Central injection device for internal combustion engines

Details Central injection device for internal combustion engines Central injection device for internal combustion engines

1982-09-29

1984-10-02

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Rotating

261 89, F02M 2902

Patent

active

044747128

ABSTRACT:
The annulus (20) around the fuel feed stud (8) which seals the rotor (14) of this central injection device is connected to a stowage compartment (40) for intake air by way of a ball bearing (7). In the case of the impeller (31, 35) driven rotor (14), the stowage air pressure counteracts the leakage fuel pressure in the annulus (20). By adapting the width of the opening of the stowage compartment (40), the stowage air pressure is adjusted to be equal to or slightly higher than the leakage fuel pressure, so that no fuel can flow out of the annulus (20). To enrich the fuel of the air-fuel mixture in the higher load range, a width of opening of the stowage compartment (40) is provided where the stowage air pressure at the corresponding RPM's becomes smaller than the leakage fuel pressure and the rotor (14) delivers additional fuel. A ventilating passage (42) connects the stowage compartment (40) with the annulus (33) which conducts the fuel discharged from the fuel outlet opening (16) to the spray ring (35) below the blades (38). This ventilation ensures an undisturbed fuel delivery into the annulus (33). This injection device produces an air-fuel mixture in which the toxic constituents in the exhaust lie uniformly below the limit values and there are no high peak values for the toxic constituents.

REFERENCES:
patent: 4187264 (1980-02-01), Diener
patent: 4207274 (1980-06-01), Phillips
patent: 4283358 (1981-08-01), Diener

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