Device and method for determining pressure fluctuations in a...

Details Device and method for determining pressure fluctuations in a... Device and method for determining pressure fluctuations in a...

2007-05-01

2007-05-01

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S456000

Reexamination Certificate

active

11281712

ABSTRACT:
A device and a method for determining pressure fluctuations in a fuel supply system provide two signal filters to enable determining as much information about pressure fluctuations as possible with minimal sensor use. A sensor signal which is characteristic of a pressure in the area of a fuel injector is filtered using the two filters, which have filter characteristics that differ from one another.

REFERENCES:
patent: 5803047 (1998-09-01), Rask
patent: 5848583 (1998-12-01), Smith et al.
patent: 6138638 (2000-10-01), Morikawa
patent: 102 17 592 (2002-04-01), None

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