Apparatus for operating an internal combustion engine with vario

Details Apparatus for operating an internal combustion engine with vario Apparatus for operating an internal combustion engine with vario

1995-12-22

1998-05-26

Solis, Erick R.

Internal-combustion engines

Charge forming device

Combined liquid and gaseous fuel

123575, F02M 2102

Patent

active

057552118

ABSTRACT:
An apparatus for operating an internal combustion engine, in particular for driving a motor vehicle, alternatingly with two different types of fuel, includes two separate fuel circuits each being associated with a respective one of first and second different types of fuel. Each of the fuel circuits has at least one electrically triggerable metering device in the form of an injection valve. A switch device switches over from one of the fuel circuits to the other of the fuel circuits. A single electronic control unit controls both operation of the engine with the first type of fuel and operation of the engine with the second type of fuel. The electronic control has a power portion with end stages for triggering the injection valves. Each of the end stages is assigned both one injection valve for the first fuel type and one injection valve for the second fuel type.

REFERENCES:
patent: 4936280 (1990-06-01), Langlois
patent: 5092305 (1992-03-01), King
patent: 5228423 (1993-07-01), Oikawa et al.
patent: 5370097 (1994-12-01), Davis
patent: 5450832 (1995-09-01), Graf
patent: 5526797 (1996-06-01), Stokes
patent: 5549083 (1996-08-01), Feuling
patent: 5592924 (1997-01-01), Audisio et al.
Japanese Patent Abstract No. 57110737 (Kouzaburou), dated Sep. 7, 1982.

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