公开(公告)号：US20130203549A1

公开(公告)日：2013-08-08

申请号：US13750678

申请日：2013-01-25

Applicant: GM Global Technology Operations LLC

Inventor： EDWARD W. MELLET ,  ANDREW W. PHILLIPS ,  JAMES M. HART

IPC: F16H3/62

CPC classification number: F16H3/62 ,  F16H3/66 ,  F16H2200/0069 ,  F16H2200/2012 ,  F16H2200/2046

Abstract: A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and one reverse gear ratio.

Abstract translation: 提供一种变速器，其具有输入构件，输出构件，至少四个行星齿轮组，多个联接构件和多个扭矩传递装置。 每个行星齿轮组包括第一，第二和第三构件。 扭矩传递装置包括离合器和制动器，其可以三个组合起动，以建立多个前进传动比和一个倒档传动比。

公开(公告)号：US20140190449A1

公开(公告)日：2014-07-10

申请号：US13798775

申请日：2013-03-13

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： ANDREW W. PHILLIPS

IPC: F02P5/00

CPC classification number: F02D41/0087 ,  F02D37/02

Abstract: A system according to the principles of the present invention includes a firing fraction module, an offset generation module, and a firing fraction module. The firing fraction module determines a firing fraction based on a driver torque request. The offset generation module randomly generates an offset. The firing control module adds the firing fraction to a running total each time that a crankshaft of an engine rotates through a predetermined angle, adds the offset to the running total, and executes a firing event in a cylinder of the engine when the running total is greater than or equal to a predetermined value.

Abstract translation: 根据本发明的原理的系统包括点火分数模块，偏移生成模块和点火分数模块。 射击分数模块基于驾驶员扭矩请求来确定点火分数。 偏移生成模块随机生成偏移量。 点火控制模块在每次发动机曲轴旋转预定角度的情况下，将起动分数加入运行总计，将偏移量加到运行总计上，并且当运行总计为 大于或等于预定值。

公开(公告)号：US20140260738A1

公开(公告)日：2014-09-18

申请号：US14183136

申请日：2014-02-18

Applicant: GM Global Technology Operations LLC

Inventor： ANDREW W. PHILLIPS

IPC: F16H3/093

CPC classification number: F16H3/006 ,  F16H2003/0931 ,  F16H2003/0933 ,  F16H2200/0073 ,  Y10T74/19228 ,  Y10T74/19233 ,  Y10T74/19288

Abstract: A transmission is connectable to an input member and includes an output transfer gear, first and second shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of gears, synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.

Abstract translation: 变速器可连接到输入构件，并包括输出传动齿轮，第一和第二轴构件，第一和第二中间轴构件，多个共面齿轮组和多个扭矩传递装置。 扭矩传递装置包括多个齿轮，同步器组件和双离合器组件。 变速器可操作以在输入构件和输出构件之间提供至少一个倒档速度比和多个前进速比。