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    • 2. 发明专利
    • Dry sump type engine
    • 干式发动机
    • JP2005042681A
    • 2005-02-17
    • JP2003280148
    • 2003-07-25
    • Toyota Motor Corpトヨタ自動車株式会社
    • YASUHARA SHIGEKI
    • F01M13/00F01M13/04F02D41/08F02D45/00
    • PROBLEM TO BE SOLVED: To provide a simple and inexpensive dry sump type engine appropriately and smoothly performing reduction treatment of generated blow-by gas and not affecting basic operation of the engine.
      SOLUTION: A pressure state inside an engine main body 12 is monitored by a pressure sensor 50, and increase/decrease in discharge capacity of a discharge pump 40 is controlled. By controlling the increase/decrease in the discharge capacity of the discharge pump 40 in accordance with quantity of generated blow-by gas, most appropriate quantity of air including the blow-by gas suitable for an operating state of the engine main body 21 is discharged. Without providing a specific valve or the like, appropriate quantity of the blow-by-gas is returned to the engine main body 12 in accordance with the discharged air including the blow-by gas, and combustion treatment of the blow-by gas is performed.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种简单且廉价的干式油底壳式发动机,适当且平稳地执行产生的窜气的还原处理并且不影响发动机的基本操作。 解决方案:通过压力传感器50监测发动机主体12内的压力状态,控制排出泵40的排出容量的上升/下降。 通过根据产生的窜气量控制排出泵40的排出容量的增减量,排出适合于发动机主体21的运转状态的窜缸气的最适当量的空气, 。 在不设置特定的阀等的情况下,根据包括窜缸气的排出空气,将适当量的排气返回到发动机主体12,进行窜气的燃烧处理 。 版权所有(C)2005,JPO&NCIPI
    • 3. 发明专利
    • Variable intake control device
    • 可变摄像控制装置
    • JP2009228632A
    • 2009-10-08
    • JP2008077950
    • 2008-03-25
    • Toyota Motor Corpトヨタ自動車株式会社
    • YASUHARA SHIGEKI
    • F02B27/02F02M35/10F02M35/104
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To provide a variable intake control device can prevent moisture collected in an intake air passage from freezing and block the intake air passage. SOLUTION: The variable intake control device 6 is provided with an intake pipe 61, a variable intake valve 62, and an actuator 64. The intake pipe 61 includes a first intake air passage 61c making intake air pass therethrough, and a second intake air passage 61d shorter than the first intake air passage 61c. The actuator 64 controls open and close of the variable intake valve 62 to change over the first intake air passage 61c and the second intake air passage 61d. When one hour elapses under a condition where exhaust gas is recirculated into the intake pipe 61 by an EGR device and a short passage condition where the first intake air passage 61c is closed and the second intake air passage 61d is opened, open and close of the variable intake valve 62 is controlled to keep a long passage condition where the first intake air passage 61c is opened and the second intake air passage 61d is closed for one second. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种可变进气控制装置,其可以防止在进气通道中收集的水分冻结并阻塞进气通道。 解决方案:可变进气控制装置6设有进气管61,可变进气门62和致动器64.进气管61包括使进气通过其中的第一进气通道61c, 进气通道61d比第一进气通道61c短。 致动器64控制可变进气门62的打开和关闭,以切换第一进气通道61c和第二进气通道61d。 在废气通过EGR装置再循环到进气管61中的情况下经过一小时,并且第一进气通道61c关闭并且第二进气通道61d打开的短通道状态,打开和关闭 可变进气阀62被控制为保持第一进气通道61c打开并且第二进气通道61d关闭一秒钟的长通道状态。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Oil recovery structure of blow-by gas reducing device
    • 气体减少装置的油回收结构
    • JP2008025347A
    • 2008-02-07
    • JP2006195193
    • 2006-07-18
    • Toyota Motor Corpトヨタ自動車株式会社
    • ITO KAORUYASUHARA SHIGEKIKITAMURA TORU
    • F01M13/00F01M1/06F01M13/04F02B75/22
    • F01M13/04F01M2013/0472F01M2013/0488
    • PROBLEM TO BE SOLVED: To provide an oil recovery structure of a blow-by gas reducing device capable of reducing a moisture quantity in oil recovered from an oil separator.
      SOLUTION: An oil return passage 1b having the upper end opening in a cam chamber and having the lower end opening in a crankcase respectively, is formed over a cylinder block 1 from a cylinder head. A heat exchanger 10 composed of a double tube structure is stored in this oil return passage 1b. Lubricating oil recovered from the cam chamber is made to flow in an oil recovery outside passage of the heat exchanger 10, and separation oil recovered from a separator case 92 of a PCV device is made to flow in an oil recovery inside passage of the heat exchanger 10. Moisture in the separation oil evaporates by imparting heat of the lubricating oil to the separation oil, and a water quantity flowing in an oil pan can be reduced.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够减少从油分离器回收的油中的水分量的窜气减少装置的油回收结构。 解决方案:在气缸盖1上形成有在凸轮室中具有上端开口并且分别具有曲轴箱中的下端开口的回油通道1b。 由双管结构构成的热交换器10被储存在该回油通路1b中。 从凸轮室回收的润滑油在热交换器10的油回收外部通道中流动,并且从PCV装置的分离器壳体92回收的分离油在热交换器的油回收内部通道中流动 分离油中的水分通过将润滑油的热量赋予分离油而蒸发,并且可以减少在油底壳中流动的水量。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Exhaust gas recirculation device of internal combustion engine
    • 内燃机排气回收装置
    • JP2009257089A
    • 2009-11-05
    • JP2008103644
    • 2008-04-11
    • Toyota Motor Corpトヨタ自動車株式会社
    • YASUHARA SHIGEKI
    • F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To provide an exhaust gas recirculation device of an internal combustion engine for necessarily sufficiently restraining freezing of moisture in EGR gas recirculated in an intake system by being cooled by intake air.
