公开(公告)号：JP2010275961A

公开(公告)日：2010-12-09

申请号：JP2009131014

申请日：2009-05-29

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

Inventor： SATO SATORU ,  KADOOKA TAKU ,  MITANI SHINICHI ,  URANO SHIGEYUKI ,  HIROOKA SHIGEMASA

IPC: F01P7/16 ,  B01D53/86 ,  F01N3/02 ,  F02D41/04

Abstract: PROBLEM TO BE SOLVED: To provide an engine cooling device capable of preventing or suppressing the deterioration of the exhaust emission due to the supercooling of the latter-stage catalyst when cooling, using a coolant, the exhaust system of an engine mounted with an earlier-stage catalyst and a latter-stage catalyst which are arranged in series. SOLUTION: The cooling device 100A includes an ECU 1A, a water pump 10, an engine 50, cooling adaptors 21 and 22, a radiator 30, catalysts 23 and 24, a UFC 25 and an open/close valve 40 permitting or prohibiting the circulation of the cooling water to the cooling adaptors 21 and 22. In the ECU 1A, a first control means for controlling the open/close valve 40 to prohibit the circulation of the cooling water to the cooling adaptors 21 and 22 when the accumulated amount taken in air calculated during the idling of the engine 50 exceeds a predetermined value is functionally realized. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种发动机冷却装置，其能够防止或抑制在使用冷却剂进行冷却时由于后段催化剂的过冷而导致的排气的劣化，发动机的排气系统安装有 早期催化剂和后期催化剂，它们串联排列。 解决方案：冷却装置100A包括ECU 1A，水泵10，发动机50，冷却适配器21和22，散热器30，催化剂23和24，UFC 25和开/关阀40，允许或 禁止冷却水循环到冷却适配器21和22.在ECU 1A中，第一控制装置用于控制打开/关闭阀40，以防止冷却水循环到冷却适配器21和22时累积 在发动机50的怠速期间计算的空气中的空气量超过预定值。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010265815A

公开(公告)日：2010-11-25

申请号：JP2009117788

申请日：2009-05-14

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

Inventor： YOSHIZAKI SATOSHI ,  HIROOKA SHIGEMASA ,  MITANI SHINICHI ,  SATO SATORU ,  URANO SHIGEYUKI

IPC: F02D41/34 ,  F02M63/00

CPC classification number: F02D41/3023 ,  F02D41/3094 ,  F02D41/402

Abstract: PROBLEM TO BE SOLVED: To avoid poor ignition and poor combustion of air fuel mixture in case of fuel property change or the like in a fuel injection system for an internal combustion engine including a first fuel injection valve injecting fuel into a cylinder and a second fuel injection valve injecting fuel into an intake air passage. SOLUTION: In the fuel injection system for the internal combustion engine including the first fuel injection valve injecting fuel into the cylinder and the second fuel injection valve injecting fuel into the intake air passage, fuel to be injected from the second fuel injection valve is injected with divided into compression stroke injection by the first fuel injection valve and injection by the second fuel injection valve if engine speed drops lower than predetermined tolerance range when fuel to be supplied into the cylinder is injected with divided into compression stroke injection by the first fuel injection valve and injection by the second fuel injection valve. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了避免在用于内燃机的燃料喷射系统中的燃料特性变化等的情况下空燃混合物的点火不良和燃烧不良，所述内燃机包括将燃料喷射到气缸中的第一燃料喷射阀和 将燃料喷射到进气通道中的第二燃料喷射阀。 解决方案：在用于内燃机的燃料喷射系统中，包括将燃料喷射到气缸中的第一燃料喷射阀和将燃料喷射到进气通道中的第二燃料喷射阀，从第二燃料喷射阀 如果发动机转速低于预定公差范围，则通过第一燃料喷射阀被分为压缩冲程喷射和第二燃料喷射阀的喷射，当被供给到气缸中的燃料被注入分为压缩冲程喷射 燃料喷射阀和由第二燃料喷射阀喷射。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010255507A

