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    • 1. 发明专利
    • 無段変速機のベルトエレメント
    • 连续可变传输的带元素
    • JP2014228084A
    • 2014-12-08
    • JP2013109180
    • 2013-05-23
    • トヨタ自動車株式会社Toyota Motor Corp
    • YAMADA TAKESHIAOTO ICHIROINASE YUTSUCHIYA SHINJI
    • F16G5/16F16G5/00F16H9/12
    • 【課題】ベルトエレメントの噛み込みに伴うプーリの振動の発生を抑制する。【解決手段】エレメント24は、値(A+B)/2が値(C+D)/2より大きくなるように、且つ値Eが値(C+D)/2より小さくなるように、形成されている。ベルト幅方向にてエレメント24中央の板厚を小さくすることで、エレメント24の剛性が低下させられるので、プーリに噛み込んでいるときにエレメント24が変形し易くされる。又、ベルト径方向にてエレメント24外周側の板厚を大きくすることで、一対のプーリ間に掛け渡された伝動ベルト10において弦部がベルト径方向外周側に膨らむ形とされるので、エレメント24がプーリに噛み込みときの角度が改善されてスムーズにプーリに噛み込まされる。よって、エレメント24の噛み込みに伴うプーリの振動の発生を抑制することができる。【選択図】図3
    • 要解决的问题:伴随皮带元件的接合,抑制滑轮的振动的产生。解决方案:形成元件24,使得值(A + B)/ 2大于值(C + D)/ 2,值E小于值(C + D)/ 2。 在元件24的中心处的板厚在带的宽度方向上减小,使得元件24的刚性降低,并且元件24能够容易地与滑轮接合而变形。 此外,元件24的外周侧的板厚在带径向方向上增大,使得挂在一对带轮之间的传动带10的弦部向径向的外周侧扩展 带子和元件24与滑轮的接合角度得到改善,从而元件24能够与滑轮平滑地接合。 因此,可以抑制与元件24的接合伴随的皮带轮的振动的产生。
    • 3. 发明专利
    • Vehicle and method of determining traveling state thereof
    • 确定其行驶状态的车辆及方法
    • JP2008057352A
    • 2008-03-13
    • JP2006232378
    • 2006-08-29
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA TAKESHI
    • F02D29/02B60K35/00
    • G01M17/007
    • PROBLEM TO BE SOLVED: To properly determine whether the traveling state of a vehicle is excellent or not with respect to energy efficiency.
      SOLUTION: When an accelerator opening Acc is less than a flat road threshold Aref 1, an ECO indicator is turned on (S120, S190). When the accelerator opening Acc is equal to or more than an uphill road threshold Aref 2 larger than the flat road threshold value Aref 1, the ECO indicator is turned off (S120, S220). When the accelerator opening Acc is equal to or more than the flat road threshold value Aref 1 and less than the uphill road threshold Aref 2, the state of the ECO indicator so far is estimated until the determination of the uphill road performed according to a vehicle speed V is completed, and after the determination of the uphill road is completed, the ECO indicator is turned on or off depending on the result (S120, S140 to S220).
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了正确地确定车辆的行驶状态是否优于能量效率。

      解决方案:当加速器开度Acc小于平均道路阈值Aref 1时,ECO指示灯亮起(S120,S190)。 当加速器开度Acc等于或大于比平均道路阈值Aref 1大的上坡道路阈值Aref2时,ECO指示器被关闭(S120,S220)。 当加速器开度Acc等于或大于平均道路阈值Aref 1且小于上坡道路阈值Aref 2时,估计到目前为止的ECO指示器的状态,直到根据车辆确定上坡路 速度V完成,并且在上坡道路的确定完成之后,ECO指示灯根据结果被打开或关闭(S120,S140到S220)。 版权所有(C)2008,JPO&INPIT

    • 4. 发明专利
    • Exhaust heat recovery device
    • 排气热回收装置
    • JP2006312884A
    • 2006-11-16
    • JP2005134958
    • 2005-05-06
    • Sango Co LtdToyota Motor Corpトヨタ自動車株式会社株式会社三五
    • OISHI MASARUHASE SHUICHISUZUKI KOICHIOGAWA SUMIOYAMADA TAKESHI
    • F01N5/02F01N13/08
    • Y02T10/16