      SOLUTION: This exhaust gas recirculation device introduces and recirculates a part of exhaust gas from an exhaust passage into an intake passage as the EGR gas. A heat exchanger dehumidifies the EGR gas by a refrigerant, and an EGR cooler cools the EGR gas by cooling water. An electronic control device dehumidifies the EGR gas by the heat exchanger on condition that the temperature of the intake air flowing in the intake passage is 0°C or less estimated as freezing the moisture in the introduced EGR gas.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种内燃机的废气再循环装置,其必须通过进气被冷却来充分地抑制在进气系统中再循环的EGR气体中的水分的冻结。 解决方案:该废气再循环装置将废气的一部分从排气通道引入并再循环到作为EGR气体的进气通道中。 热交换器通过制冷剂对EGR气体进行除湿,EGR冷却器通过冷却水冷却EGR气体。 电子控制装置通过热交换器对EGR气体进行除湿,其条件是在进气通道中流动的进气的温度为0℃以下时,将导入的EGR气体中的水分冻结。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Blow-by gas recovery structure of internal combustion engine, chain cover unit used in same blow-by gas recovery structure
    • 内燃机发动机气体回收结构,燃气回收结构使用相同的气缸盖组
    • JP2008019794A
    • 2008-01-31
    • JP2006192594
    • 2006-07-13
    • Toyota Motor Corpトヨタ自動車株式会社
    • YASUHARA SHIGEKIIINO SHINGO
    • F01M13/04F01M1/06F01M13/00F02B67/06
    • PROBLEM TO BE SOLVED: To provide a blow-by gas recovery structure of an internal combustion engine and a chain cover unit used in the blow-by gas recovery structure capable of preventing sludge by suppressing dew condensation of water in a middle of a blow-by gas recovery path. SOLUTION: The blow-by gas recovery structure includes the chain cover unit 10 formed of a chain cover body 11, and an oil pump cover 12. The chain cover unit 10 is mounted on a cylinder block, and a space formed between the chain cover unit 10 and the cylinder block is utilized as the blow-by gas recovery path A. Ribs 12g, 12g for reducing a flow rate of blow-by gas by narrowing the blow-by gas recovery path A are integrally formed around an oil discharge port 12e of the oil pump cover 12. Thereby, a part which provides an oil separation function is heated by engine oil, and the dew condensation of the water contained in the blow-by gas can be prevented. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于窜气回收结构中的内燃机和链罩组件的窜气回收结构,其能够通过抑制中间的水的结露来防止污泥 窜气回收路径。 解决方案:窜气回收结构包括由链盖主体11和油泵盖12形成的链盖单元10.链盖单元10安装在气缸体上, 链盖单元10和气缸体用作窜气回收路径A.用于通过使窜气回收路径A变窄来减少窜气的流量的肋12g,12g围绕 油泵盖12的排油口12e。由此,提供油分离功能的部分被发动机油加热,并且可以防止窜气中包含的水的结露。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Cooling device of engine
    • 发动机冷却装置
    • JP2010163920A
    • 2010-07-29
    • JP2009005745
    • 2009-01-14
    • Toyota Motor Corpトヨタ自動車株式会社
    • YASUHARA SHIGEKI
    • F01P7/16
    • PROBLEM TO BE SOLVED: To complete warming-up as the whole engine early by promoting temperature rise of a cylinder head by appropriate cooling of the cylinder head during warming-up of the engine.
      SOLUTION: As a water jacket within the engine, a head-side jacket part Jh and a block-side jacket part Jb are formed respectively on a cylinder head 1 and a cylinder block 2. During warming-up of the engine, flow of cooling water in the block-side jacket part Jb is interrupted to stay cooling water within the cylinder block 2, while cooling water is circulated through the head-side jacket part Jh. While the flow of cooling water in the block-side jacket part Jb is interrupted, the flow rate (head internal flow rate) Qwh of cooling water flowing in the head-side jacket part Jh is limited.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:通过在发动机预热期间适当冷却气缸盖,通过促进气缸盖的温度升高来尽早完成整个发动机的预热。 解决方案:作为发动机内的水套,分别在气缸盖1和气缸体2上形成头侧护套部Jh和块侧护套部Jb。在发动机预热期间, 挡块侧护套部分Jb中的冷却水流中断,以保持缸体2内的冷却水,同时冷却水通过头侧护套部分Jh循环。 在块侧护套部Jb中的冷却水的流动中断的情况下,限制在头侧护套部Jh中流动的冷却水的流量(头部内部流量)Qwh。 版权所有(C)2010,JPO&INPIT