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Method for heating exhaust gas purification device, exhaust gas purification system and motor vehicle

A technology of exhaust gas purification device and exhaust gas purification system, which is applied in the direction of electric control of exhaust gas treatment device, diagnostic device of exhaust gas treatment device, exhaust device, etc., which can solve the problems of increased current consumption and increased battery load, etc., and achieve Simple Devices, Precise Thermal Energy Requirements, Effects in Favorable Ways

Pending Publication Date: 2019-09-03
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Exhaust gas purification devices of this type have the disadvantage that the electrical heating elements cause an increased power consumption and therefore especially increase the load on the battery of the motor vehicle.

Method used

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  • Method for heating exhaust gas purification device, exhaust gas purification system and motor vehicle
  • Method for heating exhaust gas purification device, exhaust gas purification system and motor vehicle
  • Method for heating exhaust gas purification device, exhaust gas purification system and motor vehicle

Examples

Experimental program
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Embodiment Construction

[0041] exist figure 1 A side view of a preferred embodiment of the exhaust gas purification system 14 according to the invention is schematically shown in . The exhaust gas purification system 14 is arranged on the exhaust gas line 3 of the internal combustion engine 4 . The first exhaust gas purification device 1 of the exhaust gas purification system 14 is arranged in front of the second exhaust gas purification device 2 of the exhaust gas purification system 14 in the exhaust gas direction A of the exhaust gas line 3 . The first exhaust gas purification device 1 is designed as a catalytic converter 12 and optionally has a first temperature measuring device 6 for measuring a first actual temperature of the first exhaust gas purification device 1 and a first temperature measuring device 1 for measuring the first actual temperature of the first exhaust gas purification device 1 Optional first pressure measuring device 10 for actual pressure. The second exhaust gas cleaning d...

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Abstract

The invention relates to a method for heating a first exhaust gas purification device (1) and a second exhaust gas purification device (2) of an exhaust pipeline (3) of an internal combustion engine (4) of a motor vehicle (5). The method has the following steps: determining a first actual temperature of the first exhaust gas purification device (1) and a second actual temperature of the second exhaust gas purification device (2), determining a first setpoint temperature of the first exhaust gas purification device (1) and a second setpoint temperature of the second exhaust gas purification device (2) by means of a heating coordination device (8), determining a first heat demand of the first exhaust gas purification device (1) and a second heat demand of the second exhaust gas purificationdevice (2) by means of the heating coordination device (8), creating a heating specification for the first exhaust gas purification device (1) and for the second exhaust gas purification device (2), relaying the heating specification to an engine control device (9) of the motor vehicle (5), and controlling the internal combustion engine (4) by means of the engine control device (9) as a function of the heating specification. Furthermore, the invention relates to an exhaust gas purification system (14) and a motor vehicle (5).

Description

technical field [0001] The invention relates to a method for heating a first exhaust gas purification device and a second exhaust gas purification device of an exhaust gas line of an internal combustion engine of a motor vehicle. Furthermore, the invention provides an exhaust gas purification system for purifying the exhaust gas of an exhaust gas line of an internal combustion engine of a motor vehicle and a motor vehicle with the exhaust gas purification system. Background technique [0002] Modern motor vehicles have at least one exhaust gas purification device for cleaning the exhaust gas of the exhaust gas line of the internal combustion engine of the motor vehicle. Exhaust gas purification devices exist which have a temperature range in which exhaust gas purification is only possible or the efficiency of exhaust gas purification is particularly high. Additional exhaust gas purification devices periodically require temperature peaks in order, for example, to burn off fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N9/00F01N3/20F01N3/023
CPCF01N9/00F01N9/002F01N3/2006F01N3/023F01N2900/1602F02D41/0245F02D41/029F02D41/1401F02D41/1448F02D41/2416F02D41/266F02D2041/1418F02D2200/0802F02D2200/0812F01N2560/06F01N13/009Y02A50/20Y02T10/12Y02T10/40F01N11/002F01N2560/08F01N3/035F01N2900/0416F01N2900/1406
Inventor U.施罗德C.迪尔施克J.福斯特D.莱内韦伯M.托姆福德
Owner VOLKSWAGEN AG
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