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Gearbox with switching support and outage protection

A technology of transmission and shifting shaft, applied in the direction of components with teeth, transmission control, belt/chain/gear, etc., can solve the problem that the shifting process can no longer be transmitted, the car can no longer continue to drive, troublesome combinations, etc. problems, to achieve the effect of easy vibration decoupling and ensure fail-safety

Inactive Publication Date: 2009-02-11
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in such a shifting system, the electronics can fail, so that the shifting process can no longer be transmitted to the transmission and thus the vehicle can no longer be driven
[0006] Furthermore, the technical solutions presented above have the common problem that the servo support between the transmission and the selector lever must be complicatedly integrated in the shifting system and thus have to be structurally specifically adapted

Method used

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  • Gearbox with switching support and outage protection
  • Gearbox with switching support and outage protection
  • Gearbox with switching support and outage protection

Examples

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Embodiment Construction

[0031] Figure 1 shows a vehicle transmission according to the prior art. The transmission 7 comprises a drive shaft 75 and two output shafts 76, 76', which are arranged parallel to each other and can be coupled to each other in a general manner in order to adjust different transmission ratios in the transmission 7.

[0032] The shift shaft 70 is arranged perpendicular to the drive shaft 75 and the output shaft 76, 76' and has two shift lever fingers 74, 74': the shift shaft is movable along its axis; One of the lever finger 74, 74' is coupled with a shift dog 79, 79' which can move on a lever 80, 80 parallel to the axes 75, 76, 76' so that by means of The synchronized interlocking device couples the different gears rotationally fixedly to the output shafts 76, 76' supporting them, and thereby adjusts the gear ratio of the transmission. Here, axial movement of the shift shaft 70 causes selection of a transmission ratio, and radial rotation of the shift shaft 70 causes coupling...

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PUM

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Abstract

This invention relates to a vehicle transmission (7), comprising driving shaft and output shaft capable of mutually coupling with different transmission ratio, shell and an adjustable shifting shaft for selecting one of the transmission ratios, one end of the shifting shaft extends out of the shell and comprises at least one transmission rod finger (74, 74') for operating coupling device driving the driving shaft to couple with the output shaft, otherwise, the transmission also comprises actuator (3) for adjusting the shifting shaft and controller (5) used on the actuator (3), wherein the shifting shaft is composed of an exterior part (71) with an extending part, and an interior part (72) comprising transmission rod finger (74, 74'), capable of being driven by the actuator (3), which are mutually coupled in motion via a driving device (4) with windage, wherein the driving device comprises a sensor (43) for sensing interior deviation relative to the exterior deviation, and the controller (5) is disposed to adjust the actuator (3) according to the deviation (48).

Description

technical field [0001] The invention relates to an automobile transmission with an automatic shift support device. Background technique [0002] In motor vehicles with conventional mechanical transmissions without shift support, the driver must apply a certain force on the selector lever in order to engage the desired gear in order to carry out the shifting movement and thus the shifting process. Especially at low outside temperatures, the driver exerts more force than usual because the transmission oil is thicker and the transmission components are subjected to greater friction in this case. This problem occurs especially when the selector lever is moved along the shift gate of a manual shifter with an H-shaped design of the shift gate, whereas when the selector lever is moved along the selector slot of a manual shifter, it is necessary to less force. In order to achieve an even better operating comfort with regard to the shifting movement, there are various solutions. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/28
CPCF16H2061/323F16H61/32F16H59/044
Inventor 乔尔格·伯宁简·斯波尔德
Owner GM GLOBAL TECH OPERATIONS LLC
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