    • PROBLEM TO BE SOLVED: To provide an exhaust heat recovery device having a heat exchange path and a bypass path, which inhibits the condensate generated in a heat exchanger from flowing back to a bypass path side and inhibits blockage of the bypass path and malfunction of a switching valve caused by freezing of the condensate. SOLUTION: The exhaust heat recovery device 1 comprises the heat exchange path 4 equipped with the heat exchanger 8 for heat-exchanging between exhaust gas and a medium, and the bypass path 5 for bypassing the heat exchanger 8. A valve element 10 is provided in the bypass path 5, and a backflow inhibiting part 12, which allows the exhaust gas to flow through the bypass path 5 even when the valve element 20 is operated to close, is provided in the valve element 10 or in a portion of the bypass path 5 where the valve element 10 is located. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种具有热交换路径和旁路路径的废热回收装置,其阻止在热交换器中产生的冷凝物回流到旁路路径侧并且阻止旁路路径的阻塞, 由冷凝液冷冻引起的切换阀故障。 解热方案:废热回收装置1包括配备有用于排气和介质之间的热交换的热交换器8的热交换路径4和用于旁路热交换器8的旁通路5。阀元件10 设置在旁路路径5中,并且即使在阀元件20操作关闭时也允许废气流过旁路通路5的回流抑制部12设置在阀元件10中或部分 阀元件10所在的旁路路径5。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Rotation angle detector for internal combustion engine
    • 内燃机用旋转角探测器
    • JP2005264812A
    • 2005-09-29
    • JP2004078105
    • 2004-03-18
    • Nippon Soken IncToyota Motor Corpトヨタ自動車株式会社株式会社日本自動車部品総合研究所
    • SATO FUMIHIKOKAJIWARA KOJITAKAHASHI YOSHIMASAYAMADA TAKESHIIIZUKA MOTOMASATANABE HISAO
    • G01B21/22F02D9/02F02D41/12F02D45/00
    • PROBLEM TO BE SOLVED: To correct a rotation angle error caused by tolerance in manufacture.
      SOLUTION: This rotation angle detector for an internal combustion engine is provided with a rotation angle detecting means 18A for detecting the rotation angle of a crankshaft 8 of the internal combustion engine 1 based on an output signal of a crank angle sensor 15, and a rotation angle correcting means 18B for correcting the error of the rotation angle detected by the rotation angle detecting means 18A. The rotation angle correcting means 18B is provided with a throttle opening adjusting function 18B
      1 for opening a throttle valve 12 when the internal combustion engine 1 is in a fuel cut-off state, and a rotation angle error correcting function 18B
      2 for correcting the error of the rotation angle at predetermined timing based on the output signal of the crank angle sensor 15 acquired when the throttle valve 12 is open in the fuel cut-off state.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:纠正由制造中的公差引起的旋转角度误差。 解决方案:用于内燃机的该旋转角度检测器设置有旋转角度检测装置18A,用于根据曲柄角传感器15的输出信号检测内燃机1的曲轴8的旋转角度, 以及用于校正由旋转角度检测装置18A检测到的旋转角度的误差的旋转角度校正装置18B。 当内燃机1处于燃料切断状态时,旋转角度校正装置18B设置有用于打开节气门12的节气门开度调节功能18B <1> SB,并且旋转角度误差校正 功能18B 2 ,用于基于在节气门12在燃料切断状态下打开时获取的曲柄角传感器15的输出信号来校正在预定定时的旋转角度的误差。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Heat exchanger
    • 热交换器
    • JP2007285264A
    • 2007-11-01
    • JP2006115968
    • 2006-04-19
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA TAKESHI
    • F01N5/02B60H1/18F28D7/10
    • F28F27/02F28D7/103F28D7/106F28D21/0003F28F2250/06
    • PROBLEM TO BE SOLVED: To provide a heat exchanger inhibiting increase of flow resistance of low temperature fluid due to heat exchange with high temperature fluid.
