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Gear selection device

A technology for gear selection and automobiles, applied in transmission control, components with teeth, belts/chains/gears, etc., can solve problems such as the burden is not significantly reduced

Inactive Publication Date: 2013-06-19
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this gear selection device can make it easier for the driver to drive fuel-efficiently, because each shift process must be implemented manually, the driver's burden has not been significantly reduced compared with a purely manual shift car.
In addition, there is also the problem that the shift recommendation provided by the gear selector is too late for the driver to react to changes in the traffic situation at the point in time it is provided and can only make the driver unreasonable constraints

Method used

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Examples

Experimental program
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Embodiment Construction

[0024] figure 1 The gear selector shown comprises a logic unit 1 connected to various sensors 2 . The sensor 2 is used to detect variables related to the engine load of a vehicle equipped with a gear selector. The sensors 2 may in particular comprise a speed sensor for detecting the engine speed and a speedometer, and the function of the logic unit 1 is to compare the current speed provided by the speed sensor with a shift threshold defined as a function of the speed displayed by the speedometer, If it is determined that a shift threshold value has been exceeded, a shift signal is output to superordinated unit 3 , which specifies the newly determined gear in conjunction with the current values ​​of rotational speed and speed. A further sensor 2 can be provided, for example, on the gas pedal of the vehicle for detecting its position, wherein the sensor 2 detects the position of a quick actuation of the gas pedal or until the brake is depressed and can be used to activate the l...

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PUM

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Abstract

A gear selection device for a motor vehicle is provided. The gear selection device includes a logic unit (1) which is equipped in order to determine a gear to be engaged in a transmission of the motor vehicle by means of at least one variable connected to the load of an engine of the motor vehicle, and an ambient area sensor (5). The gear selection device is equipped in order to take into account information supplied by the ambient area sensor (5) relating to the road located in front of the vehicle with the outputting of a selection signal specifying a newly determined gear.

Description

technical field [0001] The invention relates to a gear selection device, which is used for selecting a gear to be engaged in an automobile transmission. Background technique [0002] In automatic transmissions known in recent decades, a mechanical / hydraulic logic unit which determines the gear to be engaged during operation based on parameters related to the engine load, such as engine speed, engine torque, driving speed, etc., is fixed. Logic units in the form of electronic switches have emerged in recent years in conjunction with automatic transmissions. Like the conventional mechanical / hydraulic logic unit, the electronic logic unit is also used to determine the gears of the transmission according to the respective engine load in such a way that low fuel consumption is achieved. The advantage of the electronic logic unit is basically that the link between the engine load and the determined gear can be changed more simply than with a mechanical / hydraulic logic unit and ca...

Claims

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Application Information

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IPC IPC(8): F16H59/60F16H59/66F16H59/14F16H63/42
CPCF16H59/14F16H61/0213F16H2059/663F16H2059/666F16H59/66B60W40/02B60W40/04B60W40/06B60W40/072B60W40/076B60W50/14F16H63/42F16H2063/426
Inventor M·莫布斯
Owner GM GLOBAL TECH OPERATIONS LLC