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    • 5. 发明授权
    • Automatic transmission control system
    • 自动变速器控制系统
    • US5772550A
    • 1998-06-30
    • US626067
    • 1996-04-01
    • Shinya KamadaKoichi YamamotoTomoo SawazakiHiroshi ShinozukaKazushi KurokawaTakamichi TeraokaMasakazu HomboNaotaka HiramiYasunori KandaAkinobu AokiTatsuhiko IwasakiTakeyoshi Kawa
    • Shinya KamadaKoichi YamamotoTomoo SawazakiHiroshi ShinozukaKazushi KurokawaTakamichi TeraokaMasakazu HomboNaotaka HiramiYasunori KandaAkinobu AokiTatsuhiko IwasakiTakeyoshi Kawa
    • F16H59/08F16H59/38F16H61/00F16H61/02F16H61/04F16H61/06F16H61/08F16H61/14F16H61/21F16H61/686F16H63/30
    • F16H61/061F16H59/08F16H2059/385F16H2061/0255F16H2061/0444F16H2061/0455F16H2061/0466F16H2061/0488F16H61/0021F16H61/0206F16H61/067F16H61/08F16H61/14F16H61/21F16H63/3003
    • A control system for an automatic transmission having a transmission gear mechanism and a plurality of friction coupling elements which are selectively locked and unlocked with hydraulic oil to change power transmission paths to place the automatic transmission into desired available gears, a first one of the friction coupling elements having a locking pressure chamber and an unlocking pressure chamber and being locked when operating oil is supplied into only the locking pressure chamber and unlocking when operating oil is coincidentally supplied into the locking pressure chamber and the unlocking pressure chamber, and a second one of the friction coupling elements having a locking/unlocking pressure chamber in communication, with the unlocking pressure chamber of the first friction coupling element and being locked only when operation oil is supplied into the locking/unlocking pressure chamber. The control system includes a transition level control for controlling a pressure level of transitional pressure of operating oil increasing in pressure level while being supplied to the locking/unlocking pressure chamber of the second friction coupling element during a first specified gear shift with a first friction coupling element and the second friction coupling element are simultaneously unlocked and locked, respectively, and decreasing while being discharged from the locking/unlocking pressure chamber of the second friction coupling element during a second specific gear shift wherein the first friction coupling element and the second friction coupling element are simultaneously locked and unlocked, respectively, and a transitional duration control for controlling a duration time of the transitional pressure during any one of the first and second specific gear shifts.
    • 一种用于自动变速器的控制系统,其具有变速齿轮机构和多个摩擦联接元件,所述多个摩擦联接元件被选择性地用液压油锁定和解锁,以改变动力传递路径以将自动变速器置于所需可用的齿轮中,第一个摩擦联接 具有锁定压力室和解锁压力室的元件,并且当操作油被仅供给到锁定压力室时被锁定,并且当操作油被合适地供应到锁定压力室和解锁压力室中时解锁,并且第二个 具有与第一摩擦联接元件的解锁压力室连通的锁定/解锁压力室的摩擦联接元件,并且仅当操作油被供应到锁定/解锁压力室时才被锁定。 控制系统包括过渡电平控制,用于控制在第一特定变速期间在第一摩擦联接器中将第二摩擦联接元件的第二摩擦联接元件的锁定/解锁压力室供给到压力水平上升的工作油的过渡压力的压力水平 元件和第二摩擦联接元件分别同时解锁和锁定,并且在第二特定变速期间从第二摩擦联接元件的锁定/解锁压力室排出时减小,其中第一摩擦联接元件和第二摩擦联接器 元件分别同时被锁定和解锁,以及过渡持续时间控制,用于在第一和第二特定档位中的任何一个期间控制过渡压力的持续时间。
    • 7. 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。
    • 8. 发明申请
    • AUTOMATIC TRANSMISSION
    • 自动变速器
    • US20080070741A1
    • 2008-03-20
    • US11780093
    • 2007-07-19
    • Norio IwashitaShinya KamadaTakamichi TeraokaTokimori SakaJunichi DoiTatsuhiko Iwasaki
    • Norio IwashitaShinya KamadaTakamichi TeraokaTokimori SakaJunichi DoiTatsuhiko Iwasaki
    • F16H3/62F16H3/44
    • F16H3/66F16H2200/0052F16H2200/201F16H2200/2043
    • There are provided a first planetary gear set including a first sun gear, a first carrier, and a first ring gear; a second planetary gear set including a second sun gear, a second carrier, and a second ring gear; and a third planetary gear set including a third sun gear, a third carrier, and a third ring gear. A first forward speed ratio is established with the engagement of a third brake and a first clutch; a second forward speed ratio is established with the engagement of a first brake and the first clutch; a third forward speed ratio is established with the engagement of a second brake and the first clutch; a fourth forward speed ratio is established with the engagement of the first clutch and a second clutch; a fifth forward speed ratio is established with the engagement of the second brake and the second clutch; and a sixth forward speed ratio is established with the engagement of the first brake and the second clutch.
    • 提供了包括第一太阳轮,第一行星架和第一齿圈的第一行星齿轮组; 第二行星齿轮组,包括第二太阳齿轮,第二行星架和第二齿圈; 以及包括第三太阳齿轮,第三行星架和第三齿圈的第三行星齿轮组。 通过第三制动器和第一离合器的接合建立第一前进速度比; 通过第一制动器和第一离合器的接合建立第二前进速度比; 通过第二制动器和第一离合器的接合建立第三前进速比; 通过第一离合器和第二离合器的接合建立第四前进速度比; 通过第二制动器和第二离合器的接合建立第五前进速度比; 并且通过第一制动器和第二离合器的接合建立第六前进速度比。