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Fuel-operated vehicle heating device and method for operating a fuel-operated vehicle heating device

A technology for vehicle heaters and fuels, applied in the direction of combustion methods, fuel supply adjustment, vehicle components, etc., to achieve the effects of improving exhaust emission values, improving comfort, and improving odor interference

Active Publication Date: 2019-07-16
WEBASTO AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in the inability to restart fuel-operated vehicle heaters during the shutdown phase

Method used

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  • Fuel-operated vehicle heating device and method for operating a fuel-operated vehicle heating device
  • Fuel-operated vehicle heating device and method for operating a fuel-operated vehicle heating device
  • Fuel-operated vehicle heating device and method for operating a fuel-operated vehicle heating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] figure 1 A flow chart of a method 100 for operating a fuel-operated vehicle heater is shown. The illustrated method 100 starts, for example, in normal operation 110 . Proceeding from this, it is checked in step 120 whether a switch-off signal has been received. This can be done, for example, in a controller of a fuel-operated vehicle heater. If no shutdown signal is received, "No" in step 120, normal operation remains. Conversely, if a switch-off signal is received, step 120 "Yes", the switch-off phase is started, and in a subsequent step 130 it is checked whether the switch-off phase has ended. The shutdown phase can also be controlled by the controller. During the shut-off phase, the residual fuel still present in the burner of the fuel-operated vehicle heater, ie to be disposed of, can be burnt in a controlled manner. If the shutdown phase is over, step 130 is YES, then the fuel-operated vehicle heater is switched off in step 140 . Conversely, if the shutdown p...

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PUM

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Abstract

The invention relates to a method (100) for operating a fuel-operated vehicle heating device (10), wherein, after the receipt of a switch-off signal (34), a switch-off phase is initiated by a controlunit (16) of the fuel-operated vehicle heating device (10), during which switch-off phase residual fuel still present in the fuel-operated vehicle heating device (10) is burned, and wherein, after thereceipt of a switch-on signal (36) during the switch-on phase, a switch-back-on phase is initiated by the control device (16) without the switch-off phase being concluded after complete burning of the present residual fuel. The invention further relates to a fuel-operated vehicle heating device (10) having a control unit (16) that is designed for carrying out the method (100).

Description

technical field [0001] The invention relates to a fuel-operated vehicle heater and a method for operating such a vehicle heater. Background technique [0002] A method for operating a fuel-operated vehicle heater is described, wherein after receiving a switch-off signal, a control unit of the fuel-operated vehicle heater initiates a switch-off phase during which the fuel is still running The residual fuel to be disposed of in the running vehicle heater is combusted, and wherein the restart phase is started by the controller after receiving a start signal during the shut-off phase without ending the shut-off phase after complete combustion of the residual fuel to be disposed of . In this way, after switching off the fuel-operated vehicle heater, ie after receiving a switch-off signal that initiates the switch-off phase, the time period until the desired heating output of the fuel-operated vehicle heater after restarting is again reached can be shortened. Usually, the shutdo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23N1/02F23N5/18
CPCF23N1/022F23N2241/14B60H1/2206F23N2239/06B60H1/032B60H1/036B60H2001/2231B60H2001/224B60H2001/2243B60H2001/2262B60H2001/2281B60H2001/2284F23N5/24
Inventor A·鲁奇克J·威廉A·罗姆博尔德
Owner WEBASTO AG
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