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    • 2. 发明专利
    • Power transmission device
    • 电力传输装置
    • JP2014119071A
    • 2014-06-30
    • JP2012275881
    • 2012-12-18
    • Toyota Motor Corpトヨタ自動車株式会社Aisin Aw Co Ltdアイシン・エィ・ダブリュ株式会社
    • TSUCHIDA MITSUTAKAMURATA SOHEIKAWAMINAMI MITSUHIROTAKEDA YASUNORITEJIMA TOKUJISADA NATSUKIAOKI HIDETOSHI
    • F16H57/021B60K6/365B60K6/48F16H1/28
    • Y02T10/6221
    • PROBLEM TO BE SOLVED: To provide a power transmission device the NV performance of which can be prevented from deteriorating, since in the power transmission device, the oscillation of a case caused by an exciting force of a sun gear in a thrust direction can be prevented.SOLUTION: A hybrid power transmission device 1 has a power transmission member 17 for connecting one axial end of a rotor shaft 12 to a sun gear 15, and the power transmission member 17 is freely rotatably supported with a partitioning wall 9a of a body case 9A for partitioning a rotary electric machine 2 and a planetary gear mechanism 5, via a thrust bearing 19. Furthermore, a transaxle case 9 has the body case 9A which is opened at a side on the other axial end side of the rotor shaft 12, and a rear cover 9C which is attached to the body case 9A so as to block the opening of the body case 9A, and which has a pump cover 9D. One axial end of the rotor shaft 12 is freely rotatably supported with the partitioning wall 9a via a ball bearing 24, and the other axial end of the rotor shaft 12 is freely rotatably supported with the pump cover 9D via a ball bearing 23.
    • 要解决的问题:为了提供能够防止NV性能劣化的动力传递装置,因为在动力传递装置中,可以防止由推力方向上的太阳齿轮的激励力引起的壳体的振荡 解决方案:混合动力传递装置1具有用于将转子轴12的一个轴向端连接到太阳轮15的动力传递构件17,并且动力传递构件17可自由旋转地支撑在主体壳体的分隔壁9a上 此外,驱动桥壳体9具有在转子轴12的另一个轴向端侧的侧面开口的主体壳体9A,其特征在于,所述旋转电机2和行星齿轮机构5经由推力轴承19分隔开。 以及后盖9C,其被附接到主体壳体9A以阻挡主体壳体9A的开口,并且具有泵盖9D。 转子轴12的一个轴向端部经由滚珠轴承24与分隔壁9a自由旋转地支撑,并且转子轴12的另一个轴向端部经由滚珠轴承23与泵盖9D自由旋转地支撑。
    • 3. 发明专利
    • Rotor structure
    • 转子结构
    • JP2012241885A
    • 2012-12-10
    • JP2011115964
    • 2011-05-24
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKEDA YASUNORI
    • F16D1/06F16H55/17F16H57/021
    • PROBLEM TO BE SOLVED: To provide a rotor structure in which gear noise can be reduced in a simple configuration.SOLUTION: A rotor structure includes: a secondary shaft 8 on the outer peripheral part of which female involute spline teeth 8a are formed; and a drive gear 9 in the inner peripheral part of which male involute spline teeth 9a are formed. The female involute spline teeth 8a and the male involute spline teeth 9a are engaged while having backlash in a radial direction. The drive gear 9 is supported freely rotatably by a transaxle case via a needle bearing 27 having backlash in the radial direction. The male involute spline teeth 9a are formed in an area which is equal to or less than a half with respect to the circumferential direction of the drive gear 9, and are omitted in the remaining area.
    • 要解决的问题:提供一种转子结构,其可以以简单的结构减少齿轮噪声。 解决方案:转子结构包括:在其外周部分上形成有内螺纹花键齿8a的副轴8; 以及在其内周部分中形成有雄性渐开线花键齿9a的驱动齿轮9。 在沿着径向具有齿隙的同时,内螺旋形花键齿8a和雄性渐开线花键齿9a啮合。 驱动齿轮9通过具有在径向方向上具有间隙的滚针轴承27,由变速驱动桥壳体可自由旋转地支撑。 公形渐开线花键齿9a形成在相对于驱动齿轮9的圆周方向等于或小于一半的区域中,并且在剩余区域中被省略。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Power transmission device
    • 电力传输装置
    • JP2014084995A
    • 2014-05-12
    • JP2012236528
    • 2012-10-26
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKEDA YASUNORIKAWAMINAMI MITSUHIRO
    • F16H57/028
    • PROBLEM TO BE SOLVED: To provide a power transmission device capable of suppressing deformation of a differential case part without changing the shape of the differential case part and capable of suppressing vibrations of the differential case part and, thereby, suppressing noise of a main body case.SOLUTION: A transaxle 10 is provided with: a transaxle housing 11 having a differential case part provided with an insertion hole 32; and a baffle plate 15. The baffle plate 15 has an outer side fan shape part 61 comprising an outer circumferential arcuate part and an inner circumferential arcuate part and is configured so as to contain one lateral surface part in a circumferential direction which connects one edge part in a circumferential direction of the outer circumferential arcuate part and the center axis Jof the insertion hole 32 and the other lateral surface part in the circumferential direction which connects the other edge part in the circular direction of the outer circumferential arcuate part and the center axis Jof the insertion hole. The baffle plate is fastened to the differential case part respectively at one position in the one lateral surface part in the circumferential direction, the other lateral surface part in the circumferential direction and the inner circumferential arcuate part.
