Fuel-supply system for internal combustion engines

Details Fuel-supply system for internal combustion engines Fuel-supply system for internal combustion engines

1995-09-18

1996-10-01

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

055603408

ABSTRACT:
An electronically controlled fuel-supply system for an internal combustion engine, comprises a fuel tank, a fuel pump mounted in the fuel tank, a fuel-injection valve delivering fuel of a fuel-supply amount, based on its valve opening time period, to an engine cylinder, a pressure regulator mounted in the fuel tank and responsive to a first pressure difference between a fuel pressure of fuel pumped and a reference pressure, for regulating the first pressure difference at a predetermined value, an internal-pressure sensor for detecting an internal pressure in the fuel tank, and a boost-pressure sensor for detecting a boost pressure acting on an open end of a nozzle of the fuel-injection valve. The pressure regulator uses the internal pressure as the reference pressure. A control unit is provided for correcting the valve opening time period in accordance with a second pressure difference between the internal pressure and the boost pressure.

REFERENCES:
patent: 4336782 (1982-06-01), Endo et al.
patent: 4513728 (1985-04-01), Ullman et al.
patent: 5150690 (1992-09-01), Carter et al.
patent: 5218941 (1993-06-01), Suzuki et al.
patent: 5377645 (1995-01-01), Moore
patent: 5379740 (1995-01-01), Moore et al.
patent: 5462031 (1995-10-01), Kai
patent: 5463998 (1995-11-01), Denz et al.

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