Fuel injection control method for fuel injection pump

Details Fuel injection control method for fuel injection pump Fuel injection control method for fuel injection pump

1987-06-18

1988-11-08

Miller, Carl Stuart

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123506, F02M 3900

Patent

active

047828030

ABSTRACT:
A fuel injection control method for a fuel injection pump having a high pressure chamber in which fuel is pressurized, a low pressure chamber, a communicating passageway connected to the high pressure chamber and the low pressure chamber, and a solenoid valve for selectively opening and closing the communicating passageway. While fuel is pressurized, the solenoid valve is selectively closed and opened, so that the pilot injection and subsequently main injection are carried out. A starting time and a terminating time of pilot injection are determined depending on operating conditions of said engine, and main injection of fuel is started when a predetermined period of time elapses from the terminating time of the pilot injection.

REFERENCES:
patent: 4530337 (1985-07-01), Laufer
patent: 4542725 (1985-09-01), Yasuhara
patent: 4708116 (1987-11-01), Gaa

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