Method and device for supplying internal combustion engines...

Details Method and device for supplying internal combustion engines... Method and device for supplying internal combustion engines...

2007-06-22

2008-10-21

Miller, Carl S (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S516000

Reexamination Certificate

active

07438051

ABSTRACT:
A method and a device for supplying fuel to internal combustion engines comprise a regulated high-pressure system and a controlled low-pressure system, wherein an adaptation value for correcting the desired preliminary pressure is detected in an adaptation mode, in order to adjust a variable preliminary pressure in the low-pressure system. For this purpose, the preliminary pressure is specifically changed in the adaptation mode until vapor bubbles are detected by a regulator response of the high-pressure regulator of the high-pressure system. When vapor bubbles are detected, current process parameters of the fuel supply system are determined and the adaptation value is derived therefrom.

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