Dual fuel control and supply system for internal combustion engi

Details Dual fuel control and supply system for internal combustion engi Dual fuel control and supply system for internal combustion engi

1984-07-25

1986-08-19

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Diverse fuel supply

123458, 123494, 123514, 25112909, F02M 3900

Patent

active

046063226

ABSTRACT:
An electrically controllable dual fuel system for an internal combustion engine (such as, but not necessarily confined to, a diesel engine) having a liquid fuel injection system incorporating an injector pump for delivering prescribed quantities of a principal liquid fuel (e.g. diesel oil) under pressure to individual injectors for the engine cylinders comprising an electronic control unit, an electrically controllable variable flow regulator arranged to receive a combustible alternative fuel (e.g. a gas such as CNG or LPG) under pressure and deliver controlled quantities of the alternative fuel to the engine as determined by signals received by and transmitted from said electronic control unit, by-pass bleed means for bleeding fuel from the principal fuel injection system at the output side of the injector pump and before the injectors and by-passing the bled fuel to a by-pass control system which includes pressure or flow actuated means for measuring the quantity of fuel bled from the injection system and supplying a corresponding signal to the control unit.

REFERENCES:
patent: 1395203 (1921-10-01), Olsen
patent: 3190608 (1965-06-01), Hassa
patent: 3949713 (1976-04-01), Rivere
patent: 4260333 (1981-04-01), Schillinoer
patent: 4361309 (1982-11-01), Sogabe
patent: 4495930 (1985-01-01), Narajima

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