公开(公告)日：2010-11-11

申请号：JP2009106072

申请日：2009-04-24

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

Inventor： YOSHIZAKI SATOSHI ,  MITANI SHINICHI ,  HIROOKA SHIGEMASA ,  SATO SATORU

IPC: F02D41/06 ,  F02D41/04 ,  F02D41/34 ,  F02M63/00

CPC classification number: F02D41/062 ,  F02D41/3094 ,  F02D2200/0602

Abstract: PROBLEM TO BE SOLVED: To suppress a decrease in combustion stability and exhaust performance under a low-pressure environment, in an internal combustion engine including a cylinder direct injection injector and a port injection injector. SOLUTION: The internal combustion engine performs compression stroke injection by the cylinder direct injection injector in starting, and performs port injection by the port injection injector and compression stroke injection by the cylinder direct injection injector after starting. Under the low-pressure environment, at least one of the following is performed, correction for reducing a fuel pressure reference value determining whether or not fuel is injected by the cylinder direct injection injector in starting, correction for reducing the target value of the fuel pressure of the cylinder direct injection injector in starting, correction for advancing the fuel injection timing of the cylinder direct injection injector in starting, correction for reducing the amount of fuel injected by the cylinder direct injection injector after stating to increase a ratio of the port injection injector, correction for reducing the target value of the fuel pressure of the cylinder direct injection injector in starting, and correction for advancing the fuel injection timing of the cylinder direct injection injector after starting. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 解决的问题：在包括气缸直接喷射注射器和端口喷射注射器的内燃机中，抑制在低压环境下的燃烧稳定性和排气性能的降低。 解决方案：内燃机在启动时由气缸直接喷射喷射器进行压缩冲程喷射，并且在起动之后通过气缸喷射注射器进行喷射口和气缸直接喷射喷射器的压缩冲程喷射。 在低压环境下，执行以下中的至少一个，用于降低燃料压力基准值的校正，以确定燃料是否由气缸直接喷射喷射器在启动时喷射，用于降低燃料压力的目标值的校正 启动时的气缸直接喷射喷射器的校正，用于在起动时提高气缸直接喷射喷射器的燃料喷射正时的校正，在进行说明之后，减小由气缸直接喷射喷射器喷射的燃料量的校正，以增加喷射喷射喷射器的比率 ，用于在起动时降低气缸直接喷射喷射器的燃料压力的目标值的校正，以及用于使起动后的气缸直接喷射喷射器的燃料喷射正时提前的校正。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010248942A

公开(公告)日：2010-11-04

申请号：JP2009096900

申请日：2009-04-13

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

Inventor： SATO SATORU ,  HIROOKA SHIGEMASA ,  MITANI SHINICHI ,  KADOOKA TAKU ,  YOSHIZAKI SATOSHI

IPC: F01N3/02 ,  F01P3/12 ,  F01P3/20

Abstract: PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of preventing the boiling of cooling water at a cold start. SOLUTION: The control device for the internal combustion engine includes: cooling water main paths 81-83 passing through an engine 10; a cooling water auxiliary path 90 passing through a cooling device 40 cooling exhaust gas from the engine 10 and communicating with the cooling water main paths 81-83, changeover valves 44, 45 changing over the cooling water main paths 81-83 and the cooling water auxiliary path 90 between communication states and cut-off states; a temperature sensor 50 detecting a temperature of cooling water; and an ECU 20 detecting the operation state of the engine 10 and controlling the changeover valves 44, 45 to the communication states when the temperature of the cooling water is lower than a prescribed value and the operation state of the engine 10 is at heavy loading. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够防止冷启动时冷却水沸腾的内燃机的控制装置。 解决方案：用于内燃机的控制装置包括：通过发动机10的冷却水主路径81-83; 通过冷却装置40的冷却水辅助路径90，冷却装置40将来自发动机10的废气冷却，并与冷却水主路径81-83连通，切换阀44,45的冷却水主路径81-83和冷却水 通信状态和截止状态之间的辅助路径90; 检测冷却水的温度的温度传感器50; 以及当冷却水的温度低于规定值并且发动机10的运转状态处于大负载时，ECU 20检测发动机10的运转状态并控制转换阀44,45为通讯状态。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010203414A

