  OTSUKA TAKAYUKI ,  KUBOTA HIROBUMI ,  FUKUI KO

IPC: F02B37/18 ,  F02B37/12 ,  F02D23/00 ,  F02D45/00

CPC classification number: Y02T10/144

Abstract: PROBLEM TO BE SOLVED: To provide an internal combustion engine with a supercharger including a hardware configuration that can improve detection accuracy of an imbalance abnormality between cylinders in an air-fuel ratio regardless of a control state of an opening of a waste gate valve, when an air-fuel ratio sensor is included on an exhaust passage downstream a turbine.SOLUTION: An internal combustion engine with a supercharger includes a turbocharger 20 with a waste gate valve (WGV) 32. The engine includes an A/F sensor 40 for detecting an air-fuel ratio of exhaust gas flowing in the downstream of a turbine 20b. A positional relationship between an outlet of the turbine 20b and the WGV 32 is set such that the periphery on a side of a non-rotating shaft of an opening of a waste gate (WG) 30 to a rotating shaft part 32a of the WGV 32 does not face the outlet of the turbine 20b. Before a swirl flow of the exhaust gas from the turbine 20b flowing along a wall surface of an exhaust passage 14 is mixed with the exhaust gas outflowing from the WG 30 when a valve body 32b is opened, the A/F sensor 40 is arranged to come into contact with the swirl flow of the exhaust gas from the turbine 20b.

Abstract translation: 要解决的问题：为了提供一种具有增压器的内燃机，该增压器包括能够提高空燃比的气缸之间的不平衡异常的检测精度，而与废门阀的打开的控制状态无关的硬件结构， 在涡轮下游的排气通道中包括空燃比传感器。解决方案：具有增压器的内燃机包括具有废气闸阀（WGV）32的涡轮增压器20.发动机包括用于检测的空气传感器40 在涡轮20b的下游流动的废气的空燃比。 涡轮20b和WGV32的出口之间的位置关系被设定为使废气门（WG）30的开口的非旋转轴的一侧的周边与WGV 32的旋转轴部32a 不面对涡轮机20b的出口。 在打开阀体32b时，沿着沿着排气通路14的壁面流动的来自涡轮机20b的废气的涡流与从WG30流出的废气混合，将A / F传感器40配置成 与来自涡轮20b的废气的涡流接触。

公开(公告)号：JP2012002166A

公开(公告)日：2012-01-05

申请号：JP2010139344

申请日：2010-06-18

Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

Inventor： SATO SATORU ,  IRISAWA YASUYUKI ,  MITANI SHINICHI ,  KADOOKA TAKU ,  URANO SHIGEYUKI ,  YOSHIZAKI SATOSHI

IPC: F02D41/06 ,  F02D19/02 ,  F02D45/00

CPC classification number: F02M31/18 ,  F02D19/0605 ,  F02D19/0628 ,  F02D19/0655 ,  F02D19/0665 ,  F02D19/081 ,  F02D19/084 ,  Y02T10/126 ,  Y02T10/36

Abstract: PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of improving starting performance and emission characteristics by quickly supplying vaporized fuel into cylinders even in a status that fuel is hardly vaporized at a low-temperature start or the like.SOLUTION: The control device for the internal combustion engine includes a vaporized fuel tank 38 for storing vaporized fuel, and a normally-closed vaporized fuel supply valve 42 for opening and closing a connection part between the vaporized fuel tank 38 and a surge tank 20. In a state that the vaporized fuel supply valve 42 is closed during operation, fuel is injected into the tank to produce the vaporized fuel. At starting the engine, the vaporized fuel supply valve 42 is opened to supply the vaporized fuel stored in the tank into the surge tank 20. When the vaporized fuel does not remain in the vaporized fuel tank 38 at stopping the engine, the vaporized fuel supply valve 42 is temporarily opened prior to stopping the engine to generate negative pressure in the vaporized fuel tank 38. Then, fuel is injected into the vaporized fuel tank 38 being in a negative-pressure state to produce the vaporized fuel.

Abstract translation: 要解决的问题：为了提供一种能够提高起动性能和排放特性的内燃机的控制装置，即使在低温启动时燃料几乎不蒸发的状态，也可以快速地将汽化的燃料供给到气缸中，或者 喜欢。 解决方案：用于内燃机的控制装置包括用于储存汽化燃料的汽化燃料箱38和用于打开和关闭蒸发的燃料箱38和喘振之间的连接部分的常闭汽化燃料供应阀42 在操作期间汽化燃料供给阀42关闭的状态下，向罐内注入燃料，生成汽化燃料。 在启动发动机时，打开汽化的燃料供给阀42，以将储存在罐中的汽化燃料供应到缓冲罐20中。当蒸发的燃料在停止发动机时不保持在蒸发的燃料箱38中时，蒸发的燃料供应 阀42在停止发动机之前暂时打开，以在汽化燃料箱38中产生负压。然后，将燃料喷射到处于负压状态的汽化燃料箱38中以产生汽化燃料。 版权所有（C）2012，JPO＆INPIT