Fuel supply system for engines with fuel pressure control

Details Fuel supply system for engines with fuel pressure control Fuel supply system for engines with fuel pressure control

1995-12-22

1997-12-23

Miller, Carl S.

Internal-combustion engines

Charge forming device

With fuel pump

123516, F02M 3704

Patent

active

056997728

ABSTRACT:
In a fuel supply system of an internal combustion engine, an actual fuel pressure Pf is measured by a differential pressure sensor and the actual fuel pressure Pf is averaged in a different degree to determine two kinds of values Pfs and Pft. The value Pfs is used to control the fuel pressure, while the value Pft is used to correct a pulse width. Then, a correction value Vfpci is determined according to the load applied to the engine and used in a feedback control to adjust a fuel discharge pressure of a fuel pump.

REFERENCES:
patent: 4982331 (1991-01-01), Miyazaki
patent: 5044344 (1991-09-01), Tuckey et al.
patent: 5085193 (1992-02-01), Mirokawa
patent: 5148792 (1992-09-01), Tuckey
patent: 5156134 (1992-10-01), Tochizawa
patent: 5275145 (1994-01-01), Tuckey
patent: 5359976 (1994-11-01), Nakashimia
patent: 5373829 (1994-12-01), Schuers
patent: 5379741 (1995-01-01), Matysiewicz
patent: 5406922 (1995-04-01), Tuckey
patent: 5426971 (1995-06-01), Glidewell
patent: 5483940 (1996-01-01), Namba

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