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公开(公告)号：US20170248217A1
公开(公告)日：2017-08-31
申请号：US15316793
申请日：2015-06-12
Applicant: Caterpillar Inc.
Inventor： Michael G. Cronin
CPC classification number: F16H47/04 , B60K17/08 , B60K17/16 , F16H3/66 , F16H48/10 , F16H2037/0886 , F16H2048/104 , F16H2048/106 , F16H2200/2012
Abstract: A continuously variable transmission (CVT) is provided, where the CVT has an input shaft drivable by an engine, and an output shaft connectable to a load. A variator has an input side connected to the input shaft, and an output side. The variator is adjustable so as to vary a transmission ratio between the input and output sides. A differential transmission has a first differential input element connected to the input shaft, a second differential input element connected to the output side of the variator, and first and second differential output elements. A range transmission has a first range input element, and at least one range output element connected to the output shaft. A first connecting component selectively connects the first differential output element to the first range input element. A second connecting component selectively connects the second differential output element to the first range input element. The first and second connecting components are located in a connecting space defined between the differential and range transmissions. A vehicle incorporating this CVT, and a method of operating the CVT are also provided.
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Patent Agency Ranking
公开(公告)号：US20160047449A1
公开(公告)日：2016-02-18
申请号：US14461160
申请日：2014-08-15
Applicant: Caterpillar Inc.
Inventor： Gaurav Vasudeva , Michael G. Cronin
CPC classification number: F16H47/04 , F16H2037/0886
Abstract: Transmission for coupling to hydromechanical power source includes differential and range modules including planetary gear arrangements, a plurality of selectively engagable clutch assemblies, and a drop box module, which includes a final output member. First and second power source paths provide power to the differential module. The clutch assemblies are selectively engagable to provide variable rotational power from the differential module to the range module, and from the range module to the drop box module in a plurality of directional ranges. The drop box adapts the variable rotational power provided in the selected range for connection in a given application.
Abstract translation: 用于耦合到液压机械动力源的变速器包括差速和范围模块，其包括行星齿轮装置，多个选择性地可接合的离合器组件和包括最终输出构件的液箱模块。 第一和第二电源路径为差分模块提供电源。 离合器组件选择性地可接合以从差分模块向范围模块提供可变的旋转动力，并且在多个方向范围内从范围模块提供可变的旋转动力。 下降箱适应在给定应用中连接所选范围内提供的可变旋转功率。
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公开(公告)号：US09488263B2
公开(公告)日：2016-11-08
申请号：US14461160
申请日：2014-08-15
Applicant: Caterpillar Inc.
Inventor： Gaurav Vasudeva , Michael G. Cronin
CPC classification number: F16H47/04 , F16H2037/0886
Abstract: Transmission for coupling to hydromechanical power source includes differential and range modules including planetary gear arrangements, a plurality of selectively engagable clutch assemblies, and a drop box module, which includes a final output member. First and second power source paths provide power to the differential module. The clutch assemblies are selectively engagable to provide variable rotational power from the differential module to the range module, and from the range module to the drop box module in a plurality of directional ranges. The drop box adapts the variable rotational power provided in the selected range for connection in a given application.
Abstract translation: 用于耦合到液压机械动力源的变速器包括差速和范围模块，其包括行星齿轮装置，多个选择性地可接合的离合器组件和包括最终输出构件的液箱模块。 第一和第二电源路径为差分模块提供电源。 离合器组件选择性地可接合以从差分模块向范围模块提供可变的旋转动力，并且在多个方向范围内从范围模块提供可变的旋转动力。 下降箱适应在给定应用中连接所选范围内提供的可变旋转功率。
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公开(公告)号：US10591038B2
公开(公告)日：2020-03-17
申请号：US15316793
申请日：2015-06-12
Applicant: Caterpillar Inc.
