Method for push operation of motor vehicle equipped with drive unit, and drive unit for implementing the method

A technology for driving devices and motor vehicles, applied to control devices, vehicle components, transportation and packaging, etc., to achieve the effects of reducing energy dissipation, minimizing fuel consumption, and reducing fuel consumption

Inactive Publication Date: 2011-03-23
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The result is the need to perform additional inflation exchange work

Method used

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  • Method for push operation of motor vehicle equipped with drive unit, and drive unit for implementing the method
  • Method for push operation of motor vehicle equipped with drive unit, and drive unit for implementing the method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 A flowchart of the process steps of the first embodiment of the method is schematically shown.

[0043] Since the implementation of the method requires a coasting operating state, this premise is tested in the first step of the process. If the vehicle is not in a conventional coasting operation state, the method ends.

[0044] Starting from the conventional coasting operating state of the motor vehicle, whether the brake pedal is actuated will be detected. The actuation of the brake pedal is evaluated as increasing the demand for vehicle deceleration. In this case, the action of the vehicle being switched to the first operating mode or the second operating mode will not be performed because it will cause a decrease in vehicle deceleration , Which is contrary to the driver’s request. Moreover, according to the actuation of the brake pedal, the vehicle is converted to a conventional coasting operation, or continues to run in a conventional coasting operation as ass...

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PUM

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Abstract

The present invention discloses a method for push operation of motor vehicle equipped with drive unit. The method comprises the following steps: in the push operation of the motor vehicle, at a first group engine rotation speed and transmission gear, reducing speed through enlarging the opening degree of an engine throttle and jointing the transmission with the engine through a clutch; and at a second group engine rotation speed and transmission gear, separating the transmission from the engine through clutch separation for reducing speed, wherein the first group engine rotation speed and transmission gear is different form the second group engine rotation speed and transmission gear.

Description

Technical field [0001] The present invention relates to a method of coasting operation of a motor vehicle equipped with a drive device and a brake, which can be activated by a brake pedal. The invention also relates to a driving device for implementing the method. Background technique [0002] Due to the limitation of fossil / fossil energy reserves, especially due to the limited availability of petroleum to obtain the fuel required to operate the internal combustion engine, continuous efforts have been put into the development of the internal combustion engine to minimize fuel consumption. On the one hand, the prospect of these efforts lies in improving, that is, more effective, burning. On the other hand, specific strategies regarding the basic operation of the internal combustion engine are also effective. [0003] The concept of improving vehicle fuel consumption includes, for example, if there is no instantaneous power demand, turning off the internal combustion engine instead...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/18B60W10/06B60W10/02B60W10/10
CPCB60W2520/10B60W30/18072B60W2540/12B60W2710/0605B60W10/11B60W10/02B60W2710/0666B60W10/06B60W2510/1005B60W2510/0638
Inventor U·克莱默K·格瑞瑟B·平恩
Owner FORD GLOBAL TECH LLC
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