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    • 1. 发明申请
    • Automatic transmission
    • 自动变速器
    • US20070060439A1
    • 2007-03-15
    • US11513081
    • 2006-08-31
    • Shinya KamadaJunichi DoiTakamichi TeraokaTokimori SakaTatsutoshi MizobeNaohiro SakaueYoshihiko FujitaNorio IwashitaSatoshi KomoriKazuhiko UedaSeiji Esaki
    • Shinya KamadaJunichi DoiTakamichi TeraokaTokimori SakaTatsutoshi MizobeNaohiro SakaueYoshihiko FujitaNorio IwashitaSatoshi KomoriKazuhiko UedaSeiji Esaki
    • F16H3/44
    • F16H3/66F16H2200/0052F16H2200/2012F16H2200/2043F16H2200/2097
    • In an automatic transmission (AT) in which an input shaft (Input) and an output gear (Output) are disposed on the same axis and three clutches (C1-C3) and two brakes (B1, B2) are selectively operated to provide six forward speeds, first and second planetary gear sets (GS1, GS2) are configured to consistently reduce the speed of input rotation and output the speed-reduced rotation, thereby enabling downsizing of them. The first and second planetary gear sets (GS1, GS2) are arranged in a transmission case at both the axial ends thereof. Third and fourth planetary gear sets (GS3, GS4) are connected to each other to have four rotation elements in combination, thereby constituting a Simpson planetary gear train. One of the four rotation elements (a fourth carrier (PC4) in an illustrated example) is connected to the output gear (Output). Rotations input and reduced in speed by the first and second planetary gear sets (GS1, GS2) are input to sun gears (S3, S4) of the third and fourth planetary gear sets (GS3, GS4), respectively. First to third clutches (C1-C3) and a first brake (B1) are arranged to surround the first and second planetary gear sets (GS1, GS2).
    • 在其中输入轴(输入)和输出齿轮(输出)设置在同一轴上并且三个离合器(C 1 -C 3)和两个制动器(B 1,B 2)被选择性地设置的自动变速器(AT) 操作以提供六个前进速度,第一和第二行星齿轮组(GS 1,GS 2)被配置为一致地降低输入旋转速度并输出减速旋转,从而实现它们的小型化。 第一和第二行星齿轮组(GS 1,GS 2)在轴向两端布置在变速箱中。 第三和第四行星齿轮组(GS 3,GS 4)彼此连接以组合四个旋转元件,从而构成辛普森行星齿轮系。 四个旋转元件(图示例中是第四个载体(PC4))中的一个连接到输出齿轮(输出)。 通过第一和第二行星齿轮组(GS 1,GS 2)输入和减速的转速分别输入到第三和第四行星齿轮组(GS 3,GS 4)的太阳轮(S 3,S 4) 。 第一至第三离合器(C 1 -C 3)和第一制动器(B 1)布置成围绕第一和第二行星齿轮组(GS 1,GS 2)。
    • 5. 发明授权
    • Automatic transmission
    • 自动变速器
    • US07553253B2
    • 2009-06-30
    • US11513081
    • 2006-08-31
    • Shinya KamadaJunichi DoiTakamichi TeraokaTokimori SakaTatsutoshi MizobeNaohiro SakaueYoshihiko FujitaNorio IwashitaSatoshi KomoriKazuhiko UedaSeiji Esaki
    • Shinya KamadaJunichi DoiTakamichi TeraokaTokimori SakaTatsutoshi MizobeNaohiro SakaueYoshihiko FujitaNorio IwashitaSatoshi KomoriKazuhiko UedaSeiji Esaki
    • F16H3/62
    • F16H3/66F16H2200/0052F16H2200/2012F16H2200/2043F16H2200/2097
    • In an automatic transmission (AT) in which an input shaft (Input) and an output gear (Output) are disposed on the same axis and three clutches (C1-C3) and two brakes (B1, B2) are selectively operated to provide six forward speeds, first and second planetary gear sets (GS1, GS2) are configured to consistently reduce the speed of input rotation and output the speed-reduced rotation, thereby enabling downsizing of them. The first and second planetary gear sets (GS1, GS2) are arranged in a transmission case at both the axial ends thereof. Third and fourth planetary gear sets (GS3, GS4) are connected to each other to have four rotation elements in combination, thereby constituting a Simpson planetary gear train. One of the four rotation elements (a fourth carrier (PC4) in an illustrated example) is connected to the output gear (Output). Rotations input and reduced in speed by the first and second planetary gear sets (GS1, GS2) are input to sun gears (S3, S4) of the third and fourth planetary gear sets (GS3, GS4), respectively. First to third clutches (C1-C3) and a first brake (B1) are arranged to surround the first and second planetary gear sets (GS1, GS2).
