公开(公告)号：WO2014008074A1

公开(公告)日：2014-01-09

申请号：PCT/US2013/048024

申请日：2013-06-27

Applicant: CATERPILLAR INC.

Inventor： KOCH, Thomas ,  FLORO, Justin ,  GROSS, Michael ,  MEYER, Kevin ,  KNOX, Kevin ,  RICE, James ,  WINZELER, James, Elmer ,  HODGES, Peter ,  CRUCE, Perry

IPC: F16H3/44 ,  F16H3/66

CPC classification number: F16H3/66 ,  F16H3/64 ,  F16H2200/0047 ,  F16H2200/0082 ,  F16H2200/2015 ,  F16H2200/2046

Abstract: A compact five-speed transmission planetary gear train includes a first, second, third, fourth and fifth planetary gear sets between an input and an output as well as first, second, third and fourth brakes and first and second clutches. The first, second, third and fourth brakes and first and second clutches are selectively actuatable to provide five different forward speeds and a plurality of different reverse speeds between the input and the output.

Abstract translation: 紧凑的五速变速器行星齿轮系包括在输入和输出之间的第一，第二，第三，第四和第五行星齿轮组，以及第一，第二，第三和第四制动器以及第一和第二离合器。 第一，第二，第三和第四制动器和第一和第二离合器可选择性地致动以在输入和输出之间提供五个不同的前进速度和多个不同的倒档速度。

公开(公告)号：WO2012122205A2

公开(公告)日：2012-09-13

申请号：PCT/US2012/027954

申请日：2012-03-07

Applicant: CATERPILLAR INC. ,  BAUMANN, Jonathan ,  CRUCE, Perry

Inventor： BAUMANN, Jonathan ,  CRUCE, Perry

IPC: H02P9/04 ,  B60K6/20 ,  F02D35/00

CPC classification number: B60K6/46 ,  B60K6/38 ,  F16D7/025 ,  F16F15/123 ,  Y02T10/6217 ,  Y10T29/49947

Abstract: A machine (10), such as an electrically powered track type tractor, includes an engine (16) configured to rotate a generator (18). A drive coupling (20) has a first element fixed to rotate with the engine (16) and a second element fixed to rotate with the generator (18). The first and second elements are configured to rotationally couple together for transmitting torque from the engine (16) to the generator (18), but configured to allow relative slip between the first and second elements. The relative slip may occur during engine (16) start up as rotational rates pass through a range associated with the excitation of resonance torsional vibrations. A centering ring (80) has a radial outer surface (82) in contact with the first element and a radial inner surface (81) in contact with the second element. The centering ring (80) assists in avoiding an off center drive coupling arrangement while electrically isolating the first element from the second element.

Abstract translation: 诸如电动轨道式拖拉机的机器（10）包括构造成使发电机（18）旋转的发动机（16）。 驱动联轴器（20）具有固定成与发动机（16）一起旋转的第一元件和固定成与发电机（18）一起旋转的第二元件。 第一和第二元件构造成旋转地联接在一起以将扭矩传递到发动机（16）到发电机（18），但被配置为允许第一和第二元件之间的相对滑动。 在发动机（16）启动期间，相对滑移可能发生，因为转速通过与谐振扭转振动的激励相关联的范围。 定心环（80）具有与第一元件接触的径向外表面（82）和与第二元件接触的径向内表面（81）。 定心环（80）有助于避免偏心驱动联接装置，同时将第一元件与第二元件电隔离。