Transmissions for vehicles

A technology for transmissions and vehicles, applied in the direction of vehicle gearboxes, vehicle parts, components with teeth, etc., can solve problems such as complex structures, achieve the effects of reducing pollution, reducing vibration sensitivity, and being easy to manufacture

Inactive Publication Date: 2016-08-03
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure is very complex

Method used

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  • Transmissions for vehicles
  • Transmissions for vehicles
  • Transmissions for vehicles

Examples

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Embodiment Construction

[0091] In the following description, embodiments of the present application will be described in detail. It will be apparent, however, to one skilled in the art that the embodiment may be practiced without these details.

[0092] Figure 1-2 A detailed description of a first embodiment of the transmission 1 of the present application is provided.

[0093] The transmission 1 comprises a larger output gear 12 on an output shaft 14 , an input shaft 20 and two pinions 41 , 51 on two layshafts 40 , 50 . The input shaft 20 is non-rotatably connected to the clutch disc 8 of the clutch 6 . The two pinions 41 , 51 are the upper pinion 41 or reverse pinion 41 , and the lower pinion 51 or layshaft pinion 51 . On their axes of rotation, the upper pinion 41 is fixed to the upper layshaft 40 or reverse layshaft 40 and the lower pinion is fixed to the lower layshaft 50 or layshaft 50 , respectively. The two pinions 41 , 51 mesh with the output gear 12 at different positions of the output...

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PUM

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Abstract

A transmission for a vehicle comprising a first gear set comprising a fixed first gear (24) on an input shaft (20) in contact with an idler first gear on a first countershaft (50) (36) ENGAGE. The transmission also includes an idler reverse gear (61) on the second layshaft (40), which meshes with an idler first gear (36) on the first layshaft (50), wherein, The gears of the second gear set, the third gear set and the fourth gear set are arranged on the input shaft (20) and the first countershaft (50).

Description

technical field [0001] The invention relates to a transmission for a vehicle. Background technique [0002] A transmission typically includes an input shaft connected to and actuated by a clutch pack driven by an electric or combustion engine. [0003] FR2,770,599 and EP1,270,996 show gearboxes with two layshafts, only one of which carries the pinion for the output gear. The gearbox of FR 2,770,599 is complex because separate fixed wheels on the input and output shafts are provided for torque transmission in reverse mode. The gearbox of EP1,270,996 provides a first fixed reverse gear which meshes with a second idler reverse gear, which in turn is connected with the first idler reverse gear, the first and second idler reverse gears It is arranged on the same axis as the second reverse gear fixed wheel, and the second reverse gear fixed wheel meshes with the first gear fixed wheel on the input shaft. For reverse mode, it is necessary to actuate a coupling device that connec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/093F16H3/12B60K17/06
CPCF16H3/089F16H2200/0047F16H2200/0052Y10T74/19233F16H3/093
Inventor 马库斯·罗肯贝克约瑟夫·豪
Owner GM GLOBAL TECH OPERATIONS LLC
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