    • 在其中输入轴(输入)和输出齿轮(输出)设置在同一轴上的自动变速器(AT)中,并且选择性地操作三个离合器(C1-C3)和两个制动器(B1,B2)以提供六 前进速度,第一和第二行星齿轮组(GS1,GS2)被配置为一致地降低输入旋转的速度并输出减速旋转,从而实现它们的小型化。 第一和第二行星齿轮组(GS1,GS2)在其轴向两端都布置在变速器壳体中。 第三和第四行星齿轮组(GS3,GS4)彼此连接以组合四个旋转元件,从而构成辛普森行星齿轮系。 四个旋转元件中的一个(在图示的例子中为第四载体(PC4))连接到输出齿轮(输出)。 通过第一和第二行星齿轮组(GS1,GS2)输入和减速的转速分别输入到第三和第四行星齿轮组(GS3,GS4)的太阳齿轮(S3,S4)。 第一至第三离合器(C1-C3)和第一制动器(B1)被布置成围绕第一和第二行星齿轮组(GS1,GS2)。
    • 8. 发明申请
    • Automatic transmission
    • 自动变速器
    • US20080300095A1
    • 2008-12-04
    • US12155264
    • 2008-05-30
    • Junichi DoiShinya KamadaTakamichi TeraokaTokimori SakaTatsuhiko IwasakiNaohiro SakaueTatsutoshi MizobeHideo ToyotaKensuke UedaNorio Iwashita
    • Junichi DoiShinya KamadaTakamichi TeraokaTokimori SakaTatsuhiko IwasakiNaohiro SakaueTatsutoshi MizobeHideo ToyotaKensuke UedaNorio Iwashita
    • F16H3/62
    • F16H3/66F16H2200/0052F16H2200/201F16H2200/2043F16H2200/2046
    • An automatic transmission comprises first, second and third gear sets 10, 20, 30 each formed as a single-pinion type planetary gear set, first and second clutches 40, 50, and first, second and third brakes 60, 70, 80. A first sun gear 11, a first ring gear 14, a second ring gear 24, a third sun gear 31 and a first carrier 13 are continuously interconnected with a second sun gear 21, a second carrier 23, a third carrier 33, an input shaft 4 and an output gear 7, respectively. The first clutch 40 is operable to selectively connect and disconnect the first sun gear 11 and the second sun gear 21 to/from the input shaft 4, and the second clutch 50 is operable to selectively connect and disconnect the first ring gear 14 and the second carrier 13 to/from the input shaft 4. The first brake 60 is operable to selectively connect and disconnect the first ring gear 14 and the second carrier 23 to/from a casing 6. The second brake 70 is operable to selectively connect and disconnect the second ring gear 24 and the third carrier 33 to/from the casing 6, and the third brake is operable to selectively connect and disconnect the third ring gear 34 to/from the casing 6. The clutches and brakes are selectively placed in their engaged states to establish six forward speed stages and a reverse speed stage.
    • 自动变速器包括分别形成为单小齿轮型行星齿轮组,第一和第二离合器40,50以及第一,第二和第三制动器60,70,80的第一,第二和第三齿轮组10,20,30。 第一太阳齿轮11,第一齿圈14,第二齿圈24,第三太阳轮31和第一行星架13与第二太阳轮21,第二行星架23,第三行星架33,输入轴 4和输出齿轮7。 第一离合器40可操作以选择性地将第一太阳轮11和第二太阳齿轮21连接到输入轴4或从输入轴4断开,并且第二离合器50可操作以选择性地连接和断开第一齿圈14和第二齿圈14。 载体13到/从输入轴4.第一制动器60可操作以选择性地将第一环形齿轮14和第二承载件23连接到壳体6上。第二制动器70可操作以选择性地连接和断开 第二环形齿轮24和第三承载件33接合到壳体6,并且第三制动器可操作以选择性地将第三环形齿轮34连接到壳体6或从壳体6断开。离合器和制动器选择性地被置于其接合状态 建立六个前进速度阶段和一个倒车阶段。
    • 9. 发明授权
    • Automatic transmission
    • 自动变速器
    • US07891476B2
    • 2011-02-22
    • US11876954
    • 2007-10-23
    • Tatsuhiko IwasakiJunichi DoiTatsutoshi MizobeNaohiro Sakaue
    • Tatsuhiko IwasakiJunichi DoiTatsutoshi MizobeNaohiro Sakaue
    • F16D25/0638
    • F16H63/3026F16D21/06F16D2021/0661F16H3/66F16H2200/0052F16H2200/201
    • Each of first and second multi-plate clutches comprises a clutch outer cylinder portion provided to be coaxial with the input shaft and connected with a first or second rotational element, a clutch inner cylinder portion provided to be coaxial with an input shaft, plural clutch plates provided between these cylinder portions to slide in an axial direction of the input shaft within the clutch outer or inner cylinder portion, and a clutch piston provided to slide in the axial direction and press the clutch plates for connecting the clutch outer cylinder portion with the clutch inner cylinder portion. The clutch outer and inner cylinder portions of each of the first and second multi-plate clutches are provided in the axial direction, and there is provided a support wall portion that is connected with the input shaft and supports the clutch inner cylinder portion of each of the multi-plate clutches.
    • 第一和第二多板离合器中的每一个包括设置成与输入轴同轴并与第一或第二旋转元件连接的离合器外筒部分,设置成与输入轴同轴的离合器内筒部分,多个离合器片 设置在这些气缸部之间,在离合器外筒部或内筒部内沿输入轴的轴向滑动;离合器活塞,设置成沿轴向滑动,并且按压离合器片,用于将离合器外筒部与离合器 内筒部。 第一和第二多板离合器的离合器外筒部和内筒部分沿轴向设置,并且设置有支撑壁部分,其与输入轴连接并支撑每个的离合器内筒部分 多板离合器。