公开(公告)日：2010-09-16

申请号：JP2009052739

申请日：2009-03-05

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

Inventor： HIROOKA SHIGEMASA ,  MITANI SHINICHI ,  YOSHIZAKI SATOSHI ,  SATO SATORU ,  URANO SHIGEYUKI

IPC: F02D41/34 ,  F02D41/04 ,  F02M51/02 ,  F02M55/02 ,  F02M59/46 ,  F02M63/00

CPC classification number: F02D41/062 ,  F02D41/3029 ,  F02D41/3094

Abstract: PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of appropriately performing fuel injection by the cylinder injection injector of the internal combustion engine achievable in stratified combustion and homogeneous combustion. SOLUTION: In a vehicle control system 1, control is performed for suppressing a remarkable increase in the pressure of fuel supplied to the cylinder injector 25 when a vehicle is started in comparison with target fuel pressure by a first fuel injection means, a second fuel injection means, a separative injection ratio control means, a fuel pressure detection means, a fuel pressure target value setting means, and a fuel pressure lowering means. Thereby, fuel is appropriately injected by the cylinder injector 25. Accordingly, it is possible to suppress the lean deviation of the engine 100. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：提供一种内燃机的控制装置，该内燃机能够通过分层燃烧和均匀燃烧中可实现的内燃机的气缸喷射注射器适当地执行燃料喷射。 解决方案：在车辆控制系统1中，执行控制，用于当通过第一燃料喷射装置与目标燃料压力相比时，用于抑制供应到汽缸喷射器25的燃料的压力显着增加， 第二燃料喷射装置，分离喷射比控制装置，燃料压力检测装置，燃料压力目标值设定装置和燃料压力降低装置。 因此，通过气缸喷射器25适当地喷射燃料。因此，可以抑制发动机100的倾斜偏差。（C）2010，JPO＆INPIT

公开(公告)号：JP2010168990A

公开(公告)日：2010-08-05

申请号：JP2009012068

申请日：2009-01-22

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

Inventor： KADOOKA TAKU ,  HIROOKA SHIGEMASA ,  MITANI SHINICHI ,  YOSHIZAKI SATOSHI ,  SATO SATORU

IPC: F02D41/04 ,  F01N3/02 ,  F01P3/12

Abstract: PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine in which a difference of deterioration degrees among a plurality of catalysts is suppressed. SOLUTION: The control device of the internal combustion engine includes an engine body 10 provided with banks 12L, 12R, a cooling device 40L for cooling exhaust gas discharged from the bank 12L, a cooling device 40R for cooling the exhaust gas discharged from the bank 12R, a catalyst 20L for purifying the exhaust gas cooled by the cooling device 40L, a catalyst 20R for purifying the exhaust gas cooled by the cooling device 40R and ECUs 7L, 7R for estimating a cooling effect of the cooling device 40L and a cooling effect of the cooling device 40R and controlling the drive state of an engine body 10 according to the estimation result so that difference between a heating value that the catalyst 20L receives from the exhaust gas and a heating value that the catalyst 20R receives from the exhaust gas is decreased. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：提供抑制多种催化剂的劣化度差异的内燃机的控制装置。 解决方案：内燃机的控制装置包括设置有堤12L，12R的发动机主体10，用于冷却从组12L排出的排气的冷却装置40L，用于冷却从排出的废气排出的排气的冷却装置40R 用于净化由冷却装置40L冷却的废气的催化剂20L，用于净化由冷却装置40R冷却的废气的催化剂20R和用于估计冷却装置40L的冷却效果的ECU7L，7R， 冷却装置40R的冷却效果，并且根据估计结果来控制发动机主体10的驱动状态，使得催化剂20L从废气接收的发热量与催化剂20R从排气口接收的热值之间的差异 气体减少。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010071096A

