Apparatus for distribution of fuel from an injection nozzle with

Details Apparatus for distribution of fuel from an injection nozzle with Apparatus for distribution of fuel from an injection nozzle with

1978-08-10

1982-07-13

Lall, P. S.

Internal-combustion engines

Precombustion and main combustion chambers in series

Piston carried precombustion chamber

123193P, 123193CP, 123294, 123283, F02B 300

Patent

active

043388981

ABSTRACT:
In an air compressing, internal combustion engine with direct fuel injection, a rotation-symmetrical combustion chamber is positioned in a piston. Combustion air circulates around the longitudinal axis of the combustion chamber at the moment of fuel injection. An injection nozzle is provided from which the fuel is injected in at least two fuel jets into the combustion chamber. The engagement points of the fuel jets on the circumferential wall of the combustion chamber are evenly distributed over said wall. In addition, the engagement points are in different planes disposed normal to the longitudinal axis of the combustion chamber while being spaced from each end thereof. In one embodiment, the injection nozzle is coaxially disposed and emits three fuel jets, the engagement points of which are located in different planes evenly spaced from one another. In another embodiment the injection nozzle is offset with respect to the axis of the combustion chamber with the fuel jets being of substantially equal length. In a further embodiment, at least four fuel jets are emitted from a coaxially disposed injection nozzle with the engagement points of oppositely arranged pairs of fuel jets being in the same plane.

REFERENCES:
patent: 1498273 (1924-06-01), Hesselman
patent: 2125293 (1938-08-01), Hesselman
patent: 2290212 (1942-07-01), Schweitzer
patent: 2292409 (1942-08-01), Steward
patent: 2803229 (1957-08-01), Schwaiger
patent: 3872841 (1975-03-01), Kimbara et al.

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