      SOLUTION: In a heat exchanger 10 for exhaust heat recovery, an exhaust gas heat exchanger path 38 for circulating exhaust gas which is high temperature fluid and a cooling water heat exchange path 44 for circulating engine cooling water which is low temperature fluid exchanging heat with exhaust gas are adjacently provided. Channel cross-sectional area of the cooling water heat exchange path 44 is continuously expanded from an upstream side toward a downstream side in a flow direction of engine cooling water.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种抑制由于与高温流体的热交换而导致的低温流体的阻力增加的热交换器。 解决方案:在用于排气热回收的热交换器10中,设置用于使作为高温流体的废气循环的排气热交换器路径38和用于循环低温流体交换的发动机冷却水的冷却水热交换路径44 排气附近的热量相邻。 冷却水热交换路径44的通道截面积从发动机冷却水的流动方向的上游侧向下游侧连续地膨胀。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Misfire detection device
    • MISFIRE检测装置
    • JP2005344523A
    • 2005-12-15
    • JP2004162293
    • 2004-05-31
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATO FUMIHIKOYAMADA TAKESHITAKAHASHI YOSHIMASA
    • G01M15/04F02D45/00G01M15/00
    • PROBLEM TO BE SOLVED: To provide a misfire detection device capable of improving misfire determination precision by precisely defining torque generated by an internal combustion engine. SOLUTION: This device is provided with a generated torque estimation means 18B estimating torque generated by the internal combustion engine 1, a load fluctuation eliminating means 18E establishing generated torque estimated by the generated torque estimation means 18B when the internal combustion engine 1 is under a predetermined condition as offset torque and correcting generated torque estimated by the generated torque estimation means 18B by using the offset torque, a predicted torque estimation means 18D estimating predicted torque which the internal combustion engine 1 should generate according to an operation condition of the internal combustion engine 1, and a misfire determination means 18A determining existence of misfire by comparing generated torque corrected by the load fluctuation eliminating means 18E and predicted torque estimated by the predicted torque estimation means 18D. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够通过精确地确定由内燃机产生的扭矩来提高失火判定精度的失火检测装置。 解决方案:该装置设置有估计由内燃机1产生的转矩的生成转矩估计装置18B,当内燃机1为内燃机1时由所产生的转矩估计装置18B估计的产生的转矩估计装置的负载变动消除装置18E 在作为偏移转矩的预定条件下,通过使用偏移转矩来校正由所生成的转矩估计装置18B估计的产生转矩,根据内部运行状态来估计内燃机1应产生的预测转矩的预测转矩估计装置18D 内燃发动机1和通过比较由负荷波动消除装置18E校正的产生的扭矩和由预测转矩估计装置18D估计的预测转矩来确定存在失火的失火判定装置18A。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Failure diagnosis device for cylinder pressure sensor
    • 气缸压力传感器故障诊断装置
    • JP2005330847A
    • 2005-12-02
    • JP2004148262
    • 2004-05-18
    • Toyota Motor Corpトヨタ自動車株式会社
    • SATO FUMIHIKOKANAMARU MASANOBUYAMADA TAKESHITAKAHASHI YOSHIMASA
    • F02D45/00
    • PROBLEM TO BE SOLVED: To provide a failure diagnosis device for a cylinder pressure sensor capable of accurately diagnosing failure of the cylinder pressure sensor without being influenced by the disturbance such as throttle opening or a combustion state.
      SOLUTION: This failure diagnosis device for the cylinder pressure sensor is provided with a first torque estimating means (cylinder pressure torque estimating function) 15A
      1 for estimating torque of an internal combustion engine 1 from an output value of the cylinder pressure sensor 11 detecting a pressure in a combustion chamber of the internal combustion engine 1, a second torque estimating means (inertia torque estimating function) 15C
      1 for estimating the torque of the internal combustion engine 1 with the usage of angular acceleration of a crank shaft 8 obtained from an output value of a crank angle detection means 12, and a cylinder pressure sensor failure determination means 15D for determining presence/absence of the failure of the cylinder pressure sensor 11 by comparing the toque obtained by the first torque estimating means 15A
      1 and the torque obtained by the second torque estimating means 15C
      1 .
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够精确地诊断气缸压力传感器的故障的气缸压力传感器的故障诊断装置,而不受诸如节气门开度或燃烧状态的扰动的影响。 解决方案:用于气缸压力传感器的故障诊断装置设置有用于从输出估计内燃机1的扭矩的第一扭矩估计装置(气缸压力转矩估计功能)15A 1 用于检测内燃机1的燃烧室内的压力的气缸压力传感器11的值,用于估计内燃机的转矩的第二转矩估计装置(惯性转矩估计功能)15C 1 利用曲柄角检测装置12的输出值得到的曲柄轴8的角加速度的使用图1以及用于通过比较确定气缸压力传感器11的故障有无的气缸压力传感器故障判定单元15D 由第一扭矩估计装置15A 1获得的转矩和由第二转矩估计装置15C 获得的转矩。 版权所有(C)2006,JPO&NCIPI