Assist-air type fuel injection method and device for internal co

Details Assist-air type fuel injection method and device for internal co Assist-air type fuel injection method and device for internal co

1993-01-19

1994-10-18

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123585, F02M 2312, F02M 5102

Patent

active

053558588

ABSTRACT:
In an assist-air type fuel injection device for an internal combustion engine in which an assist-air for atomizing fuel is supplied toward an injected fuel on the lower stream of a nozzle hole of a fuel injection valve, a pressure detection part for detecting a pressure of the above assist-air is provided at the fuel injection valve, and the pressure of the assist-air detected at the above pressure detection part is supplied as a signal pressure to a pressure regulator for regulating a fuel supply pressure to the fuel injection valve. Without being affected by the assist-air pressure, a fuel flow rate can be stabilized, whereby control accuracy of the fuel injection amount can be maintained favorably.

REFERENCES:
patent: 5156133 (1992-10-01), Sugimoto et al.

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