公开(公告)日：2010-04-02

申请号：JP2008236204

申请日：2008-09-16

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

Inventor： YOSHIZAKI SATOSHI ,  HIROOKA SHIGEMASA ,  MITANI SHINICHI ,  SATO SATORU ,  URANO SHIGEYUKI

IPC: F02D41/06 ,  F02D45/00

Abstract: PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of giving occupants of a vehicle stable start feeling irrespective of normal start or restart of the internal combustion engine.
SOLUTION: When start demand of the internal combustion engine is detected, a threshold PR
1 and fuel pressure P(t
1 ) input from a fuel pressure sensor 14 are compared (step 160). If it is determined that P(t
1 )≤PR
1 is satisfied, a high pressure pump 18 is driven (step 180). If it is determined that P(t
1 )≤PR
1 is not satisfied, it is determined if start time counter is not less than a predetermined value C
1 (step 200). If it is determined that the start time counter is not greater than the predetermined value C
1 , fuel is injected from a fuel injection valve 10 (step 220). If it is determined that the start time counter is less than the predetermined value C
1 , the control device waits until the start time counter gets to the predetermined value C
1 or greater.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种内燃机的控制装置，能够使内燃机的正常启动或重启无论车辆的乘员稳定起动感觉。 解决方案：当检测到内燃机的起动要求时，从燃料压力传感器14输入的阈值PR 1 和燃料压力P（t 1 ）为 比较（步骤160）。 如果确定P（t 1 ）≤PR 1 ，则驱动高压泵18（步骤180）。 如果确定不满足P（t 1 ）≤PR 1 ，则确定开始时间计数器是否不小于预定值C 1 （步骤200）。 如果确定开始时间计数器不大于预定值C <1> ，则从燃料喷射阀10喷射燃料（步骤220）。 如果确定开始时间计数器小于预定值C 1 ，则控制装置等待直到开始时间计数器达到预定值C 1 或更大 。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010043588A

公开(公告)日：2010-02-25

申请号：JP2008207434

申请日：2008-08-11

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

Inventor： YOSHIZAKI SATOSHI ,  HIROOKA SHIGEMASA ,  MITANI SHINICHI ,  SATO SATORU

IPC: F02D41/06 ,  F02D41/04 ,  F02D41/14 ,  F02D41/34 ,  F02D45/00 ,  F02M63/00

CPC classification number: F02D41/3094 ,  F02D41/064

Abstract: PROBLEM TO BE SOLVED: To provide a fuel injection control device capable of suppressing the deterioration of combustion at start-up of an internal combustion engine. SOLUTION: An ECU 7 executes fuel injection control by a PFI 21 for injecting fuel into an intake passage 5 of an internal combustion engine 1-1 and a DI 22 for injecting the fuel into a combustion chamber A of an internal combustion engine 1-1, and executes the start-up cylinder injection control for supplying fuel to the internal combustion engine 1-1 through the injection of fuel by the DI 22 only at the actuation of start-up by the internal combustion engine 1-1 when the number C of repetitions of cold start carried out by the internal combustion engine 1-1 before warming-up is less than a predetermined number Ct, and the start-up intake passage injection control for supplying fuel to the internal combustion engine 1-1 through the injection of fuel by the PFI 21 only at the actuation of start-up by the internal combustion engine 1-1 when the number C of repetitions is not less than a predetermined number Ct. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：提供能够抑制内燃机起动时的燃烧劣化的燃料喷射控制装置。 解决方案：ECU7执行用于将燃料喷射到内燃机1-1的进气通道5中的PFI 21的燃料喷射控制和用于将燃料喷射到内燃机的燃烧室A中的DI22 1-1，并且仅在内燃机1-1启动时通过DI 22的燃料喷射来执行用于向内燃机1-1供给燃料的启动缸喷射控制， 内燃机1-1在预热之前进行的冷启动重复次数C小于预定数量Ct，并且用于向内燃机1-1供给燃料的起动进气通道喷射控制 通过仅当重复次数C不小于预定数量Ct时，在内燃机1-1启动时，由PFI 21喷射燃料。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009275655A

