Variable injection hole type fuel injection nozzle

Details Variable injection hole type fuel injection nozzle Variable injection hole type fuel injection nozzle

1995-11-14

1997-07-08

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395811, F02M 6118

Patent

active

056452250

ABSTRACT:
A plurality of injection holes are circumferentially arranged in the peripheral wall of the hole at predetermined intervals and at axially different circumferential levels in the leading end portion of the nozzle body to introduce pressurized fuel, and the injection holes at each circumferential level are set different in diameter. On the other hand, a rotary valve has a plurality of fuel guide holes each corresponding to the injection holes at the respective circumferential levels. The fuel guide holes of the rotary valve and the injection holes of the nozzle body are arranged in such a relationship that while the fuel guide holes at one or more than one circumferential level are each made to communicate with the fuel guide holes at one or more than one corresponding circumferential level, the fuel guide holes at the other circumferential levels are not allowed to communicate with any injection holes.

REFERENCES:
patent: 1833080 (1931-11-01), Kenworthy
patent: 2003814 (1935-06-01), Taylor
patent: 2288012 (1942-06-01), Mongan
Patent Abstracts of Japan, vol. 10, No. 130 (M-478), 14 May 1986 & JP-A-60 256555, Dec. 1985.
Patent Abstracts of Japan, vol. 8, No. 201, (M-325), 14 Sep. 1984 & JP-A-59 090765, May 1984.
Patent Abstracts of Japan, vol. 11, No. 155 (M-589), 10 May 1987 & JP-A-61 286577, Dec. 1986.

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