Method for operating a fuel-driven heating device for a motor vehicle in the start phase
The method involves operating a fuel supply arrangement (26) e.g. dosing pump, and a combustion air supply arrangement (30) for producing a combustion air/fuel-mixture in an area of a combustion chamber (16). An electrically-excitable ignition device (36) e.g. glow plug, is excited by applying a clo...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The method involves operating a fuel supply arrangement (26) e.g. dosing pump, and a combustion air supply arrangement (30) for producing a combustion air/fuel-mixture in an area of a combustion chamber (16). An electrically-excitable ignition device (36) e.g. glow plug, is excited by applying a clocked voltage for adjusting a predetermined reference-output of the ignition device. A flow rate of the combustion air supply device is reduced when a duty-cycle of the clocked voltage reaches a predetermined limit. |
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