公开(公告)日：2009-11-26

申请号：JP2008129542

申请日：2008-05-16

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

Inventor： SHINAGAWA TOMOHIRO ,  HIROOKA SHIGEMASA ,  HOSOKAWA YOHEI ,  YOSHIZAKI SATOSHI

IPC: F02D13/02 ,  F02D41/06 ,  F02D41/22 ,  F02D45/00

CPC classification number: Y02T10/18 ,  Y02T10/40

Abstract: PROBLEM TO BE SOLVED: To further promptly start an internal combustion engine, in a start control device of the internal combustion engine.
SOLUTION: The start control devices 100, 200 of the internal combustion engine includes a variable valve means 10 capable of changing a phase amount corresponding to the opening/closing timing of an intake valve for taking air into a combustion chamber, abnormality detecting means 100, 10a detecting operation abnormalities of the variable valve means, a specifying means 10a specifying the phase amount of the variable valve means, a jetting means 211 jetting fuel into the combustion chamber, a changing means 100 changing the jet amount of the fuel to an increasing side or a decreasing side to a standard amount, and a control means 100 controlling the jetting means to jet the changed jet amount of the fuel in stead of the standard amount of the fuel when the operation abnormality is detected upon the start of the internal combustion engine.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：在内燃机的起动控制装置中，进一步及时启动内燃机。 解决方案：内燃机的启动控制装置100,200包括可变阀装置10，该可变阀装置10能够改变与用于吸入空气进入燃烧室的进气阀的开/关正时相对应的相位量，异常检测 装置100,10a检测可变阀装置的运行异常，指定可变阀装置的相量的指定装置10a，向燃烧室喷射燃料的喷射装置211，将燃料喷射量改变为 增加一侧或减少侧为标准量;以及控制装置100，控制装置100控制喷射装置，以在开始时检测到操作异常时，喷射改变的燃料喷射量而不是标准燃料量 内燃机。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009041405A

公开(公告)日：2009-02-26

申请号：JP2007205743

申请日：2007-08-07

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

Inventor： HIROOKA SHIGEMASA

IPC: F02D29/02 ,  B60T17/00 ,  F02D9/02 ,  F02D11/10 ,  F02D41/06 ,  F02D43/00 ,  F02D45/00 ,  F02P5/15

CPC classification number: F02D41/222 ,  B60T13/72 ,  B60T17/02 ,  F02D41/06 ,  F02P5/1502 ,  Y02T10/46

Abstract: PROBLEM TO BE SOLVED: To provide a vehicle controller which appropriately makes control for ensuring negative pressure in consideration of malfunction of various sensors when ignition timing retarding control is made at an engine start and an intake airflow is being increased to perform an engine warming-up operation and further when interrupting or constraining the ignition timing retard control for recovering negative pressure inside a brake booster.
SOLUTION: During the engine warming-up operation and when a signal of the sensor (specifically, a sensor for detecting vehicle movement) is abnormal which is provided for determining whether ensuring of the negative pressure is needed, and the sensor and a communication system are abnormal, a determination that the ensuring of negative pressure is unnecessary is determined to be wrong and then the ignition timing retard control is interrupted or constrained to ensure the negative pressure. On the other hand, when the sensor is detecting noises, the determination that ensuring of the negative pressure is necessary is determined to be wrong and then the ignition timing retarding control is not interrupted or not constrained to continue the ignition timing retarding control, and carries on the engine warming-up operation.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种车辆控制器，其在发动机起动时进行点火正时延迟控制并且进气气流增加时，考虑到各种传感器的故障，适当地进行用于确保负压的控制，以执行发动机 进一步当中断或约束点火正时延迟控制以恢复制动助力器内的负压时。 解决方案：在发动机预热操作期间，当传感器（具体地，用于检测车辆运动的传感器）的信号异常时，用于确定是否需要确保负压，并且传感器和 通信系统异常，确定不需要确保负压的判定为错误，然后点火正时延迟控制被中断或约束以确保负压。 另一方面，当传感器检测到噪声时，确定需要确定负压的确定是错误的，然后点火正时延迟控制不被中断或不被约束以继续点火正时延迟控制，并且携带 对发动机的预热作业。 版权所有（C）2009，JPO＆INPIT