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    • 5. 发明专利
    • Water jacket structure of the cylinder head
    • 气缸盖水封结构
    • JP2014084737A
    • 2014-05-12
    • JP2012232256
    • 2012-10-19
    • Honda Motor Co Ltd本田技研工業株式会社
    • FUJII TAKESHIIGAWA MASATAKAMATSUMOCHI YUJI
    • F02F1/36F01P3/02F02F1/40F02F1/42
    • F02F1/243F01P2003/024F01P2003/028F02F1/40
    • PROBLEM TO BE SOLVED: To provide a water jacket structure of a cylinder head capable of restraining residence of gas and air during forging while improving cooling efficiency of an exhaust collection part.SOLUTION: The water jacket structure comprises: plural combustion chamber peak parts 21; plural exhaust ports 23; an exhaust collection part 24 for collecting the plural exhaust ports 23; an upper exhausting water jacket 80 arranged on an upper side to the exhaust collection part 23; and a lower exhausting water jacket 90 arranged on a lower side to the exhaust collection part 24. The upper exhausting water jacket 80 and the lower exhausting water jacket 90 form flow passages independent from each other. The upper exhausting water jacket 80 has a protrusion part 81, and the lower exhausting water jacket has a protrusion part 91. The protrusion part 81 and the protrusion part 91 are spaced from each other by a predetermined interval in a cylinder axial line direction. A protrusion amount L1 of the protrusion part 81 is smaller than a protrusion part L2 of the protrusion part 91.
    • 要解决的问题:提供一种能够在锻造期间抑制气体和空气停留的气缸盖的水套结构,同时提高排气收集部件的冷却效率。解决方案:水套结构包括:多个燃烧室峰部21; 多个排气口23; 用于收集多个排气口23的排气收集部24; 布置在排气收集部23的上侧的上排气水套80; 以及布置在排气收集部分24的下侧的较低排水套管90.上排水套管80和下排水套管90彼此独立地形成流动通道。 上排水套80具有突出部81,下排水套具有突出部91.突起部81和突出部91在筒轴方向上隔开规定的间隔。 突出部81的突出量L1小于突起部91的突出部L2。
    • 6. 发明专利
    • Cooling circuit for engine
    • 发动机冷却电路
    • JP2013024083A
    • 2013-02-04
    • JP2011157899
    • 2011-07-19
    • Isuzu Motors Ltdいすゞ自動車株式会社
    • IIJIMA AKIRA
    • F01P7/16F02M25/07
    • F01P3/02F01P7/165F01P2003/028F01P2037/02F02M26/28
    • PROBLEM TO BE SOLVED: To suppress degradation of fuel consumption by reducing an unnecessary drive force of a water pump.SOLUTION: A cooling circuit 1 includes an EGR cooling water passage 11 connected to an engine cooling water supplying passage 8 on a downstream of a water pump 9, an EGR cooler 12 provided in the EGR cooling water passage 11 and for cooling exhaust gas recirculated from an exhaust system to an intake system of an engine 2, an EGR cooler side blocking valve 17 provided in the EGR cooling water passage 11, and a controller 16 for controlling the EGR cooler side blocking valve 17. The controller 16 opens the EGR cooler side blocking valve 17 within an EGR range where an exhaust gas recirculation for recirculating exhaust gas from an exhaust system to an intake system of an engine 2 is performed in order to flow cooling water to the EGR cooler 12, and the controller 16 closes the EGR cooler side blocking valve 17 out of the EGR range so as to block a water from flowing into the EGR cooler 12.
