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Method for operating hybrid vehicle and corresponding driving device

A technology of hybrid electric vehicles and driving devices, which is applied in the direction of hybrid electric vehicles, power devices, pneumatic power devices, etc.

Active Publication Date: 2011-01-26
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known control device of a hybrid vehicle thus prevents a purely electric start when the internal combustion engine is cold

Method used

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  • Method for operating hybrid vehicle and corresponding driving device
  • Method for operating hybrid vehicle and corresponding driving device

Examples

Experimental program
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Embodiment Construction

[0020] The drawing shows a drive device 1 for operating a hybrid vehicle (not shown in detail). The drive 1 is designed as a parallel mixer 2 . It has two different powerplants 3 and 4 and also has a transmission 5, a differential 6 and drive wheels 7 for driving the hybrid vehicle.

[0021] The drive unit 3 is designed as an internal combustion engine 8 which has a catalytic converter 9 in its exhaust system (not shown in detail). The drive unit 4 is designed as an electric motor 10 . A separating clutch 11 is connected between the internal combustion engine 8 and the electric machine 10 ; a starting clutch 12 is provided between the electric machine 10 and the transmission 5 . Furthermore, the hybrid vehicle has a control device 13, in particular in the form of an electronic controller, which controls and / or regulates the operation of the internal combustion engine 8, the electric machine 10, the separating clutch 11 and the starting clutch 12, and possibly other component...

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PUM

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Abstract

The invention relates to a method for operating a hybrid vehicle. The vehicle is provided with a driving device (1) with at least two different power devices (3, 4), wherein at least one motor (10) and at least one internal combustion engine (8) with a catalyst (9) can be used as the power devices (3, 4) and operated. According to the design, when the cold internal combustion engine (8) is initially started, the hybrid vehicle is at least electrically started; before starting, the internal combustion engine (8) is started simultaneously or thereafter and operated in internal combustion operation separated from the electric operation of the motor (10) to heat the catalyst (9). Moreover, the invention also relates to the corresponding driving device (1).

Description

technical field [0001] The invention relates to a method for operating a hybrid vehicle having a drive with at least two different drive units, wherein at least one electric machine and at least one internal combustion engine with a catalytic converter can be operated as drive units. The drive unit has at least one electric machine and at least one internal combustion engine as power units, wherein the hybrid vehicle can be operated with only the electric machine, only with the internal combustion engine, or with both the electric machine and the internal combustion engine, depending on the operating conditions. [0002] These different possibilities are appreciated at the outset through the representations. technical background [0003] For common automobiles, this automobile only has an internal combustion engine (also referred to as an internal combustion engine), and the internal combustion engine is started as a drag start when starting for the first time, that is, when...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W20/00B60W10/06B60W10/08B60W10/02B60K6/24B60K6/48B60W30/18
CPCY02T10/54B60W10/06B60W20/1082B60W2710/0666B60W2710/065B60K6/48B60W10/02B60W30/194Y02T10/6221B60W20/00B60W20/16Y02T10/40Y02T10/62
Inventor F·斯特尔纳格尔P·德布尔L·乔克
Owner ROBERT BOSCH GMBH
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