Fuel injection nozzle with edge filter

Details Fuel injection nozzle with edge filter Fuel injection nozzle with edge filter

1980-02-19

1982-01-26

Reeves, Robert B.

Fluid sprinkling, spraying, and diffusing

Injection nozzle having capillary type feed passages

F02M 4902

Patent

active

043124798

ABSTRACT:
An edge filter for a fuel injection nozzle is provided with an improved connection to the stem of the nozzle. The connection comprises opposed cylindrical guide sectors on the filter having axial knurls that extend less than the full length of the guide sectors thereon. The knurls, which are case hardened, provide secure interference interengagement with the softer counterbore of the nozzle's fuel inlet stem. The guide sectors advantageously provide an edge filtering function as well as a guiding function.

REFERENCES:
patent: 1964218 (1934-06-01), Schargorodsky
patent: 2067131 (1937-01-01), Schlaupitz
patent: 3224684 (1965-12-01), Roosa
patent: 3395934 (1968-08-01), Rosan et al.
patent: 3499605 (1970-03-01), Dreisin
patent: 3829014 (1974-08-01), Davis et al.

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