Inventor： Michael G. Cronin
Abstract: A continuously variable transmission (CVT) is provided, where the CVT has an input shaft drivable by an engine, and an output shaft connectable to a load. A variator has an input side connected to the input shaft, and an output side. The variator is adjustable so as to vary a transmission ratio between the input and output sides. A differential transmission has a first differential input element connected to the input shaft, a second differential input element connected to the output side of the variator, and first and second differential output elements. A range transmission has a first range input element, and at least one range output element connected to the output shaft. A first connecting component selectively connects the first differential output element to the first range input element. A second connecting component selectively connects the second differential output element to the first range input element. The first and second connecting components are located in a connecting space defined between the differential and range transmissions. A vehicle incorporating this CVT, and a method of operating the CVT are also provided.
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公开(公告)号：US09593723B2
公开(公告)日：2017-03-14
申请号：US14507269
申请日：2014-10-06
Applicant: Caterpillar Inc.
Inventor： Michael Douglas Anderson , Megan Alissa Brinkmeyer , Daniel P. Sergison , Thomas Alan Brosowske , Grant Steven Peterson , Michael G. Cronin , Raymond B. Derer
IPC: F16D25/0635 , F16D25/063 , F16D25/0638 , F16D13/58
CPC classification number: F16D25/0635 , F16D13/583 , F16D25/063 , F16D25/0638
Abstract: A disconnect clutch and method of controlling the connection of a parasitic load to an engine disposed on a machine is disclosed. The disconnect clutch may comprise a flywheel assembly, a friction plate and a coupling. The flywheel assembly may include a flywheel having a cavity, a chamber, a piston moveable between a contracted position and an expanded position, a pressure plate, a lever, and a coupling operably connected to the friction plate. The flywheel may include an end plate. The chamber may be defined by the flywheel and the piston. The lever may apply an activation force to the pressure plate when the piston is in the expanded position. The friction plate may be attached to and rotatable with the flywheel assembly when the piston is in the expanded position and generally stationary when the piston is in the contracted position.
Abstract translation: 公开了一种断开离合器和控制寄生负载与设置在机器上的发动机的连接的方法。 断开离合器可以包括飞轮组件，摩擦板和联接器。 飞轮组件可以包括具有空腔的飞轮，腔室，可在收缩位置和扩张位置之间移动的活塞，压力板，杠杆和可操作地连接到摩擦板的联接件。 飞轮可以包括端板。 腔室可以由飞轮和活塞限定。 当活塞处于展开位置时，杠杆可以向压板施加激活力。 当活塞处于膨胀位置时，摩擦板可以与飞轮组件相连并可随其旋转，并且当活塞处于收缩位置时，摩擦板通常是静止的。
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公开(公告)号：US20160097429A1
公开(公告)日：2016-04-07
申请号：US14507269
申请日：2014-10-06
Applicant: Caterpillar Inc.
Inventor： Michael Douglas Anderson , Megan Alissa Brinkmeyer , Daniel P. Sergison , Thomas Alan Brosowske , Grant Steven Peterson , Michael G. Cronin , Raymond B. Derer
IPC: F16D25/063
CPC classification number: F16D25/0635 , F16D13/583 , F16D25/063 , F16D25/0638
Abstract: A disconnect clutch and method of controlling the connection of a parasitic load to an engine disposed on a machine is disclosed. The disconnect clutch may comprise a flywheel assembly, a friction plate and a coupling. The flywheel assembly may include a flywheel having a cavity, a chamber, a piston moveable between a contracted position and an expanded position, a pressure plate, a lever, and a coupling operably connected to the friction plate. The flywheel may include an end plate. The chamber may be defined by the flywheel and the piston. The lever may apply an activation force to the pressure plate when the piston is in the expanded position. The friction plate may be attached to and rotatable with the flywheel assembly when the piston is in the expanded position and generally stationary when the piston is in the contracted position.
Abstract translation: 公开了一种断开离合器和控制寄生负载与设置在机器上的发动机的连接的方法。 断开离合器可以包括飞轮组件，摩擦板和联接器。 飞轮组件可以包括具有空腔的飞轮，腔室，可在收缩位置和扩张位置之间移动的活塞，压力板，杠杆和可操作地连接到摩擦板的联接件。 飞轮可以包括端板。 腔室可以由飞轮和活塞限定。 当活塞处于展开位置时，杠杆可以向压板施加激活力。 当活塞处于膨胀位置时，摩擦板可以与飞轮组件相连并可随其旋转，并且当活塞处于收缩位置时，摩擦板通常是静止的。
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