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Gear and clutch arrangement for multi-speed transmission

A technology of clutches and transmissions, applied in gear transmissions, vehicle gearboxes, multi-ratio transmissions, etc.

Inactive Publication Date: 2012-04-18
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A problem faced by transmission designers and manufacturers is the packaging of planetary gear sets and torque transmitting mechanisms

Method used

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  • Gear and clutch arrangement for multi-speed transmission
  • Gear and clutch arrangement for multi-speed transmission

Examples

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Embodiment Construction

[0020] The following description is merely exemplary in nature and is not intended to limit the disclosure, application or uses.

[0021] see now figure 1 , generally indicated by reference numeral 10, an embodiment of a multi-speed transmission. The transmission 10 comprises a transmission housing 11 , an input shaft or member 12 , an output shaft or member 14 . The input member 12 is preferably connected to an engine (not shown) or a turbine of a torque converter (not shown). The output member 14 is preferably coupled to a final drive (not shown) or a transfer case (not shown). In the example provided, the output member 14 is positioned along an axis that is different from the longitudinal axis defined by the input member 12 . Thus, the output member 14 may project on the same side of the transmission 10 as the input member 12 to provide, for example, a front wheel drive transmission configuration.

[0022] The transmission 10 includes a first planetary gear set 16 , a ...

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Abstract

A transmission is disclosed having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include five clutches and a brake arranged within a transmission housing.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 60 / 984,535, filed November 1, 2007, which is hereby incorporated by reference in its entirety. technical field [0003] This invention relates generally to a multi-speed transmission having a plurality of planetary gear sets and a plurality of torque-transmitting devices, and more particularly to a multi-speed transmission having eight or more speeds, three planetary gear sets and a plurality of torque-transmitting devices transmission. Background technique [0004] The statements in this section merely provide background information related to the present disclosure and may or may not constitute prior art. [0005] Currently, automatic power transmissions are widely used in passenger cars and trucks. Automatic transmissions are known to provide multiple speed ratios in a forward direction and at least one speed ratio in a reverse direction. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/62
CPCF16H2200/2097F16H2200/2046F16H3/666F16H2200/006F16H2200/201
Inventor J·M·哈特A·W·菲利普斯C·E·凯里S·H·维特科普
Owner GM GLOBAL TECH OPERATIONS LLC
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