    • 要解决的问题:提供一种能够抑制差速器壳体部分的变形而不改变差速器壳体部件的形状并且能够抑制差速器壳体部件的振动并因此抑制主体壳体的噪声的动力传递装置 变速驱动桥10具有:驱动桥壳体11,其具有设置有插入孔32的差速器壳体部; 挡板15具有外周扇形部分61,外侧扇形部分61包括外周弧形部分和内周弧形部分,并且构造成在圆周方向上包含一个侧表面部分,该侧表面部分连接一个边缘部分 在外周弧形部分的圆周方向和插入孔32的中心轴线J以及在外周弧形部分的圆周方向上连接另一边缘部分的圆周方向上的另一侧面部分J和中心轴线J 插孔。 挡板在圆周方向的一个侧面部分的一个位置,圆周方向上的另一个侧面部分和内周圆弧部分分别固定在差速器壳体部分上。
    • 6. 发明专利
    • Meshing gear device of vehicle
    • MESHING齿轮装置
    • JP2012215258A
    • 2012-11-08
    • JP2011081520
    • 2011-04-01
    • Toyota Motor Corpトヨタ自動車株式会社
    • KAWAMINAMI MITSUHIROYAMADA SHOGOTAKEDA YASUNORI
    • F16H55/08
    • PROBLEM TO BE SOLVED: To provide a meshing gear device of a vehicle, which is composed of a pair of helical gears, and can suppress tooth face wear and suppress gear noise.SOLUTION: A tooth face in a meshing start part of a drive gear 68 is cut off, and the apex O2 of a convex curved surface shape formed on the tooth face of the drive gear 68 is set in a position away from the cut-out 80 (meshing start part) so that the meshing in the meshing start part is eliminated by the cut-out 80 formed on the tooth face that corresponds to the meshing start part, thereby suppressing the tooth face wear. Moreover, since the apex O2 of the convex curved surface shape formed on the tooth face 68a of the drive gear 68 is set in a position away from the meshing start part, tooth contact 82 necessary for a gear noise performance can be secured which enables the suppression of gear noise.
    • 要解决的问题:提供由一对斜齿轮构成的车辆啮合齿轮装置,能够抑制齿面磨损并抑制齿轮噪音。 解决方案:驱动齿轮68的啮合起始部分中的齿面被切断,并且形成在驱动齿轮68的齿面上的凸曲面形状的顶点O2被设置在远离驱动齿轮68的位置 切口80(啮合开始部分),使得通过形成在与啮合开始部分相对应的齿面上的切口80来消除啮合开始部分中的啮合,从而抑制齿面磨损。 此外,由于形成在驱动齿轮68的齿面68a上的凸曲面形状的顶点O2被设定在远离啮合开始部分的位置,因此可以确保齿轮噪声性能所需的齿接触82,这使得 抑制齿轮噪音。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • 動力伝達装置
    • JP2019095010A
    • 2019-06-20
    • JP2017226276
    • 2017-11-24
    • TOYOTA MOTOR CORP
    • TAKEDA YASUNORI
    • F16H37/02F16D1/02F16D13/60F16H3/44
    • 【課題】クラッチドラムとギヤとを溶接する際の熱によって、ギヤの歯面部に歪みが発生することを抑制でき、ギヤ同士の噛合によるノイズレベルの悪化を抑制すること。【解決手段】ギヤ機構を介してトルクを伝達する第1動力伝達経路と、無段変速機を介してトルクを伝達する第2動力伝達経路と、動力伝達経路を切り替えるプラネタリ機構と、エンジンとCVTとの間で第1動力伝達経路の係合/解放を行う第1クラッチと、CVTと駆動輪との間で第2動力伝達経路の係合/解放を行う第2クラッチと、第1クラッチを備えるクラッチドラムが溶接される第1ギヤと、第2動力伝達経路の副軸に設けられる第2ギヤと、を備える動力伝達装置において、第1ギヤは、クラッチドラムとの溶接部を有する溶接ギヤ部と歯面部を有する歯面ギヤ部とからなり、溶接ギヤ部と歯面ギヤ部とは、スプライン、ドグ、または圧入により締結されている。【選択図】図3