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Jump start device for motor vehicle

A technology of starting device and motor vehicle, which is applied to the starting of engine, electric device, and motor starting of engine, etc., can solve the problem of heavy load on vehicle battery, and achieve the effect of guaranteeing cost and avoiding backlog.

Active Publication Date: 2013-10-09
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The vehicle battery is heavily loaded due to the higher number of engine starts compared to vehicles without stop-start function and the need to supply electrical consumers via the battery during the engine stop time during driving operation

Method used

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  • Jump start device for motor vehicle
  • Jump start device for motor vehicle

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Experimental program
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Embodiment Construction

[0026] figure 1 The topology of an onboard electrical system of a motor vehicle with a first onboard subsystem (ie basic onboard electrical system ( 1 )) with a voltage level of 14 volts is shown schematically. The basic vehicle electrical system has a generator ( 4 ) driven by the internal combustion engine, which is supplied with electric power to the consumer ( 6 ) and in particular to a control unit such as the engine control unit ( 7 ) and which, during driving operation, supplies a first electrical storage unit. The energy device (5) is charged. The first electrical energy store is referred to as the vehicle electrical system battery. The motor vehicle has a second on-board subsystem, ie, a supplementary starter onboard electrical system ( 2 ), with a second electrical energy store ( 9 ), referred to as a supplementary starter battery. The supplemental starter battery supplies electric power to the starter (8) of the vehicle in order to start the internal combustion en...

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Abstract

A jump-starting arrangement is provided for a motor vehicle, wherein the motor vehicle has an engine control unit and a starter for an internal-combustion engine. The motor vehicle is equipped with at least two partial onboard power systems, which are mutually coupled by way of at least one electric separator element. Each partial onboard power system, respectively, is equipped with at least one rechargeable electric energy accumulator. The two partial onboard power systems each have a jump-starting base, and the respective jump-starting bases are galvanically separated from one another.

Description

technical field [0001] The invention relates to an external starter for a motor vehicle, wherein the motor vehicle has an engine control unit and a starter for an internal combustion engine, the motor vehicle is equipped with at least two on-board subsystems, which are connected via at least one electric The isolating elements are coupled to one another, and each onboard subsystem is equipped with at least one rechargeable electrical energy store. Background technique [0002] Usually, the on-board electrical system of a motor vehicle is equipped with a starter battery in order to start the engine by means of a starter and to supply electric power to consumers via a generator if the electric power is not sufficient. Therefore, the task of the starter battery goes beyond the simple starting of the engine, so that the starter battery is called the SLI battery or the on-board grid battery for starting (starting), lighting (lighting) and ignition (ignition) in vehicle developmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02N11/14F02N11/08
CPCF02N11/14F02N11/0866H02J7/0054B60L1/00B60L3/0046B60L15/2072B60L50/15B60L2260/22B60L2260/26Y02T10/64Y02T10/70Y02T10/7072Y02T10/72H02J7/342
Inventor H·普罗布斯特尔H·维特
Owner BAYERISCHE MOTOREN WERKE AG
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