Self-igniting reciprocating internal combustion engine

Details Self-igniting reciprocating internal combustion engine Self-igniting reciprocating internal combustion engine

1992-08-19

1993-09-14

Nelli, Raymond A.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

F02B 300

Patent

active

052439402

ABSTRACT:
A self-igniting reciprocating internal combustion engine 10 comprises at least one cylinder 11, whith has a main combustion chamber 19, at least one ignition chamber 20, which is associated with each cylinder 11 and has a volume which is smaller than the volume of that main combustion chamber and which communicates with said main combustion chamber 19 through a flash passage 21, and a controlled-capacity fuel injection pump 17 for injecting fuel through a fuel injector 16 into the main combustion chamber 19. In reciprocating internal combustion engines having two fuel injectors for each cylinder, one ignition prechamber associated with each cylinder 11 is provided with a separate fuel injector for injecting fuel supplied by a fixed-capacity fuel injection pump 23. In reciprocating internal combustion engines having only one fuel injector for each cylinder, one injection chamber 20 associated with each cylinder 11 is provided with a glow-ignition means, which consists of, e.g. of a heater coil that is continuously electrically energizable, and/or an igniting pin, which is made of temperature-resistant and heat-storing material, projecting into the middle region of the ignition prechamber.

REFERENCES:
patent: 4217871 (1980-08-01), Ohashi et al.
patent: 4368702 (1983-01-01), Finsterwalder et al.
patent: 5050550 (1991-09-01), Gao

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