Internal combustion engine with methane injection system

Details Internal combustion engine with methane injection system Internal combustion engine with methane injection system

1996-03-05

1997-09-16

Solis, Erick R.

Internal-combustion engines

Charge forming device

Combined liquid and gaseous fuel

123575, 123 27GE, F02M 2102

Patent

active

056669267

ABSTRACT:
An internal combustion engine is provided with a methane feed system including a plurality of methane injection devices respectively associated with the various cylinders of the engine. The methane injection devices are mounted within respective seats communicating with a distributing conduit or rail for feeding methane. The seats for the injection devices in the rail are formed in an auxiliary body separate from the intake manifold and the head of the engine. An electronic control unit provides for the control of the injection devices on the basis of signals indicative of the parameters of operation of the engine so as to carry out the methane injection at each cylinder when the rotational speed of the engine is lower than a predetermined threshold when the intake valve of the cylinder is open.

REFERENCES:
patent: 5228423 (1993-07-01), Oitawa
patent: 5325838 (1994-07-01), Bennett
patent: 5329908 (1994-07-01), Tarr et al.
patent: 5373824 (1994-12-01), Peters et al.
patent: 5377645 (1995-01-01), Moore
patent: 5487362 (1996-01-01), Welleu et al.
patent: 5522369 (1996-06-01), Povinger
patent: 5526797 (1996-06-01), Stokes

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