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    • 121. 发明授权
    • Transmission
    • 传输
    • US4077280A
    • 1978-03-07
    • US752744
    • 1976-12-21
    • James Henry KressRichard Arlo Michael
    • James Henry KressRichard Arlo Michael
    • F16H3/58F16H3/62F16H3/64F16H57/10
    • F16H3/64
    • A planetary transmission for selectively shifting among four forward speeds includes a first ring gear secured to a drive shaft. The first ring gear drives a compound planetary gear set which is journaled on a driven-shaft-connected planet carrier. A first planet gear set of the compound planetary gear set meshes with a carrier-journaled, third planet gear set which meshes in turn with a second ring gear. The first planet gear set further meshes with a first sun gear which is concentric with the first ring gear and which encircles and is clutchable to the driven shaft to provide one forward speed ratio between drive and driven shafts. A second plane gear set of the compound planetary gear set meshes with a second sun gear which is coaxial with the first sun gear and concentric with the second ring gear. First, second, and third brakes are respectively connected to the second ring gear, the second sun gear, and the first sun gear to stop and allow rotation of said gears to provide three additional forward speeds.
    • 用于在四个前进速度之间选择性地换档的行星变速器包括固定到驱动轴的第一环形齿轮。 第一个环形齿轮驱动一个复合行星齿轮组,该组合行星齿轮组位于从动轴连接的行星架上。 复合行星齿轮组的第一行星齿轮组与具有第二齿圈啮合的行星齿轮式第三行星齿轮组啮合。 第一行星齿轮组进一步与第一太阳齿轮啮合,第一太阳齿轮与第一齿圈同心,并且环绕并且与从动轴可离合,从而在驱动轴和从动轴之间提供一个前进速比。 复合行星齿轮组的第二平面齿轮组与第二太阳齿轮啮合,第二太阳齿轮与第一太阳齿轮同轴并与第二齿圈同心。 第一,第二和第三制动器分别连接到第二齿圈,第二太阳齿轮和第一太阳轮,以停止并允许所述齿轮的旋转以提供三个额外的前进速度。
    • 122. 发明授权
    • Control system for modular transmission
    • 模块化传输控制系统
    • US3913415A
    • 1975-10-21
    • US45899874
    • 1974-04-08
    • CATERPILLAR TRACTOR CO
    • HERR CHARLES H
    • F16H3/64F16H57/033F16H61/00F16H61/02F16H61/686F16H3/74F16H5/48F16H37/02
    • F16H3/64F16H57/033F16H61/0009F16H61/0267F16H61/686F16H2057/0335F16H2200/2015Y10T74/19265Y10T74/2186
    • A control system for a power transmission includes a plurality of sequentially arranged speed ratio modules each having friction means responsive to a single signal for establishing either direct or reduction drive across the respective module, the control system including separate valves for selectively communicating the single signal to each respective module in response to governor means coupled with an output drive component of the transmission. A preferred embodiment of the control system is adapted for use in a power transmission where the speed ratio modules are of similar construction, each having a fixed housing forming a portion of an enclosure for the entire transmission, the valve means operated by the governor comprising a plurality of axially aligned abutting spools movable in unison by the governor and adapted to communicate the actuating signal to each respective module.
    • 用于动力传递的控制系统包括多个顺序排列的速比模块,每个速度比模块具有响应于单个信号的摩擦装置,用于在相应的模块上建立直接或减速驱动,所述控制系统包括用于选择性地将单个信号传递到 每个相应的模块响应于与变速器的输出驱动部件耦合的调速器装置。 控制系统的优选实施例适用于动力传动装置,其中速比模块具有相似的结构,每个都具有形成用于整个变速器的外壳的一部分的固定壳体,由调速器操作的阀装置包括: 多个轴向对齐的邻接线轴可由调速器一致地移动并且适于将致动信号传送到每个相应的模块。