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Vehicle

A technology for starting vehicles and engines, applied in the field of vehicles, can solve the problems of aggravating and accelerating the wear of the accumulator, and achieve the effect of reducing the load

Active Publication Date: 2014-08-06
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This increases or accelerates the wear of the accumulator

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0028] A preferred embodiment of the present invention will be described below. Further details, preferred embodiments and further developments of the invention result from this.

[0029] A vehicle includes an internal combustion engine, a starter for the internal combustion engine and a generator mechanically coupled as an electric machine to the internal combustion engine. The starter can be designed as a gear starter and the generator as a toothed pole generator. Alternatively, starter and generator can be integrated in one starter generator with belt drive. The vehicle also has a 12 volt battery and consumer in lead-acid technology. Consumers can be, for example, comfort consumers, such as seat heating, safety-relevant consumers, such as windshield wipers, or technically determined consumers, such as a motor fan. The vehicle also has several controllers, one of which is designed as a motor controller.

[0030] The components are connected to one another both via a phys...

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PUM

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Abstract

A vehicle having an internal combustion engine can be switched off automatic and can be started automatically by way of an engine start / stop device. The vehicle includes at least one electric energy store and at least one electric consumer. In the case of an internal combustion engine which has been switched off automatically, a stop current strength which is removed from the at least one electric energy store by the at least ne electric consumer can be determined. The engine start / stop device automatically starts the internal combustion engine if a predefined stop current threshold or a predefined stop discharge threshold is exceeded.

Description

technical field [0001] The invention relates to a vehicle having an internal combustion engine which can be automatically stopped and automatically started by means of an engine start-stop system. Background technique [0002] To save fuel, automatic engine start-stop systems are used in vehicles with internal combustion engines according to the prior art. If the vehicle comes to a standstill during vehicle operation—for example at a red light or at a railroad crossing—the internal combustion engine can be stopped during the standstill phase automatically by inhibiting the fuel supply, subject to certain boundary conditions. The boundary conditions are roughly formed by the engine temperature. According to document DE4412438C1, the engine is only stopped when the temperature falls below a predetermined one. [0003] Once the standstill phase is over and driving should continue, which is usually indicated to the driver by depressing the clutch pedal in vehicles with a manua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/18B60W10/06B60W10/26B60W10/30F02N11/08
CPCF02N2200/062B60W10/06B60W2510/244Y02T10/48F02N2200/08F02N11/084B60W2510/305F02N11/0825F02N2200/061F02N11/0844B60W10/30F02N11/0833B60W10/26F02N11/0862B60W30/18018Y02T10/40
Inventor C·戴斯勒
Owner BAYERISCHE MOTOREN WERKE AG
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