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    • 3. 发明授权
    • Automatic transmission for hybrid vehicle
    • 混合动力汽车自动变速箱
    • US08784249B2
    • 2014-07-22
    • US13756866
    • 2013-02-01
    • Kazuhiko MotodohiShinichiro IgaYasunari Muranaka
    • Kazuhiko MotodohiShinichiro IgaYasunari Muranaka
    • F16H3/72F16H57/04
    • F16H57/0435F15B21/001F16H61/0031F16H61/0206F16H2061/0037
    • An automatic transmission for a hybrid vehicle comprising a first hydraulic pressure supply source driven with an internal combustion engine; a second hydraulic pressure supply source driven independently of the first supply source; and a regulator valve regulating hydraulic pressure produced by the supply sources. A first oil passage supplying line pressure regulated by the regulator valve to a hydraulic servo operating a friction engagement element; a second oil passage supplying hydraulic pressure discharged from the regulator valve to a lubricated portion via an oil cooler; and a thud oil passage merged with the second oil passage at a point downstream of the oil cooler supplying the hydraulic pressure of the second supply source to the lubricated portion. A first reverse flow prevention mechanism is disposed between the oil cooler and the merging point to prevent reverse flow of hydraulic pressure.
    • 一种用于混合动力车辆的自动变速器,包括由内燃机驱动的第一液压供给源; 独立于第一供应源驱动的第二液压供应源; 以及调节由供给源产生的液压的调节阀。 第一供油管路压力由调节阀调节到操作摩擦接合元件的液压伺服机构; 第二油路,其通过油冷却器将从所述调节阀排出的液压供给到润滑部; 并且在油冷却器下游的点处将第二油路与第二油路合流,将第二供给源的液压供给到润滑部。 第一反向流动防止机构设置在油冷却器和合流点之间,以防止液压反向流动。