    • 要解决的问题:通过减少水泵的不必要的驱动力来抑制燃料消耗的劣化。 解决方案:冷却回路1包括在水泵9的下游连接到发动机冷却水供应通道8的EGR冷却水通道11,设置在EGR冷却水通道11中并用于冷却排气的EGR冷却器12 从排气系统再循环到发动机2的进气系统的气体,设置在EGR冷却水通道11中的EGR冷却器侧阻塞阀17,以及用于控制EGR冷却器侧阻塞阀17的控制器16.控制器16打开 在EGR范围内的EGR冷却器侧阻塞阀17,其中执行用于使废气从排气系统再循环到发动机2的进气系统的废气再循环,以便将冷却水流向EGR冷却器12,并且控制器16关闭 EGR冷却器侧阻塞阀17排出EGR范围,以阻止水流入EGR冷却器12.版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Cooling device for internal combustion engine
    • 内燃机用冷却装置
    • JP2008157102A
    • 2008-07-10
    • JP2006346507
    • 2006-12-22
    • Toyota Motor Corpトヨタ自動車株式会社
    • KANEKO SHINYANOKAWA SHINICHIRO
    • F02F1/36F01P3/02F01P3/12F01P3/18
    • F02F1/243F01P2003/027F01P2003/028
    • PROBLEM TO BE SOLVED: To improve exhaust emission purification performance by efficiently using heat recovered from exhaust gas, in a cooling device for an internal combustion engine.
      SOLUTION: An intake side water jacket 52 penetrating a peripheral part of an intake port 17, and an exhaust side water jacket 53 penetrating peripheral parts of an exhaust port and an exhaust collecting passage 32 are formed in a cylinder head 12. A water pump 67 can supply cooling water to a water jacket 51 and the intake side water jacket 52 through a first cooling water supply passage 68, and on the other hand, can supply the cooling water to the exhaust side water jacket 53 through a second cooling water passage 69. The cooling water of the exhaust water jacket 53 can be supplied to a cooling water passage of a turbocharger 35 through a third cooling water supply passage 70.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过有效地利用从废气中回收的热量,在内燃机的冷却装置中提高排气净化性能。 解决方案:在气缸盖12中形成有穿过进气口17的周边部分的进气侧水套52和贯穿排气口和排气收集通道32的周边部分的排气侧水套53。 水泵67可以通过第一冷却水供给路68向水套51和吸入侧水套52供给冷却水,另一方面,能够通过第二冷却向排气侧水套53供给冷却水 水通道69.排水水套53的冷却水可以通过第三冷却水供应通道70供应到涡轮增压器35的冷却水通道。版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Engine of cylinder head precedence cooling type
    • 发动机气缸前端冷却型
    • JP2005036668A
    • 2005-02-10
    • JP2003197843
    • 2003-07-16
    • Mitsubishi Motors Corp三菱自動車工業株式会社
    • YAMAMOTO AKIMASA
    • F01P3/02F02F1/10F02F1/36F02F1/38F02F1/40
    • F02F1/40F01P3/02F01P2003/021F01P2003/024F01P2003/028
    • PROBLEM TO BE SOLVED: To provide an engine of cylinder head precedence cooling type which can efficiently cool an intake port.
      SOLUTION: The engine 1 of cylinder head precedence cooling type is provided to supply cooling water (cooling medium) from a head cooling channel 14 formed around the intake port 12 and an exhaust port 13 provided in a cylinder head 3 and to then feed the cooling water to a water jacket (block cooling channel) 8 provided in a cylinder block 2. The engine 1 includes a flow rate regulating member 16 provided near a supply port 15 to which the cooling water flows to the head cooling channel 14 to increase an amount of the cooling water flowing to the exhaust port 13 side in an amount of the cooling water flowing to the intake port 12 side in the head cooling channel 14 as compared with an amount of the cooling water flowing to the exhaust port 13 side.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种可以有效地冷却进气口的气缸盖优先冷却型发动机。 解决方案:提供气缸盖优先冷却型的发动机1,用于从形成在进气口12周围的头部冷却通道14和设置在气缸盖3中的排气口13供应冷却水(冷却介质),然后 将冷却水供给到设置在气缸体2中的水套(块冷却通道)8。发动机1包括流量调节构件16,该流量调节构件16设置在供给口15附近,冷却水流向头部冷却通道14至其 与流向排气口13侧的冷却水的量相比,增加流到排气口13侧的冷却水的量与头部冷却通道14中的进气口12侧的冷却水量相比 。 版权所有(C)2005,JPO&NCIPI