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    • 12. 发明申请
    • Engine
    • 发动机
    • US20100250101A1
    • 2010-09-30
    • US12743118
    • 2008-11-11
    • Takao KawabeTakashi MiyamotoTerumitsu TakahataTetsuo SakakiIsamu Kawashima
    • Takao KawabeTakashi MiyamotoTerumitsu TakahataTetsuo SakakiIsamu Kawashima
    • F02D41/30F02B33/00
    • F02D41/0007F02B37/12F02B2039/168F02D41/221Y02T10/144
    • It is an object to provide an engine that makes it possible to constantly detect the number of rotations of a supercharger with a calculation load of an ECU reduced. An engine 1 is provided with an engine base 8 comprised of a plurality of cylinders and a turbocharger 7, a crank angle sensor 4, a turbo sensor 5 that detects rotations of the turbocharger 7 as pulses, an amplifier 11 that divides the pulses by an arbitrary division ratio and calculates the divided pulses, and an ECU 10 that judges a surge condition of the turbocharger 7, wherein the ECU 10 sets a predetermined position of a piston of each cylinder in a crank angle of the engine base 8 to count start timing of the divided pulses, outputs the divided pulses counted from the count start timing to the number of predetermined rotations as a first output, and judges that, if a difference between the first outputs at every cylinder is more than a predetermined value, the turbocharger 7 is in the surge condition.
    • 本发明的目的是提供一种发动机,其能够以减少的ECU的计算负荷来不断地检测增压器的转数。 发动机1设置有由多个气缸构成的发动机基座8和涡轮增压器7,曲轴转角传感器4,涡轮增压器7的旋转作为脉冲的涡轮传感器5,将脉冲除以一个 任意分频比,并计算分割脉冲,以及判断涡轮增压器7的喘振状态的ECU10,其中,ECU10将各气缸的活塞的规定位置设定在发动机基座8的曲轴角度,以计数开始时刻 将从计数开始定时开始计数的分割脉冲输出为第一输出的规定转数,判断为每个气缸的第一输出之间的差大于预定值时,涡轮增压器7 处于喘振状态。
    • 15. 发明授权
    • Cooling structure of supercharger
    • 增压器冷却结构
    • US08826661B2
    • 2014-09-09
    • US13061444
    • 2009-03-25
    • Terumitsu Takahata
    • Terumitsu Takahata
    • F02B33/44F02B33/00F04B17/00F04D29/049F01D25/26F01D25/14F01P3/20F02B39/00F02B37/00
    • F02B39/005F01D25/145F01D25/26F01P3/207F01P2050/06F01P2060/02F01P2060/045F01P2060/12F02B37/00F04D29/049F05D2220/40
    • In order to reduce radiation heat from the turbine housing of a supercharger, the turbine housing is conventionally water-cooled or covered with a heat shielding material, but it is required to control heat loss due to excessive water cooling or high temperature on the outer surface of the heat shielding material. On the contrary, a solution by a cooling structure consisting of an inner thermal insulation portion of an air layer and an outer low temperature portion covering the inner thermal insulation portion has an inevitable problem of increasing number of components and upsizing. In a cooling structure of a supercharger (2) equipped with a turbine wheel (35) which rotates with exhaust gas from an engine (1) and provided, on the periphery of a turbine housing (40) for housing the turbine wheel (35), with a cooling structure (47) consisting of an inner thermal insulation portion of an air layer (45) and an outer low temperature portion covering the inner thermal insulation portion, the outer low temperature portion is constituted by integrally forming a circulation passage (46) of fresh water in a turbine cover (39) which covers and protects the turbine housing (40).
    • 为了减少来自增压器的涡轮壳体的辐射热,涡轮机壳体通常是水冷或被隔热材料覆盖的,但是需要控制由于过度水冷或由于外表面上的高温导致的热损失 的隔热材料。 相反,通过由空气层的内部绝热部分和覆盖内部绝热部分的外部低温部分组成的冷却结构的解决方案具有增加部件数量和增大尺寸的不可避免的问题。 在具有涡轮机叶轮(35)的增压器(2)的冷却结构中,所述涡轮机叶轮(35)与来自发动机(1)的废气一起旋转并且设置在用于容纳所述涡轮机叶轮(35)的涡轮机壳体(40) ,具有由空气层(45)的内部绝热部分和覆盖所述内部绝热部分的外部低温部分构成的冷却结构(47),所述外部低温部分通过一体地形成循环通道(46 )在覆盖并保护涡轮壳体(40)的涡轮盖(39)中的淡水。
    • 17. 发明申请
    • Cooling Structure Of Supercharger
    • 增压器冷却结构
    • US20110154818A1
    • 2011-06-30
    • US13061444
    • 2009-03-25
    • Terumitsu Takahata
    • Terumitsu Takahata
    • F02C6/12
    • F02B39/005F01D25/145F01D25/26F01P3/207F01P2050/06F01P2060/02F01P2060/045F01P2060/12F02B37/00F04D29/049F05D2220/40
    • In order to reduce radiation heat from the turbine housing of a supercharger, the turbine housing is conventionally water-cooled or covered with a heat shielding material, but it is required to control heat loss due to excessive water cooling or high temperature on the outer surface of the heat shielding material. On the contrary, a solution by a cooling structure consisting of an inner thermal insulation portion of an air layer and an outer low temperature portion covering the inner thermal insulation portion has an inevitable problem of increasing number of components and upsizing. In a cooling structure of a supercharger (2) equipped with a turbine wheel (35) which rotates with exhaust gas from an engine (1) and provided, on the periphery of a turbine housing (40) for housing the turbine wheel (35), with a cooling structure (47) consisting of an inner thermal insulation portion of an air layer (45) and an outer low temperature portion covering the inner thermal insulation portion, the outer low temperature portion is constituted by integrally forming a circulation passage (46) of fresh water in a turbine cover (39) which covers and protects the turbine housing (40).
    • 为了减少来自增压器的涡轮壳体的辐射热,涡轮机壳体通常是水冷或被隔热材料覆盖的,但是需要控制由于过度水冷或由于外表面上的高温导致的热损失 的隔热材料。 相反,通过由空气层的内部绝热部分和覆盖内部绝热部分的外部低温部分组成的冷却结构的解决方案具有增加部件数量和增大尺寸的不可避免的问题。 在具有涡轮机叶轮(35)的增压器(2)的冷却结构中,所述涡轮机叶轮(35)与来自发动机(1)的废气一起旋转并且设置在用于容纳所述涡轮机叶轮(35)的涡轮机壳体(40) ,具有由空气层(45)的内部绝热部分和覆盖所述内部绝热部分的外部低温部分构成的冷却结构(47),所述外部低温部分通过一体地形成循环通道(46 )在覆盖并保护涡轮壳体(40)的涡轮盖(39)中的淡水。