Gearbox with switching support and outage protection

A technology of transmission and shifting shaft, applied in the direction of elements with teeth, transmission control, belt/chain/gear, etc. problems, to achieve the effect of ensuring fail-safety and easy vibration decoupling

Inactive Publication Date: 2013-03-06
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

Experimental program
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Embodiment Construction

[0031] figure 1 Represents the automobile 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 caus...

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PUM

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Abstract

The gear (7) has a control device (5) actuating an actuator (3) i.e. electrically driven motor. Shifter shafts are arranged in an outer section (71) including leading through ends, and in an inner section (72) carrying shift fingers (74, 74'). The inner section is actuated by the actuator. The shafts are movably coupled against each other by a transfer device (4). The transfer device includes a sensor (43) e.g. capacitive sensor, for detecting deflection of the outer section relative to the inner section. The control device is arranged to move the actuator depending on the deflection.

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 Patents(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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