Dual clutch transmission

一种双离合器、变速器的技术，应用在车辆变速箱、传动装置、运输和包装等方向，能够解决限制汽车安装可能性、加长等问题
CN101809322AInactive Publication Date: 2010-08-18ZF FRIEDRICHSHAFEN AG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZF FRIEDRICHSHAFEN AG
Publication Date
2010-08-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a dual clutch transmission, with two dual gear planes (5-8, 7-10; 5-8, 6-9) being provided, one idler gear (5, 8; 6, 9; 7, 10) of the first and second countershafts (w_v1, w_v2) being associated with a fixed gear (1, 2, 3, 4) of one of the transmission input shafts (w_K1, w_K2) in every dual gear plane (5-8, 7-10; 5-8, 6-9), at least one idler gear (5, 6, 7, 8, 9, 10) in every dual gear plane (5-8, 7-10; 5-8, 6-9) being used for at least two gears, and two single gear planes (6-2, 3-9; 7-3, 4-10), one idler gear (5, 8; 6, 9; 7, 10) of one of the countershafts (w_v1, w_v2) being associated with a fixed gear (1, 2, 3, 4) of one of the transmission input shafts (w_K1, w_K2) so that at least one winding path gear can be shifted via at least one shift element (K) on the second countershaft (w_v2) and at least one winding path gear can be shifted with at least one coupling device (S_ab1) being associated with the power take-off gear (12) of the first countershaft (w_v1) and being open.
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Description

technical field

[0001] The invention relates to a dual clutch transmission for a motor vehicle of the type specified in the preamble of claim 1 . Background technique

[0002] A six-speed or seven-speed dual clutch transmission is known from laid-open document DE 103 05 241 A1. The dual-clutch transmission includes two clutches, each of which is connected with its input to a drive shaft and with its output to each of two transmission input shafts. The two transmission input shafts are arranged coaxially with one another. Furthermore, two countershafts are arranged parallel to the axes of the two transmission input shafts, the idler gears of which mesh with the fixed gears of the respective transmission input shafts. Furthermore, a plurality of axially displaceable coupling devices are mounted in a rotationally fixed manner on the countershafts in order to be able to engage the corresponding gearwheels. The correspondingly selected transmission ratio is transmitted via the...

Claims

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